[Disruptions of instrumental alimentary conditioned reflexes after removal of the frontal and parietal associative cortex in the cat].

The influence of the extirpation of the frontal and parietal association cortical areas on the elaborated stereotype of instrumental alimentary conditioned reflexes was studied in cats. Errors in reinforcement choice, disturbance of inhibitory conditioned reflexes and appearance of intersignal reactions were observed. The disturbances were more pronounced after the extirpation of the parietal cortex. The data obtained are interpreted as a reflection of the deficit of the inhibitory control of motor program realization formed to a lesser or greater extent after the removal of the frontal as well as parietal areas.