After producing cortical lesions resulting in transfer of handedness a systematic study of reeducation was instituted, but with little success. What successful reeducation did take place did not appear to be related to age, locus or size of lesion, delay in retraining or amount of retraining. "The most significant finding is a distinct limitation in reeducation of preferential handedness in the rat following cerebral injury." (PsycINFO Database Record (c) 2006 APA, all rights reserved)