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Asomatognosia, is characterized by a loss of knowledge or recognition of half of the body or a limb, possibly due to paralysis or unilateral neglect. Asomatognosic patients may, for example, mistake their arm for the doctor’s arm, however, can be shown their limb and this error is temporarily corrected. .
The condition may take a number of forms:
- Unilateral asomatognosia - unawareness or denial of hemiplegia, most frequently on the left following right hemisphere lesions
- Bilateral types including:
These disorders reflect parietal lobe dysfunction.
- ↑ Vallar, G. & Ronchi, R. (2009). Somatoparaphrenia: a body delusion. A review of the neuropsychological literature. Experimental Brain Research, 192:3, 533-551
- ↑ Feinberg, T., Venneri, A., Simone, A.M., et al. (2010). The neuroanatomy of asomatognosia and somatoparaphrenia. Journal of Neurology, Neurosurgery & Psychiatry, 81, 276-281
- ↑ Bottini, Gabriella; Bisiach, Edoardo; Sterzi, Roberto; Vallar, Giuseppe (2002): “Feeling touches in someone else's hand.” Neuroreport 13 (2), 249–252.
- ↑ Beaumont J.G., Kenealy, P.M. & Rogers, M.J.C. (1999). The Blackwell Dictionary of Neuropsychology. Oxford:Blackwell