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Glyn W Humphreys was born in 1954. He is currently Professor of cognitive Psychology at Birmingham University, Birmingham, England.


His main interests lie in visual cognition, particularly visual attention, shape and object recognition, and the linkage between perception and action.

In recent years with access to improved imaging facilities he has been a leading figure in the field of visual brain mapping, relating cognitive models to brain activity using PET and functional MRI scanning

See alsoEdit

PublicationsEdit

BooksEdit

Book ChaptersEdit

  • Rumiati, R. I. & Humphreys, G. W. (2002). What Errors Say About Actions And Objects: Evidence For The Operation Of Dissociated Routes To Actions In Normal Observers. In S. Jackson (Ed.), Vision And Action. London: Taylor-Francis.
  • Watson, D. G., Humphreys, G. W. & Olivers, C. (In Press) Visual Search Across Space And Time. In C. Kaernbach, E. Schroeger & H. J. Muller (Eds)., Temporal Aspects Of Visual Processing. Hillsdale, N. J.: Erlbaum.
  • Humphreys, G. W., Forde, E. M. E. & Riddoch, M. J. (2001) The neuropsychology of everyday actions. In B. Rapp (E d.), The handbook of cognitive neuropsychology. Cambridge, Mass: MIT Press.
  • Humphreys, G. W. & Riddoch, M. J. (2001). The neuropsychology of visual object and space perception. In B. Goldstein (Ed.), The Blackwell handbook of perception. Oxford: Blackwells.
  • Riddoch, M. J. & Humphreys, G. W. (2001). The neuropsychology of object recognition. In B. Rapp (Ed.), The handbook of cognitive neuropsychology. Cambridge, Mass: MIT Press.
  • Humphreys, G. W., Forde, E. M. E. & Francis, D. (2000). The sequential organisation of action. In S. Monsell & J. Driver (Eds.), Attention and Performance XVIII. Cambridge, Mass.: MIT Press.
  • Humphreys, G. W. Riddoch, M. J. & Price, C. J. (2000). On the naming of objects. In L. Wheeldon (Ed.), Speech Processes. London: Psychology Press.
  • Mechelli, A., Humphreys, G. W., Mayall, K. A., Olson, A. & Price, C. J. (2000) The modulation of local and global processing in word recognition: An imaging study. Philosophical Transactions of the Royal Society, 267, 1909-1913.
  • Riddoch, M. J., Humphreys, G. W. & Edwards, M. (2000). Visual affordances and object selection. In S. Monsell & J. Driver (Eds.), Attention and PerformanceXVIII. Cambridge, Mass.: MIT Press.
  • Heinke, D. & Humphreys, G. W. (1999) Modelling emergent processes in attention. In D. Heinke, G. W. Humphreys & A. Olson (Eds.). Connectionist models in cognitive neuroscience: The 5(th) neural computing and psychology workshop. London: Springer-Verlag.
  • Humphreys, G. W. (1999). Integrative agnosia. In G. W. Humphreys (Ed.), Case studies in the neuropsychology of vision. London: Psychology Press.
  • Humphreys, G. W. (1999). The neuropsychology of vision. In G. W. Humphreys (Ed.), Case studies in the neuropsychology of vision. London: Psychology Press.
  • Humphreys, G. W. (1999) The neural representation of objects in space: A dual coding account. In G. W. Humphreys, J. Duncan & A. Treisman (Eds)., Attention, space and action: studies in cognitive neuroscience. Oxford: Oxford University Press.
  • Humphreys, G. W., Duncan, J. & Treisman, A. (1999) Attention, space and action. In G. W. Humphreys, J. Duncan & A. Treisman (Eds.), Attention, space and action: Studies in cognitive neuroscience. Oxford: Oxford University Press.
  • Mayall, K. A., Humphreys, G. W. & Olson, A. (1999). Modelling early stages of word recognition: case and the peripheral dyslexias. In D. Heinke, G. W. Humphreys & A. Olson (Eds). Connectionist models in cognitive neuroscience: The 5th Neural computing and psycholgy workshop. London: Springer-Verlag.
  • Humphreys, G. W. (1998). Parallel forms of spatial representation for objects: Implications for visual attention. In K. Sagawa (Ed.), Selection and Integration of Visual Information. Tsukuba, Japan: Science and Technology Agency.
  • Humphreys, G. W., Gilchrist, I. & Free, L. (1996). Search and selection in human vision: Psychological evidence and computational implications. In W. H. Zangemeister, H. S. Stiehl & C. Freksa (Eds.), Visual Attention and Cognition. Amsterdam: North Holland.
  • Humphreys, G. W., Riddoch, M. J. & Wallesch, C.-W. (1996) Poppelreuter's case of Merk: The analysis of visual disturbances following a gunshot wound to the brain. In C. Code, C.-W. Wallesch & A.-R. Lecours (Eds.), Classic Cases in Neuropsychology. London: Erlbaum.
  • Humphreys, G. W. (1996). Neuropsychological aspects of visual attention and eye movements. In W. H. Zangemeister, H. S. Stiehl & C. Freksa (Eds.), Visual Attention and Cognition. Amsterdam: North Holland.
  • Humphreys, G. W., Olson, A., Romani, C. & Riddoch, M. J. (1996). Competitive mechanisms of selection by objects and space. In A. Kramer & N. Coles (Eds.), Converging Operations in the Study of Visual Selective Attention. Hillsdale, N. J.: Erlbaum.
  • Lawson, R. & Humphreys, G. W. (1996). The neuropsychology of visual object constancy. In V. Walsh & J. Kulikowski (Eds.), Perceptual Constancies: Why Things Look As They Do. Cambridge: Cambridge University Press.
  • Mayall, K. A. & Humphreys, G. W. (1996). Covert recognition in a connectionist model of pure alexia. In J. A. Reggia, E. Ruppin & R. Berndt (Eds.), Neural modelling of brain and cognitive disorders: Progress in Neural Networks. New York: World Scientific.
  • Muller, H. M., Humphreys, G. W. & Olson, A. C. (1996). SEarch via Recursive Rejection (SERR): Evidence with normal and neurological subjects. In R. Wright (Ed.), Visual Attention. Oxford: Oxford University Press.
  • Farah, M. J., Humphreys, G. W. & Rodman, H. R. (1998) Object and face recognitiion In J. M. Zigmand, F. E. Bloom, S. C. Landis, J. L. Roberts & L. R. Squire (Eds.), Fundamental Neuroscience. New York: Academic Press.
  • Humphreys, G. W. & Heinke, D. (1997). Selection for object identification: Modelling emergent attentional processes in normality and pathology. In J. A. Bullinaria, D. W. Glasspool & G. Houghton (Eds.), Connectionist Representations. London: Springer- Verlag.
  • Humphreys, G. W. (1997). Modelling and cognitive phenomena. In E. Fiesler & R. Beale (Eds)., Handbook of Neural Computation. Oxford: Oxford University Press.
  • Cartwright, R. & Humphreys, G. W. (1995). Learning, relearning and recall for two strengths of learning in neural networks 'aged' by simulated dendritic attrition. In L. S. Smith & P. J. B. Hancock (Eds.), Neural Computation and Psychology. Springer: London.
  • Humphreys, G. W. (1995) When paying attention is too costly. In R. Gregory et al. (Ed). The Artful Brain. Oxford: Oxford University Press.
  • Humphreys, G. W. & Bradbury, R. (1995). Understanding written language. In C. Hollin (Ed.), Contemporary Psychology: An Introduction. London: Wiley.
  • Riddoch, M. J. & Humphreys, G. W. (1995) Cognitive neuropsychology. In C. Hollin (Ed.) Contemporary Psychology: An Introduction. London: Wiley.
  • Humphreys, G. W. & Riddoch, M. J. (1995) The old town no longer looks the same: The effects of brain damage on the computation of visual similarity. In C. Cacciari (Ed.), Similarity in Language, Thought and Perception. San Marino: Brepols.
