Callosal Neglect | Zendy

Kenneth M. Heilman | Zendy; David J. Adams | Zendy

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Callosal Neglect

Author(s) -

Kenneth M. Heilman,

David J. Adams

Publication year - 2003

Publication title -

archives of neurology

Language(s) - English

Resource type - Journals

eISSN - 1538-3687

pISSN - 0003-9942

DOI - 10.1001/archneur.60.2.276

Subject(s) - corpus callosum , hemispatial neglect , neglect , psychology , neuroscience , audiology , physical medicine and rehabilitation , medicine , psychiatry

According to the interhemispheric inhibition model of neglect, the uninjured hemisphere inhibits (via the corpus callosum) the injured hemisphere but the injured hemisphere can no longer inhibit the opposite hemisphere, which becomes hyperactive and produces an ipsilesional attentional bias. Alternatively, according to the compensation hypothesis, the uninjured hemisphere helps compensate for the damaged hemisphere, which is impaired in directing attention to contralateral stimuli. If the inhibition model of neglect is correct, callosal disconnection should reduce neglect. If the compensation model is correct, however, it may increase or induce neglect.

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