Exploration and habituation in Purkinje cell degeneration mutant mice.


Purkinje cell degeneration (pcd) mutant mice lose virtually all Purkinje cells. It was found that the pcd mutants did not show within-sessions habituation in terms of hole-poking responses. This type of perseverative responding has been found in rats with limbic system damage and implies a role for the cerebellum in behavioral inhibition. 


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