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Abstract
The distribution of cortico-striatal fibers from the frontal cortex was studied by
autoradiography in cat and monkey and compared with the patterns of striatal acetylcholinesterase
activity observed in the same brains. The clustering patterns of labeled fronto-caudate
fibers were found to correspond to a large extent to the inhomogeneities in enzyme
activity identified by the acetylthiocholinesterase staining method.