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Feeling-of-knowing in episodic memory: an event-related fMRI study Anat Maril,a,

Summary: Feeling-of-knowing in episodic memory: an event-related fMRI study
Anat Maril,a,
* Jon S. Simons,a,b
Jason P. Mitchell,a
Bennett L. Schwartz,c
and Daniel L. Schactera
Department of Psychology, Harvard University, Cambridge, MA 02138, USA
Institute of Cognitive Neuroscience, University College London, London, UK
Department of Psychology, Florida International University, Miami, FL, USA
Received 8 May 2002; revised 30 October 2002; accepted 21 November 2002
An individual may fail to recall an item from memory but still feel that it would be recognized on a later test, a retrieval state termed
the "feeling-of-knowing" (FOK). In this study we used event-related fMRI and the FOK to examine both encoding- and retrieval-related
factors that are associated with different levels of recall performance: successful retrieval of a previously studied item, retrieval failure
accompanied by the FOK, and retrieval failure without any FOK. The results revealed one predominant pattern of retrieval-related
activation: an intermediate level of activation for FOK--less than that associated with successful recall and greater than that associated with
unsuccessful recall (frontal and left parietal cortices). Two further patterns were also observed: greater activation for both successful recall


Source: Anat, Maril, - Departments of Psychology & Cognitive Science, Hebrew University of Jerusalem
Schacter, Daniel - Department of Psychology, Harvard University


Collections: Biology and Medicine