  • Riddoch, M. J. & Humphreys, G. W. (1995) 17+14=41? Three cases of working memory impairment. In R. Campbell & M. Conway (Eds.), Broken Memories. Oxford: Blackwells.
  • Smith, K. J. & Humphreys, G. W. (1995). Mechanisms of visual search: An implementation of guided search. In L. S. Smith & P. J. B. Hancock (Eds.), Neural Computation and Psychology. Springer: London.
  • Bruce, V. & Humphreys, G. W. (1994). Recognizing objects and faces. In V. Bruce & G. W. Humphreys(Eds.),Object and Face Recognition. London:Erlbaum.
  • Harris, M. G. & Humphreys, G. W. (1994) Computational theories of vision. In A. Colman (Ed.), The Encyclopedia of Psychology. London: Routledge.
  • Humphreys, G. W. & Riddoch, M. J. (1994) Neurological disturbances of vision: Approaches to assessment and treatment. In M. J. Riddoch & G. W. Humphreys (Eds.), Cognitive Neuropsychology and Cognitive Rehabilitation. London: Erlbaum.
  • Humphreys, G. W. (1994) The cognitive neuropsychology of vision: A hierarchical analysis of visual agnosia. In B. Weekes, C. Haslam, J. Ewing & U. Johns (Eds.), Cognitive Functioning in Health, Disease and Disorder. Academic Press: Sydney.
  • Humphreys, G. W., Riddoch, M. J., Donnelly, N., Freeman, T. A. C., Boucart, M. & Muller, H. M. (1994) Intermediate visual processing and visual agnosia. In M. J. Farah & G. Ratcliff (Eds.), The Neuropsychology of High-level Vision. Hillsdale, N. J.: Erlbaum.
  • Pilgrim, E. & Humphreys, G. W. (1994). Rehabilitation of a case of ideomotor apraxia. In M. J. Riddoch & G. W. Humphreys (Eds.) Cognitive Neuropsychology and Cognitive Rehabilitation. London: Erlbaum.
  • Riddoch, M. J. & Humphreys, G. W. (1994) Towards an understanding of unilateral neglect. In: M. J. Riddoch & G. W. Humphreys (Eds.). Cognitive Neuropsychology and Cognitive Rehabilitation. London: Erlbaum.
  • Riddoch, M. J. & Humphreys, G. W. (1994) Cognitive neuropsychology and cognitive rehabilitation: A marriage of equal partners? In M. J. Riddoch & G. W. Humphreys (Eds.), Cognitive Neuropsychology and Cognitive Rehabilitation. London: Erlbaum.
  • Rumiati, R. I., Humphreys, G. W., Riddoch, M. J. & Bateman, A. (1994). Visual object agnosia without prosopagnosia or alexia: Evidence for hierarchical theories of visual recognition. In V. Bruce & G. W. Humphreys (Eds.) Object and Face Recognition. London: Erlbaum.
  • Humphreys, G. W. (1993) Prospects for connectionism: Science and Engineering. In A. Sloman et al. (Eds.), Prospects for Artificial Intelligence. Amsterdam: IOS Press.
  • Humphreys, G. W. & Riddoch, M. J. (1993) Interactions between object and space vision revealed through neuropsychology. In D. E. Meyer & S. Kornblum (Eds.) Attention and Performance XIV. Hillsdale, N. J.: Erlbaum.
  • Humphreys, G. W. & Riddoch, M. J. (1993) Interactive attentional systems and unilateral visual neglect. In I. Robertson & J. C. Marshall (Eds.), Unilateral Neglect. London: Erlbaum.
  • Humphreys G. W. & Riddoch, M. J. (1993) Object agnosias. In C. Kennard (Ed.), Balliere's Clinical Neurology: Visual Perceptual Deficits. London: Balliere Tindall.
  • Humphreys, G. W., Troscianko, T., Riddoch, M. J. Boucart, M., Donnelly, N. & Harding, G. (1992) Covert processing in different visual recognition systems. In D. Milner & M. Rugg (Eds.), The Neuropsychology of Consciousness. London: Academic Press.
  • Humphreys, G. W. Riddoch, M. J. & Boucart, M. (1992) The breakdown approach to visual perception. In G. W. Humphreys (Ed.), Understanding Vision. Oxford: Blackwells.
  • Mayall, K. A. & Humphreys, G. W. (1992). A connectionist model of pure alexia. In I. Aleksander & J. Taylor (Eds.), Artificial Neural Networks 2. Amsterdam: Elsevier Science.
  • Muller, H. & Humphreys, G. W. (1992) A connectionist model of visual search. In D. Brodie (Ed.), The Second International Conference on Visual Search. London: Taylor Francis.
  • Riddoch, M. J. & Humphreys, G. W. (1991) The smiling giraffe: An illustration of a visual memory disorder. In R. Campbell (Ed.), Mental Lives: Case Studies in Cognition. Oxford: Basil Blackwells.ISBN 0631175059
  • Humphreys, G. W. (1991). Interactive attentional systems. In H. Whitaker (Ed.), TENET. New York: Academic Press.
  • Manso de Zuniga, C., Evett, L. J. & Humphreys, G. W. (1991) Reading by type and by hand: The effects of typography on visual word recognition. In D. Besner & G. W. Humphreys (Eds.), Current Issues in Word Recognition. Hillsdale, N. J.: Erlbaum.
  • Humphreys, G. W. (1989) Parallel distributed processing and psychology. In R. G. M. Morris (Ed.), Parallel Distributed Processing: Implications for Psychology and Neuroscience. Oxford: Blackwells.
  • Muller, H., Humphreys, G. W., Quinlan, P. T. & Riddoch, M. J. (1989) Combined-feature processing in the form domain. In D. Brodie (Ed.), The First International Conference on Visual Search. London: Taylor Francis.
  • Riddoch, M. J. & Humphreys, G. W. (1989) Finding the way around topographical agnosia. In J. W. Brown (Ed.), The Neuropsychology of Visual Perception. New York: ORBN Press.
  • Riddoch, M. J. & Humphreys, G. W. (1988) Visual agnosia: Anatomical and functional accounts. In C. Kennard & F. Clifford-Rose (Eds.), Physiological Aspects of Clinical Neuro-ophthalmology: The Mansell-Bequest Symposium. London: Churchill-Livingstone.
  • Humphreys, G. W., Evett, L. J., Quinlan, P. T. & Besner, D. (1987) Orthographic priming: Boundary conditions and implications for early processes in word recognition. In M. Coltheart (Ed.), Attention and Performance XII. London: Erlbaum.
  • Humphreys, G. W. & Quinlan, P. T. (1987) Normal and pathological processes in visual object constancy. In Humphreys, G. W. & Riddoch, M. J. (Eds.), Visual Object Processing: A Cognitive Neuropsychological Approach. London: Erlbaum.
  • Humphreys, G. W. & Riddoch, M. J. (1987) Cognitive neuropsychology and visual object processing. In G. W. Humphreys & M. J. Riddoch (Eds.), Visual Object Processing: A Cognitive Neuropsychological Approach. London: Erlbaum.
  • Humphreys, G. W. & Riddoch, M. J. (1987) The fractionation of agnosia. In G. W. Humphreys & M. J. Riddoch (Eds.), Visual Object Processing: A Cognitive Neuropsychological Approach. London:Erlbaum.
  • Riddoch, M. J. & Humphreys, G. W. (1987) Perceptual and action systems in unilateral neglect. In M. Jeannerod (Ed.), Neurophysiological and Neuropsychological Aspects of Spatial Neglect. Amsterdam: Elsevier Science.
  • Riddoch, M. J. & Humphreys, G. W. (1987) Picture naming. In G. W. Humphreys & M. J. Riddoch (Eds.), Visual Object Processing: A Cognitive Neuropsychological Approach. London: Erlbaum.
  • Humphreys, G. W. (1987) Objects, words, brains and computers: Framing the correspondence problem in object and word recognition. Bulletin of the British Psychological Society, 40, 207-210.
  • Humphreys, G. W. (1985) Attention, automaticity and autonomy in visual word processing. In D. Besner, T. G. Waller & G. E. MacKinnon (Eds.), Reading Research: Advances in Theory and in Practice. V5. New York: Academic Press.
  • Humphreys, G. W., Riddoch, M. J. & Quinlan, P. T. (1985) Interactive processes in perceptual organization: Evidence from visual agnosia. In M. I. Posner & O. S. M. Marin (Eds.), Attention & Performance XI. Hillsdale, N. J.: Erlbaum.


