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|Noun||1.||amygdaloid nucleus - an almond-shaped neural structure in the anterior part of the temporal lobe of the cerebrum; intimately connected with the hypothalamus and the hippocampus and the cingulate gyrus; as part of the limbic system it plays an important role in motivation and emotional behavior|
temporal ccortex, temporal lobe - that part of the cerebral cortex in either hemisphere of the brain lying inside the temples of the head
basal ganglion - any of several masses of subcortical grey matter at the base of each cerebral hemisphere that seem to be involved in the regulation of voluntary movement