Forgetting in H.M. A second look

David M. Freed, Suzanne Corkin, Neal J. Cohen

Research output: Contribution to journalArticlepeer-review


Forgetting was assessed in the amnesic patient H.M. using forced-choice and yes-no picture recognition at four delay intervals: 10 min, 24 hr, 72 hr, and 1 week after learning. In order to make H.M.'s initial recognition performance comparable to that of control subjects who viewed each slide for 1 sec, H.M. viewed each slide for 20 sec. H.M. displayed normal forgetting in forced-choice and yes-no recognition, although he was impaired in yes-no recognition at the 24-hr delay interval. These data contradict Huppert and Piercy's hypothesis that medial temporal-lobe pathology is associated with rapid forgetting.

Original languageEnglish (US)
Pages (from-to)461-471
Number of pages11
Issue number3
StatePublished - 1987
Externally publishedYes

ASJC Scopus subject areas

  • Experimental and Cognitive Psychology
  • Cognitive Neuroscience
  • Behavioral Neuroscience


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