PapersEdit

  • Francis, D. R., Clark, N. & Humphreys, G. W (2003). The Treatment Of An Auditory Working Memory Deficit And The Implications For Sentence Comprehension Abilities In Mild 'Receptive' Aphasia. Aphasiology 17 (8): 723-750 AUG .
  • Chainay, H. & Humphreys, G. W. (2002) Neuropsychological Evidence For A Convergent Route Model For Action. Cognitive Neuropsychology, 19, 67-93.
  • Han, S. & Humphreys, G. W. (2002) Segmentation And Selection Contribute To Local Processing In Hierarchical Analysis. Quarterly Journal Of Experimental Psychology, 55A, 5-21.
  • Kumada, T. & Humphreys, G. W. (2002) Early Selection Influenced By Perceptual Load In A Patient With Frontal Lobe Damage: External Vs. Internal Modulation Of Processing Control. Cognitive Neuropsychology, 19, 49-65.
  • Linnell, K. J. & Humphreys, G. W. (2002) Visual Search Within Versus Across Dimensions: A Case For Within-Dimension Grouping. British Journal Of Psychology, 93, 115-136.
  • Mayall, K. A. & Humphreys, G. W. (2002) How Not To Revisit Highway 61: Negative Repetition Effects In A Post-Cue Naming Task. Quarterly Journal Of Experimental Psychology, 55A, 311-344.
  • Ackroyd, K., Riddoch, M. J., Humphreys, G. W. & Townsend, S. (2002). When Near Becomes Far And Left Becomes Right: Using A Tool To Extend Extrapersonal Visual Space In A Patient With Severe Neglect. Neurocase.
  • Chainay, H. & Humphreys, G. W. Privileged Access To Action For Objects Relative To Words. Psychonomic Bulletin & Review 9 (2): 348-355 Jun 2002 .
  • Edwards, M. G. & Humphreys, G. W. (2002) Visual Selection And Action In Balint's Syndrome. Cognitive Neuropsychology 19 (5): 445-462 Jul .
  • Forde, E. M. E. & Humphreys, G. W.(2002) Dissociations In Routine Behaviour Across Patients And Everyday Tasks. Neurocase 8 (1-2): 100-110 .
  • Forde, E. M. E. & Humphreys, G. W. (2002) The Role Of Semantic Knowledge In Short Term Memory. Neurocase 8 (1-2): 13-27 .
  • Francis, D., Riddoch, M. J. & Humphreys, G. W. (2001) Cognitive Rehabilitation Of Word Meaning Deafness. Aphasiology 15 (8): 749-766 Aug .
  • Gerlach, C., Aside, C. T., Humphreys, G. W., Gade, A., Paulson, O. & Law, I. (2002) Brain Activity Related To Integrative Processes In Visual Object Recognition: Bottom-Up Integration And The Modulatory Influence Of Stored Knowledge. Neuropsychologia 40 (8): 1254-1267 .
  • Heinke, D., Deco, G., Zihl, J. & Humphreys, G. W. A (2002) Computational Neuroscience Account Of Visual Neglect. Neurocomputing 44: 811-816 Jun .
  • Heinke, D. & Humphreys, G. W. (2003) Attention, Spatial Representation And Visual Neglect: Simulating Emergent Attentional Processes In The Selective Attention For Identification Model (Saim). Psychological Review 110 (1): 29-87 Jan.
  • Heinke, D. & Humphreys, G. W. (2002). Computational Models Of Visual Selective Attention: A Review. In Houghton, G. (Ed.), Connectionist Models In Cognitive Psychology. London: Psychology Press.
  • Heinke, D., Humphreys, G. W. & Di Virgilio, G.(2002) Modelling Visual Search Experiments: The Selective Attention For Identification Model (SAIM). Neurocomputing 44: 817-822 Jun .
  • Humphreys, G. W. & Riddoch, M. J.(2001) Knowing What You Need But Not What You Want: Affordances And Action-Defined Templates In Neglect. Behavioural Neurology 13 (1-2): 75-87 .
  • Humphreys, G. W. & Riddoch, M. J.(2002). Do Pixel-Level Analyses Describe Psychological Perceptual Similarity? A Comment On 'Category-Specific Naming And The 'Visual' Characteristics Of Line Drawn Stimuli' By Laws And Gale. Cortex.
  • Humphreys, G. W., Riddoch, M. J., Nys, G. & Heinke, D.(2002). Unconscious Transient Binding By Time: Neuropsychological Evidence From Anti-Extinction. Cognitive Neuropsychology.
  • Humphreys, G. W., Watson, D. G. & Joliceour, P.(2002). Fractionating Visual Marking: Dual Task Decomposition Of The Marking State By Timing And Modality. Journal Of Experimental Psychology: Human Perception And Performance.
  • Kumada, T. & Humphreys, G. W. (2002) .Cross-Dimensional Interference And Cross-Trial Inhibition. Perception & Psychophysics 64 (3): 493-503 Apr
  • Kunar, M., Humphreys, G. W. & Smith, K. J. (2003) History Matters: The Preview Benefit In Search Is Not Onset Capture. Psychological Science 14 (2): 181-185 Mar .
  • Olivers, C. & Humphreys, G. W.(2002). Attending To Ignore: Visual Marking Under Attentional Blink Conditions: More Evidence For Top-Down Limited Capacity Inhibition. Journal Of Experimental Psychology: Human Perception And Performance.
  • Olivers, C. N. L., Humphreys, G. W., Heinke, D. & Cooper, A. C. G.(2002) Prioritization In Visual Search: Visual Marking Is Not Dependent On A Mnemonic Search. Perception & Psychophysics 64 (4): 540-560 May .
  • Phillips, J. A., Humphreys, G. W., Nopenney, U. & Price, C. J.(2002) The Neural Substrates Of Action Retrieval: An Examination Of Semantic And Visual Routes To Action. Visual Cognition 9 (4-5): 662-684 May-Jul .
  • Mumtaz, S. & Humphreys, G. W. The effect of Urdu vocabulary size on the acquisition of single word reading in English. Educational Psychology. (2002).
  • Jacobsen, T., Schroger, E., Humphreys, G. W. & Roeber, U. (2001) Facilitation of visual search at new positions: A behavioral and ERP study of new object capture. Neuroreport, 12, 4161-4164.
  • Mumtaz, S. & Humphreys, G. W. (2001) Effects of bilingualism on learning to read English: Evidence from the contrast between Urdu-English bilingual and English monolingual children. Journal of Research in Reading, 24, 113-134.
  • Chainay, H. & Humphreys, G. W. (2001) The real object advantage in agnosia: Evidence of a role for shading and depth in object recognition. Cognitive Neuropsychology, 18, 175-191.
  • Francis, D., Riddoch, M. J. & Humphreys, G. W. (2001) Treating agnosic alexia complicated by additional impairments. Neuropsychological Rehabilitation, 11, 113-145
  • Hall, D., Humphreys, G. W. & Cooper, A. C. G. (2001) Neuropsychological evidence for case-specific reading: Multi-letter units in visual word recognition. Quarterly Journal of Experimental Psychology, 54, 439-467.
