A test for conditioned inhibition in motor learning.

Abstract
The concept of conditioned inhibition as it is used in motor learning was criticized on both theoretical and exptl. grounds. It was shown that conditioned inhibition theory predicts that if one group is given massed practice and another group given distributed practice before a long rest, and after the rest both groups practice under the same degree of distribution, late in postrest practice the prerest distributed group should be higher, as long as both groups had the same initial level of postrest performance. In an expt. designed to test this prediction, matching of initial levels of postrest performance was achieved by giving more practice before rest to the massed that to the distributed group. The results contradicted the prediction; except for the first few trials, the prerest massed group significantly exceeded the prerest distributed group in postrest performance. It was suggested that conditioned inhibition has not yet been demonstrated in motor learning.
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