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Aprosexia, Hyperprosexia, and Paraprosexia are closely related psychological and neuro-psychiatric phenomena associated with attention and concentration. They typically occurs in patients suffering traumatic brain injuries.

Aprosexia is an abnormal inability to pay attention, characterized by a near-complete indifference to everything.

Hyperprosexia is the abnormal state in which a person concentrates on one thing to the exclusion of everything else.

Paraprosexia is the inability to pay attention to any one thing (a state of constant distraction).

[edit] Etiology

Patients suffering traumatic brain injury experience profound disturbance of the basic functions of the cognitive, behavioral, emotional and intellectual systems. Such patients' ability to regulate interaction between the ego and the external world is greatly diminished and they typically exhibit inflexible, concrete and sometimes inappropriate behaviors.

[edit] References

• Ohry A, Rattok J. The 'hyperprosexia phenomenon' in traumatic brain injured patients (a forgotten term for an old problem). Neurological Rehabilitation Department, Sheba Medical Center, Tel Hashomer, Israel. 1990.

Attention
Aspects of attention
Absent-mindedness | Attention span | Attentional shift | Directed attention fatigue | Attention management | Attentional blink | Attentional bias | Attention economy | Attention and emotion | Attention optimization | Change blindness | Concentration |Dichotic listening | Distraction | Distractibility | Divided attention | Hyperfocus | Inattentional blindness | Mindfulness |Mind-wandering | Meditation | Salience | Selective attention | Selective inattention | Signal detection theory | Sustained attention | Vigilance | Visual search |
Developmental aspects of attention
centration | [[]] |
Neuroanatomy of attention
Attention versus memory in prefrontal cortex |Dorsal attention network | | Neural mechanisms | Ventral attention network | Intraparietal sulcus |
Neurochemistry of attention
Glutamatergic system  | [[]] |
Attention in clinical settings
Attention training | ADHD | ADHD contoversy | ADD | AADD | Centering | Distractability |Attention and aging | Hypervigilance | Hyperprosexia | Cognitive-shifting | Mindfulness-based Cognitive Therapy |
Attention in educational settings
Concentration |
Assessing attention
Benton | Continuous Performance Task | TOMM | Wechsler Memory Scale |
Treating attention problems
CBT | Psychotherapy |
Prominant workers in attention
Baddeley | Broadbent | [[]] | Treisman | Cave |
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