  • Hodsoll, J. & Humphreys, G. W. (2001) Driving attention with the top down: The relative contribution of target templates to the linear separability effect in the size dimension. Perception & Psychophysics, 63, 918-926.
  • Humphreys, G. W. (2001) A multi-stage account of binding in vision: Neuropsychological evidence. Visual Cognition, 8, 381-410.
  • Humphreys, G. W. & Forde, E. M. E. (2001). Hierarchies, similarity and interactivity in object recognition: On the multiplicity of 'category specific' deficits in neuropsychological populations. Behavioural and Brain Sciences, 24, 453-509. 79.
  • Humphreys, G. W. & Mayall, K. A. (2001) A peripheral reading deficit under conditions of diffuse visual attention. Cognitive Neuropsychology, 18, 551-576.
  • Humphreys, G. W. & Olson, A. (2001) Separating effects of orthographic similarity and contour summation in the identification of masked letter strings. Quarterly Journal of Experimental Psychology, 54A, 1203-1220.
  • Humphreys, G. W. & Price, C. J. (2001) Cognitive neuropsychology and functional brain imaging: Implications for functional and anatomical models of cognition. Acta Psychologica, 107, 119-153.
  • Humphreys, G. W. & Riddoch, M. J. (2001) Detection by action: Evidence for affordances in search in neglect. Nature Neuroscience, 4, 84-88.
  • Kumada, T. & Humphreys, G. W. (2001). Lexical recovery on extinction: Interactions between visual form and stored knowledge modulate visual selection. Cognitive Neuropsychology, 18, 465-478.
  • Linnell, K. & Humphreys, G. W. (2001) Spatially parallel processing of within-dimension conjunctions. Perception, 30, 49-60.
  • Mayall, K. A., Humphreys, G. W., Olson, A., Mechelli, A. & Price, C. J. (2001) CaSe MiXiNg recruits visual attention: PET evidence. Journal of Cognitive Neuroscience, 13, 844-853.
  • Riddoch, M. J., Humphreys, G. W. & Edwards, M. G. (2001) An experimental analysis of unintentional lower limb action. Neuropsychologia, 39, 574-579.
  • Humphreys, G. W. (2000) Neuropsychological analogies of inattentional blindness. Psyche, 6, 16.
  • Boutsen, L., & Humphreys, G. W. (2000). Axis-based grouping reduces visual extinction. Neuropsychologia, 38, 896-905.
  • Cooper, A. C. G. & Humphreys, G. W. (2000) Task-specific efects of orientation information: Neuropsychological evidence. Neuropsychologia, 38, 1607-1615.
  • Cooper, A. C. G. & Humphreys, G. W. (2000) Coding space within but not between objects: Evidence from Balint's syndrome. Neuropsychologia, 38, 723-733.
  • Forde, E. M. E. & Humphreys, G. W. (2000). The role of semantic knowledge and working memory in everyday tasks. Brain and Cognition, 44, 214-252.
  • Giersch, A., Humphreys, G. W., Boucart, M. & Kovacs, I. (2000) The computation of occluded contours in visual agnosia: Evidence for early computation prior to shape binding and figure-ground coding. Cognitive Neuropsychology, 17, 731-759.
  • Humphreys, G. W., Cinel, C., Wolfe, J., Olson, A. & Klempen, N. (2000) Fractionating the binding process: Neuropsychological evidence distinguishing binding of form from binding of surface features. Vision Research, 40, 1569-1596.
  • Humphreys, G. W., & Donnelly, N. (2000). 3D constraints on spatially parallel shape processing. Perception and Psychophysics, 62, 1060-1085.
  • Humphreys, G. W. & Muller, H. M. (2000).A search asymmetry reversed by figure-ground assignment. Psychological Science, 11, 196-201.
  • Humphreys, G. W. & Riddoch, M. J. (2000) One more cup of coffee for the road: Object-action assemblies, response blocking and response capture after frontal lobe damage. Experimental Brain Research, 133, 81-93.
  • Lawson, R., Humphreys, G. W., & Jolicoeur, P. (2000). The combined effects of plane disorientation and foreshortening on picture naming - One manipulation or two? Journal of Experimental Psychology: Human Perception and Performance, 26, 568-581.
  • Moroni, C., Boucart, M., Humphreys, G. W., Henaff, M. & Belin, C. (2000) Failure to identify the target does not prevent the attentional blink effect. Neuroreport, 11, 2775-2780.
  • Riddoch, M. J., Humphreys, G. W. & Edwards, M. G. (2000) Neuropsychological evidence distinguishing object selection from action (effector) selection. Cognitive Neuropsychology, 17, 547-562.
  • Shalev, L. & Humphreys, G. W. (2000). Biased attentional shifts associated with damage to the right parietal lobe. Cognitive Neuropsychology, 17, 339-365.
  • Watson, D. G., & Humphreys, G. W. (2000). Visual marking: Evidence for inhibition using a probe-dot detection paradigm. Perception & Psychophysics, 62, 471-481.
  • Duncan, J., Bundesen, C., Olson, A., Humphreys, G. W., Chavda, S. & Shibuya, H. (1999). Systematic analysis of deficits in visual attention. Journal of Experimental Psychology: General, 128, 1-29.
  • Fuentes, L. J., Vivas, A. B. & Humphreys, G. W. (1999). Visual processing of stimuli presented at inhibited spatial locations: Inhibition disconnects stimulus recognition from response selection. Quarterly Journal of Experimental Psychology, 52A, 149-164.
  • Boutsen, L. & Humphreys, G. W. (1999). Axis-alignment affects on perceptual grouping: Evidence from simultanagnosia. Cognitive Neuropsychology, 16, 655-672.
  • Dickerson, J. & Humphreys, G. W. (1999). On the identification of misoriented objects: Effects of task and level of stimulus description. European Journal of Cognitive Neuropsychology, 11, 145-166.
  • Edwards, M. G. & Humphreys, G. W. (1999). Pointing and grasping in unilateral visual neglect: Effect of on-line visual feedback in grasping. Neuropsychologia, 37, 959-973.
  • Forde, E. M. E. & Humphreys, G. W. (1999). Category-specific recognition impairments: A review of important case studies and influential theories. Aphasiology, 13, 169-193.
  • Fuentes, L. J., Vivas, A. B. & Humphreys, G. W. (1999). Inhibitory mechanisms of attentional networks: spatial and semantic inhibitory processing. Journal of Experimental Psychology: Human Perception and Performance, 25, 1114-1126.
  • Han, S. & Humphreys, G. W. (1999) Interactions between perceptual organization based on Gestalt laws and those based on hierarchical processing. Perception & Psychophysics, 61, 1287-1298.

