Projections from functionally diverse cortical and subcortical structures (cortex, amygdaloid body, substantia nigra, ventral tegmental area, and thalamus) to the pallidum (globus pallidus, entopeduncular nucleus and ventral pallidum) were studied in dogs using the method of axonal transport of the retrograde markers. Anatomical aspects of both the functional heterogeneity of the pallidal structures and integrative processing of information which underlie the mechanisms of adaptive behavior, were analyzed on the basis of the results obtained.
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