Interaction of neocortical lesion size and interoperative experience in retention of a learned brightness discrimination

Lewis Petrinovich, Thomas J. Carew

Research output: Contribution to journalArticle

Abstract

A learned brightness discrimination that would be lost following a bilateral posterior neocortical lesion in rats (Ns = 64 in Exp. I and 74 in Exp. II) can be spared if the tissue is removed in 2 successive unilateral operations. If the lesion involves about 10% of the total neocortex nonspecific visual stimulation is sufficient to obtain sparing; if the lesion involves about 20% of the total neocortex specific practice of the habit is necessary. (PsycINFO Database Record (c) 2006 APA, all rights reserved).

Original languageEnglish (US)
Pages (from-to)451-454
Number of pages4
JournalJournal of Comparative and Physiological Psychology
Volume68
Issue number3
DOIs
StatePublished - Jul 1 1969

Keywords

  • experience between operations, retention of learned brightness discrimination, rat
  • neocortical lesion size &

ASJC Scopus subject areas

  • Medicine(all)

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