124. Han, S., Humphreys, G. W. & Chen, L. (1999). Uniform connectedness and classical Gestalt principles of perceptual grouping. Perception & Psychophysics, 61, 661-674.

  • Han, S., Humphreys, G. W. & Chen, L. (1999) Parallel and competitive processes in hierarchical analysis: Perceptual grouping and encoding of closure. Journal of Experimental Psychology: Human Perception and Performance, 25, 1411-1432.
  • Humphreys, G. W. & Riddoch, M. J. (1999) Impaired development of semantic memory: Separating semantic from structural knowledge and diagnosing a role for action in establishing stored memories for objects Neurocase, 5, 519-532.
  • Humphreys, G. W. & Riddoch, M. J. (1999). Disorder of colour consciousness. The view from neuropsychology. Behavioural and Brain Sciences, 22, 956.
  • Humphreys, G. W., Price, C. J. & Riddoch, M. J. (1999). From objects to names: A cognitive neuroscience approach. Psychological Research, 62, 118-130.
  • Lawson, R. & Humphreys, G. W. (1999). The effects of view in depth on the identification of line drawings and silhouettes of familiar objects: Normality and pathology. Visual Cognition, 6, 165-196.
  • Olivers, C., Heinke, D., Humphreys, G. W. & Muller, H. J. (1999). Close interactions between >when= and >where= in saccade target selection: Multiple saliency and distractor effects. Behavioural and Brain Sciences, 22, 693-694.
  • Olivers, C., Watson, D. G. & Humphreys, G. W., (1999). Visual marking of locations and feature maps: Evidence from within dimension defined conjunctions. Quarterly Journal of Experimental Psychology, 52A, 679-715.
  • Riddoch, M. J., Humphreys, G. W., Gannon, T., Blott, W. & Jones, V. (1999). Memories are made of this: The effects of time on stored visual knowledge in a case of visual agnosia. Brain, 122, 537-559.
  • Watson, D. G. & Humphreys, G. W. (1999). Segmentation on the basis of linear and local rotational motion: Motion grouping in visual search. Journal of Experimental Psychology: Human Perception and Performance, 25, 70-82:.
  • Watson, D. G., & Humphreys, G. W., (1999). The magic number 4 and temporo-parietal damage: Neuorological impairments in counting targets amongst distractors. Cognitive Neuropsychology, 16, 609-630.
  • Edelstyn, N. M. J., Oyebode, F., Booker, E. & Humphreys, G. W. (1998) Facial processing and the delusional misidentification syndomes. Cognitive Neuropsychiatry, 3, 299-314.
  • Donnelly, N., Weekes, B., Humphreys, G. W. & Albon, A. (1998). Processes involved in the computation of a shape description. Journal of Experimental Psychology: Human Perception and Performance, 24, 1119-1130.
  • Ferrand, L., Humphreys, G. W. & Segui, J. (1998). Masked repetition and phonological priming in picture naming. Perception & Psychophysics, 60, 263-274.
  • Fuentes, L. J., Humphreys, G. W., Agis, I. F., Carmona, E. & Catena, A. (1998). Object-based perceptual grouping affects negative priming. Journal of Experimental Psychology: Human Perception and Performance, 24, 664-672.
  • Humphreys, G. W. (1998). The neural representation of objects in space: A dual coding account. Philosophical Transactions of the Royal Society, 353, 1341-1351.
  • Humphreys, G. W. & Forde, E. M. E. (1998). Disordered action schema and action disorganisation syndrome. Cognitive Neuropsychology, 15, 771-812.
  • Humphreys, G. W., Free, L. & Gilchrist, I. (1998). Psychophysical analyses of contour processing in humans: The case for qualitative tests. Image and Vision Computing, 16, 499-510.
  • Humphreys, G. W. & Heinke, D. (1998). Spatial representation and selection in the brain: Neuropsychological and computational constraints. Visual Cognition, 5, 9-47.
  • Humphreys, G. W. & Rumiati, R. I. (1998). Stimulus specificity in visual recognition: Agnosia without prosopagnosia or alexia. Cognitive Neuropsychology, 15, 243-278.
  • Humphreys, G. W. & Rumiati, R. I. (1998). When joys come not in single spies but in battalions: Within-category and within-modality identification increases the accessibility of degraded stored knowledge. Neurocase, 4, 111-126.
  • Lawson, R. & Humphreys, G. W. (1998). The effects of viewpoint on the recognition of familiar objects. Perception & Psychophysics, 60, 1052-1066.
  • Riddoch, M. J., Edwards, M. G., Humphreys, G. W., West, R. & Heafield, T. (1998). Visual affordances direct action. Neuropsychological evidence from manual interference. Cognitive Neuropsychology, 15, 645-684.
  • Rumiati, R. I. & Humphreys, G. W. (1998). Recognition by action: Dissociating visual and semantic routes to action in normal observers. Journal of Experimental Psychology: Human Perception and Performance, 24, 631-647.
  • Watson, D. G. & Humphreys, G. W. (1998). Visual marking of moving objects: A role for top-down feature based inhibition in selection. Journal of Experimental Psychology: Human Perception and Performance, 24, 946-962.
  • Heinke, D. & Humphreys, G. W. (1997) SAIM: A model of visual attention and neglect. Proceedings of the 7th International Conference on Artificial Neural Networks (ICANN), 913-918.
  • Olson, A. & Humphreys, G. W. (1997). Connectionist models of neuropsychological disorders. Trends in Cognitive Science, 1, 222-228.
  • Boucart, M. & Humphreys, G. W. (1997). Processing of physical and semantic information from objects. Perception, 26, 1197-1209.
  • Duncan, J., Humphreys, G. W. & Ward, R. (1997). Competitive brain activity in visual attention. -Current Opinion in Neurobiology. 7, 255-261.
  • Ferrand, L., Segui, J. & Humphreys, G. W. (1997). The syllable=s role in word naming. Memory and Cognition, 25, 458-470.
  • Forde, E. M. E. & Humphreys, G. W. (1997). A semantic locus for refractory behaviour: Implications for access-storage distinctions and the nature of semantic memory. Cognitive Neuropsychology, 14, 367-402.
  • Forde, E. M. E., Francis, D., Riddoch, M. J., Rumiati, R. I. & Humphreys, G. W. (1997). On the links between visual knowledge and naming: A single case study of a patient with a category-specific impairment for living things. Cognitive Neuropsychology, 14, 403-458.

