The effects of amygdaloid lesions on a classically conditioned auditory discrimination in the rabbit (Oryctalagus cuniculus)
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TL;DR
The performance of rabbits (Oryctolagus cuniculus) sustaining amygdaloid lesions was compared to that of control Ss during the acquisition of a classically conditioned auditory discrimination and lesion effects were discussed in terms of response inhibitory mechanisms or changes in shock-produced arousal.
Abstract
The performance of rabbits (Oryctolagus cuniculus) sustaining amygdaloid lesions was compared to that of control Ss during the acquisition of a classically conditioned auditory discrimination. Amygdala damaged Ss showed a reliable (p <.05) elevation in the percentage of nictitating membrane CRs to the CS+ and a marginally significant (p <.10) elevation in CRs to the CS—. The lesion effects are discussed in terms of response inhibitory mechanisms or changes in shock-produced arousal. Additional experiments are suggested.