Deficits in active avoidance behavior following lesions of the lateral and posterolateral gyrus of the cat.

Abstract
Two-way active avoidance responses (AAR) to an auditory CS [conditional stimulus] (buzzer) were studied in cats with lesions of the medial aspect of the lateral and posterolateral gyri (striate cortex). Compared with normal Ss[subjeets] and Ss with small scattered lesions of lateral gyrus (lateral controls), both lateral and posterolateral Ss were deficient in AAR learning and showed stronger emotionality during training. Based on these findings and those of our previous investigation which showed that AAR deficits only occur in cingulectomized Ss when the lateral gyrus has been undercut, the role of the cingulate gyrus in AAR behavior is evaluated and the possibility of nonvisual functions mediated by striate cortex discussed.

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