160. Gilchrist, I., Humphreys, G. W., Riddoch, M. J. & Neumann, H. (1997). Luminance and edge information in grouping: A study using visual search. Journal of Experimental Psychology: Human Perception and Performance, 23, 464-480.

  • Han, S., Humphreys, G. W. & Wang, R. (1997). Representation of the centre of a perceptual group in neglect: A case study. Neurocase, 3, 365 - 374.
  • Humphreys, G. W. & Boucart, M. (1997). Selection by colour and form in vision. Journal of Experimental Psychology: Human Perception and Performance, 23, 136-
  • Humphreys, G. W., Riddoch, M. J. & Price, C. J. (1997). Top-down processes in object identification: Evidence from experimental psychology, neuropsychology and functional anatomy. Philosophical Transactions of the Royal Society, 352, 1275-1282.
  • Lloyd-Jones, T. J. & Humphreys, G. W. (1997). Categorizing chairs and naming pears: Category differences in object processing as a function of task and priming. Memory and Cognition, 25, 606-624.
  • Lloyd-Jones, T. J. & Humphreys, G. W. (1997). Perceptual differentiation as a source of category effects in object processing: Evidence from naming and object decision. Memory and Cognition, 25, 18-35.
  • Mayall, K., Humphreys, G. W. & Olson, A. (1997). Disruption to word or letter processing? The origins of case mixing effects. Journal of Experimental Psychology. Learning, Memory and Cognition, 23, 1275-1286.
  • Price, C. J., Moore, C. J., Humphreys, G. W. & Wise, R. J. S. (1997). Segregating semantic from phonological processes during reading. Journal of Cognitive Neuroscience, 9, 727-733.
  • Rumiati, R. I. & Humphreys, G. W. (1997). Visual object agnosia without alexia or prosopagnosia: Arguments for separate processing mechanisms. Visual Cognition, 4, 207-218.
  • Edelstyn, N. J. M., Riddoch, M. J., Oyebode, F., Humphreys, G. W. & Forde, E. M. E. (1996). Visual processing in patients with Fregoli Syndrome. Cognitive Neuropsychiatry, 1, 103-124.
  • Troscianko, T., Davidoff, J., Humphreys, G. W., Lanids, T., Fahle, M., Greenlee, M., Brugger, P. & Phillips, W. (1996). Human colour discrimination based on a non-parvocellular pathway. Current Biology, 16, 4-14.
  • Ferrand, L. & Humphreys, G. W. (1996). Transfer of refractory states across languages in a global aphasic patient. Cognitive Neuropsychology, 13, 1163-1192.
  • Fuentes, L. J. & Humphreys, G. W. (1996). On the processing of Aextinguished@ stimuli in unilateral visual neglect: An approach using negative priming. Cognitive Neuropsychology, 13, 111-136.
  • Gilchrist, I., Humphreys, G. W. & Riddoch, M. J. (1996). Grouping and extinction: Evidence for low-level modulation of selection. Cognitive Neuropsychology, 13, 1223-1256.
  • Humphreys, G. W., Boucart, M, Datar, V. & Riddoch, M. J. (1996). Processing fragmented forms and strategic control of orienting in visual neglect. Cognitive Neuropsychology, 13, 177-203.
  • Humphreys, G. W. (1996). Object recognition: The man who mistook his dog for a cat. Current Biology, 6, 821-824.
  • Lawson, R. & Humphreys, G. W. (1996). View-specificity in object processing: Evidence from picture matching. Journal of Experimental Psychology: Human Perception and Performance, 22, 395-416.
  • Mayall, K. A. & Humphreys, G. W. (1996). Case mixing and the task sensitive disruption of lexical processing. Journal of Experimental Psychology: Learning, Memory and Cognition, 22, 278-294.
  • Mayall, K. A. & Humphreys, G. W. (1996). A connectionist model of alexia: Covert recognition and case mixing effects. British Journal of Psychology, 87, 355-402.
  • Oyebode, F., Edelstyn, N., Patel, A., Riddoch, M. J. & Humphreys, G. W. Capgras syndrome in vascular dementia: Recognition memory and visual processing. International Journal of Geriatric Psychiatry, 11, 71-73.
  • Price, C. J., Moore, C. J., Humphreys, G. W., Frackowiak, R. S. J. & Friston, K. J. (1996). The neural regions sustaining object recognition and naming. Proceedings of the Royal Society, B263, 1501-1507.
  • Riddoch, M. J., Humphreys, G. W. & Bateman, A. (1995). Cognitive deficits following stroke. Physiotherapy, 81, 465-473.
  • Riddoch, M. J., Humphreys, G. W., Burroughs, E., Luckhurst, L., Bateman, A. & Hills, S. (1995). Cueing in a case of neglect: Modality and automaticity effects. Cognitive Neuropsychology, 12, 604-622.
  • Boucart, M., Humphreys, G. W. & Lorenceau, J. (1995). Automatic access to object identity: Attention to global information, not to particular physical dimensions, is important. Journal of Experimental Psychology: Human Perception and Performance, 21, 584-601.
  • Forde, E. & Humphreys, G. W. (1995). Refractory semantics in global aphasia: On Semantic organization and the access-storage distinction in neuropsychology. Memory, 3, 265-308.
  • Humphreys, G. W., Lamote, C. & Lloyd-Jones, T. J. (1995). An interactive activation approach to object processing: Effects of structural similarity, name frequency and task in normality and pathology. Memory, 3, 535-586.
  • Humphreys, G. W., Lloyd-Jones, T. J. & Fias, W. (1995). Semantic interference on naming using a post-cue procedure: Tapping the links between semantics and phonology with pictures and words. Journal of Experimental Psychology: Learning, Memory and Cognition, 21, 961-980.
  • Humphreys, G. W. & Riddoch, M. J. (1995). Separate coding of space within and between perceptual objects: Evidence from unilateral visual neglect. Cognitive Neuropsychology, 12, 283-312.
  • Price, C. J. & Humphreys, G. W. (1995) Contrasting effects of letter spacing in alexia: Further evidence that different strategies generate word length effects in reading. Quarterly Journal of Experimental Psychology, 48A, 573-597.
  • Riddoch, M. J., Humphreys, G. W., Luckhurst, L. Burroughs, E. & Bateman, A. (1995). "Paradoxical neglect": Spatial representations, hemisphere-specific activation and spatial cueing. Cognitive Neuropsychology, 12, 569-604.
  • Verstaen, A., Humphreys, G. W., Olson, A. & d'Ydewalle, G. (1995). Automatic (prelexical) phonemic activation in silent word reading? Journal of Memory and Language, 34, 335-356.
  • Watson, D. & Humphreys, G. W. (1995). Attention captured by contour onsets and offsets: No special role for onsets. Perception & Psychophysics, 57, 583-597.
  • Bruce, V. & Humphreys, G. W. (1994). Recognizing objects and faces. Visual Cognition, 1, 141-180.
  • Rumiati, R. I., Humphreys, G. W., Riddoch, M. J. & Bateman, A. (1994). Visual object agnosia without prosopagnosia or alexia: Evidence for hierarchical theories of visual recognition. Visual Cognition, 1, 181-225.
  • Boucart, M. & Humphreys, G. W. (1994) Attention to orientation, size, luminance and colour: Attentional failure within the form domain. Journal of Experimental Psychology: Human Perception and Performance, 20, 61-80.
  • Donnelly, N., Humphreys, G. W. & Sawyer, J. (1994) Stimulus factors affecting the categorization of faces and scrambled faces. Acta Psychologica, 85, 219-234.
  • Humphreys, G. W. & Riddoch, M. J. (1994). Go with the flow but mind the details. The Behavioural and Brain Sciences, 17, 71-72.
  • Humphreys, G. W., Romani, C., Olson, A., Riddoch, M. J. & Duncan, J. (1994). Non-spatial extinction following lesions of the parietal lobe in humans. Nature, 372, 357-359.
  • Humphreys, G. W., Keulers, N. & Donnelly, N. (1994) Parallel visual coding in three dimensions. Perception, 23, 453-470. RBHumphreys, G. W. & Riddoch, M. J. (1994). From phenomena to models. Neuropsychological Rehabilitation, 4, 139-140.
  • Humphreys, G. W. & Price, C. J. (1994) Visual feature discrimination in simultanagnosia: A study of two cases. Cognitive Neuropsychology, 11, 393-434.
  • Humphreys, G. W. & Riddoch, M. J. (1994) Attention to within-object and between-object spatial representations: Multiple sites for visual selection. Cognitive Neuropsychology, 11, 207-242.
  • Lawson, R., Humphreys, G. W. & Watson, D. G. (1994) Object recognition under sequential viewing conditions: Evidence for viewpoint-specific recognition procedures. Perception, 23, 595-614.
  • Muller, H. M., Humphreys, G. W. & Donnelly, N. (1994) Search via recursive rejection (SERR): Visual search for single and dual form-conjunction targets. Journal of Experimental Psychology: Human Perception and Performance, 20, 235-258.
  • Young, A. W., Humphreys, G. W., Riddoch, M. J., Hellalwell, D. J. & de Haan, E. H. F. (1994) Recognition impairments and face imagery. Neuropsychologia, 32, 693-705.

