The Journal of neuropsychiatry and clinical neurosciences · 1999
Alteration of intention and self-initiated action associated with bilateral anterior cingulotomy.
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Cohen R A, Kaplan R F, Zuffante P, Moser D J, Jenkins M A, Salloway S, Wilkinson H
Аннотация
Neuropsychological manifestations of bilateral anterior cingulate cortex lesions were studied in patients treated with cingulotomy for chronic intractable pain. Cingulotomy patients more than 1 year postsurgery were contrasted with nonsurgical chronic pain patients. Patients were assessed on a neuropsychological battery, including measures of response intention, initiation, generation, and persistence. Cingulotomy patients were intact across most cognitive domains, but they showed deficits of focused and sustained attention as well as mild executive dysfunction. Self-initiated responding--including spontaneous verbal utterances and unstructured design fluency--was most impaired. Results indicate that the greatest impact of cingulotomy lesions is on response intention and self-initiated behavior, with reduced behavioral spontaneity.