The effect of ventral rhinencephalic lesions on avoidance thresholds in monkeys.
- 1 January 1958
- journal article
- research article
- Published by American Psychological Association (APA) in Journal of Comparative and Physiological Psychology
- Vol. 51 (2) , 167-171
- https://doi.org/10.1037/h0046224
Abstract
9 monkeys were trained in a Sidman avoidance situation in which a lever-press delayed the occurrence of an electric shock. The Ss were then either given bilateral lesions in the orbita-insula-temporal region (OIT), the amygdaloid region (AM), or control operations. After an extinction session the avoidance thresholds were again measured postoperatively. In terms of the first postoperative thresholds and other response indexes, the OIT group showed least avoidance, the AM group next, and the controls most. The extinction results were in the same direction.Keywords
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