Humphreys, G. W., Donnelly, N. & Riddoch, M. J. (1993) Expression is computed separately from facial identity, and it is computed separately for moving and static faces: Neuropsychological evidence. Neuropsychologia, 31, 173-181. Riddoch, M. J. & Humphreys, G. W. (1993) Visual aspects of neglect dyslexia. In D. Willows, R. S. Kruk & E. Corcos (Eds.), Visual Processes in Reading and Reading Disabilities. Hillsdale, N. J. Erlbaum. Humphreys, G. W. & Muller, H. M. (1993) SEarch via Recursive Rejection (SERR): A connectionist model of visual search. Cognitive Psychology, 25, 43-110. Li, X., Hall, N. S. & Humphreys, G. W. (1993) Discrete distance and similarity measures for pattern candidate selection. Pattern Recognition, 26, 843-851. Price, C. J. & Humphreys, G. W. (1993) Attentional dyslexia: The effects of co-occurring deficits? Cognitive Neuropsychology, 10, 569-592. Quinlan, P. T. & Humphreys, G. W., (1993) Perceptual frames of reference and two-dimensional shape recognition: Further examination of internal axes. Perception, 22, 1343-1364. Sheridan, J. & Humphreys, G. W. (1993) A verbal-semantic category-specific recognition deficit. Cognitive Neuropsychology, 10, 143-184. Vitkovitch, M., Humphreys, G. W. & Lloyd-Jones, T. J. (1993) On naming a giraffe a zebra: Picture naming errors across different categories. Journal of Experimental Psychology: Learning, Memory and Cognition, 19, 243-259. Wydell, T., Patterson, K. E. & Humphreys, G. W. (1993) Phonologically mediated access to meaning for Kanji: Is a ROSE still a ROWS in Japanese Kanji? Journal of Experimental Psychology: Learning, Memory and Cognition, 19, 491-514. 1994.

  • Alkahateeb, W., Bromley, J. M., Humphreys, G. W., Javadnia, A., Riddoch, M. J. & Ruddock, K. H. (1992) Abnormal responses to multi-element spatial stimuli in a subject with visual form agnosia. Clinical Vision Sciences, 7, 163-173.
  • Boucart, M. & Humphreys, G. W. (1992) Global shape cannot be attended without object identification. Journal of Experimental Psychology: Human Perception and Performance, 18, 785-806.
  • Boucart, M. & Humphreys, G. W. (1992) The computation of perceptual structure from collinearity and closure: Normality and pathology. Neuropsychologia, 30, 527-546.
  • Duncan, J. & Humphreys, G. W. (1992) Beyond the search surface: Visual search and attentional engagement. Journal of Experimental Psychology: Human Perception and Performance, 18, 578-588.
  • Humphreys, G. W., Freeman, T. & Muller, H. M. (1992) Lesioning a connectionist model of visual search: Selective effects on distractor grouping. Canadian Journal of Psychology, 46, 417-460.
  • Humphreys, G. W., Riddoch, M. J., Quinlan, P. T., Price, C. J. & Donnelly, N. (1992) Parallel pattern processing in visual agnosia. Canadian Journal of Psychology, 46, 377-416.
  • Price, C. J. & Humphreys, G. W. (1992) Letter by letter reading? Functional deficits and compensatory strategies. Cognitive Neuropsychology. 9, 427-457.
  • Sacchett, C. & Humphreys, G. W. (1992) Calling a squirrel a squirrel but scissors a knife: A category-specific deficit in identifying inanimate objects. Cognitive Neuropsychology, 9, 73-86.
  • Humphreys, G. W. (1991) The relevance of cognitive neuropsychology to cognitive science. Mind and Language, 6, 202-214.
  • Donnelly, N., Humphreys, G. W. & Riddoch, M. J. (1991) Parallel computation of primitive shape descriptions. Journal of Experimental Psychology: Human Perception and Performance, 17, 561-570.
  • Muller, H. & Humphreys, G. W. (1991) Is luminance increment detection capacity limited or not? Journal of Experimental Psychology: Human Perception and Performance, 17, 107-124.
  • Pilgrim, E. & Humphreys, G. W. (1991) Impairment of action to visual objects in a case of ideomotor apraxia. Cognitive Neuropsychology, 8, 459-473.
  • Vitkovitch, M. & Humphreys, G. W. (1991) Perseverative responding in speeded naming to pictures: Its in the links. Journal of Experimental Psychology: Learning, Memory and Cognition, 17, 664-680.

