Journal
NEUROPSYCHOLOGIA
Volume 39, Issue 3, Pages 219-230Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0028-3932(00)00114-7
Keywords
anterior cingulate; executive control; attention; mental imagery; neurosurgical treatment of psychiatric illness
Funding
- PHS HHS [R01-99-11111] Funding Source: Medline
- ACF HHS [AF-99999] Funding Source: Medline
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A series of eight tests of visual cognitive abilities was used to examine pre- to post-operative performance changes in a patient receiving bilateral anterior cingulotomy. Compared with a set of eight matched control participants, post-operatively, the patient exhibited deficits in (a) the ability to sequence novel cognitive operations required to generate multipart images or rotate perceptual stimuli; (b) the ability to search for, select, and compare images of objects when the instructions did not specify precisely which objects should be visualized: and, (c) the ability to select a controlled and unpracticed response over an automatic one. Other imagery and cognitive tasks Mere not affected. Results are consistent with the hypothesis that anterior cingulate cortex is a component of an executive control system. One of the anterior cingulate's roles may be to monitor on-line processing and signal the motivational significance of current actions or cognitions. (C) 2001 Elsevier Science Ltd. All rights reserved.
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