internal capsule

a large band of nerve fibers in the corpus striatum (see basal ganglia) that extends between the caudate nucleus on its medial side and the globus pallidus and putamen on its lateral side. It contains afferent and efferent fibers from all parts of the cerebral cortex as they converge near the brainstem. See also external capsule; extreme capsule.

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Psychology term of the day

September 8th 2024

complementary class

in set theory, the totality of elements that do not belong to a particular class. For example, if A is the class of all psychologists, then its complementary class is the class of all people who are not psychologists.