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A, Mean freezing (pretraining activity minus post-training activity) and SEMs for animals that received either sham lesions or electrolytic lesions of the central nucleus of the amygdala. B, Mean amplitude startle response, pretraining, post-training, difference scores (post-training minus pretraining), and SEMs for animals that received either sham lesions or electrolytic lesions of the central nucleus of the amygdala.