Humphreys, G. W. (1990) Vision, art and the black box. Word and Image, 6, 259- Riddoch, M. J., Humphreys, G. W., Cleton, P. & Fery, P. (1990) Interaction of attentional and lexical processes in neglect. Cognitive Neuropsychology, 7, 497-518.

  • Boucart, M. & Humphreys, G. W. (1990) Familiarity and nameability do not affect picture detection. Bulletin of the Psychonomic Society, 28, 409-411.
  • Humphreys, G. W., Evett, L. J. & Quinlan, P. T. (1990) Early orthographic processing in visual word recognition. Cognitive Psychology, 22. 517-560.
  • Humphreys, G. W. & Ellis, R. (1989) Defining the world - identifying objects. In G. Beaumont (Ed.), Brainpower. Oxford: Blackwells.
  • Duncan, J. & Humphreys, G. W. (1989) Visual search and stimulus similarity. Psychological Review, 96, 433-458.
  • Ellis, R., Allport, D. A., Humphreys, G. W. & Collis, J. (1989) Varieties of object constancy. Quarterly Journal of Experimental Psychology, 41A. 775-796.
  • Humphreys, G. W., Quinlan, P. T. & Riddoch, M. J. (1989) Grouping effects in visual search: Effects with single- and combined-feature targets. Journal of Experimental Psychology: General, 118, 258-279.
  • Muller, H., Humphreys, G. W., Quinlan, P. T. & Donnelly, N. (1989) Fundamental design limitations in tag assignment. Behavioural and Brain Sciences, 12, 410-411.

Price, C. J. & Humphreys, G. W. (1989) The effects of surface detail on object categorisation and naming. Quarterly Journal of Experimental Psychology, 41A, 797-

  • Riddoch, M. J., Humphreys, G. W. & Price, C. J. (1989) Routes to action: Evidence from apraxia. Cognitive Neuropsychology, 6, 437-454.
  • Humphreys, G. W., Riddoch, M. J. & Quinlan, P. T. (1988) Cascade processes in picture identification. Cognitive Neuropsychology, 5, 67-103.
  • Humphreys, G. W., Besner, D. & Quinlan, P. T. (1988) Event perception and the word repetition effect. Journal of Experimental Psychology: General, 117, 51-67.
  • Humphreys, G. W. & Quinlan, P. T. (1988) Priming effects between two-dimensional shapes. Journal of Experimental Psychology: Human Perception and Performance, 14, 203-220.
  • Humphreys, G. W. & Riddoch, M. J. (1988) On the case for multiple semantic systems: A reply to Shallice. Cognitive Neuropsychology, 5, 143-150.
  • Riddoch, M. J., Humphreys, G. W., Coltheart, M. & Funnell, E. (1988) Semantic system or systems? Neurological evidence re-examined. Cognitive Neuropsychology, 5, 3-25.
  • Riddoch, M. J. & Humphreys, G. W. (1988) Description of a left-right spatial coding deficit in a case of constructional apraxia. Cognitive Neuropsychology, 5, 289-316.
  • Humphreys, G. W. & Riddoch, M. J. (1987) On telling your fruits from your vegetables: A consideration of category-specific deficits after brain damage. Trends in Neuroscience, 10, 145-148.
  • Quinlan, P. T. & Humphreys, G. W. (1987) Visual search for targets defined by combinations of colour, shape and size: An examination of the task constraints on feature and conjunction searches. Perception & Psychophysics, 41, 455-472.
  • Riddoch, M. J. & Humphreys, G. W. (1987) A case of integrative visual agnosia. Brain, 110, 1431-1462.
  • Riddoch, M. J. & Humphreys, G. W. (1987) Visual object processing in optic aphasia: A case of semantic access agnosia. Cognitive Neuropsychology, 4, 131-185.
  • Bromley, J., Humphreys, G. W., Javadnia, A., Riddoch, M. J. & Ruddock, K. H. (1986) Pattern discrimination in a human subject suffering visual agnosia. Journal of Physiology, 377, 67.
  • Humphreys, G. W. & Quinlan, P. T. (1986) Comments on "Explanation in computational psychology" by C. Peacocke. Mind and Language, 1, 355-357.
  • Humphreys, G. W. & Riddoch, M. J. (1986) Information processing systems which embody computational rules: The connectionist approach. Mind and Language, 1, 201-212.
  • Riddoch, M. J. & Humphreys, G. W. (1986) Unilateral neglect. Physiotherapy, 72, 425-428.
  • Evett, L. J., Humphreys, G. W. & Quinlan, P. T. (1986) Identification, masking and priming: Clarifying the issues. The Behavioral and Brain Sciences, 9, 31-32.
  • Riddoch, M. J. & Humphreys, G. W. (1986) Neurological impairments of object constancy: The effects of orientation and size disparities. Cognitive Neuropsychology, 3, 207-224.
  • Humphreys, G. W. & Evett, L. J. (1985) Are there independent lexical and non-lexical routes in visual word processing? A review of dual route models of reading. The Behavioral and Brain Sciences, 8, 689-740.
  • Humphreys, G. W. (1984) Shape constancy: Changing the orientation of the principal axis can be more detrimental than changing the relative positions of local features. Perception & Psychophysics, 36, 50-64.
  • Humphreys, G. W. & Riddoch, M. J. (1984) Routes to object constancy: Implications from neurological impairments of object constancy. Quarterly Journal of Experimental Psychology, 36A, 385-415.
  • Humphreys, G. W., Quinlan, P. T. & Evett, L. J. (1983) Automatic orthographic priming. Working Papers of the London Psycholinguistics Group, 5, 48-55.
  • Humphreys, G. W. (1983) Frames of reference and shape perception. Cognitive Psychology, 15, 151-196.
  • Riddoch, M. J. & Humphreys, G. W. (1983) The effect of cueing on unilateral neglect. Neuropsychologia, 21, 589-599.
  • Humphreys, G. W., Evett, L. J. & Taylor, D. E. (1982) Automatic phonological priming in visual word recognition. Memory & Cognition, 10, 576-590.
  • Evett, L. J. & Humphreys, G. W. (1981) The use of abstract graphemic information in lexical access. Quarterly Journal of Experimental Psychology, 33A, 325-350.
  • Humphreys, G. W. (1981) Direct vs indirect tests of the information available from masked displays: What visual masking does and does not prevent. British Journal of Psychology, 72, 323-330.
  • Humphreys, G. W. (1981) Flexibility of attention between stimulus dimensions. Perception & Psychophysics, 30, 291-302.
  • Humphreys, G. W. (1981) On varying the span of visual attention: Evidence for two modes of spatial attention. Quarterly Journal of Experimental Psychology, 33A, 17-31.
  • Humphreys, G. W. (1978) The use of category information in perception. Perception, 7, 589-604.

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