Philips and LeDoux (1992) conducted a study with amygdala-lesioned and control rats. The study used a fear-conditioning paradigm, in which rats learned that a certain tone predicted an electric shock. In what way did the amygdala-lesioned rats differ from the control rats?
A) The lesioned rats did not appear to feel the electric shock as strongly as control rats.
B) The lesioned rats were more easily frightened than the control rats.
C) The lesioned rats did not "freeze" as long after hearing the tone as control rats did.
D) The lesion and control rats differed in all of the above ways.
Correct Answer:
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