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The neural substrates of recollection and familiarity

Published online by Cambridge University Press:  01 June 1999

Andrew P. Yonelinas
Affiliation:
Department of Psychology, University of California at Davis, Davis, CA 95616 {apyonelinas; neakroll; igdobbins; mmlazzara}@ucdavis.edu
Neal E. A. Kroll
Affiliation:
Department of Psychology, University of California at Davis, Davis, CA 95616 {apyonelinas; neakroll; igdobbins; mmlazzara}@ucdavis.edu
Ian G. Dobbins
Affiliation:
Department of Psychology, University of California at Davis, Davis, CA 95616 {apyonelinas; neakroll; igdobbins; mmlazzara}@ucdavis.edu
Michele Lazzara
Affiliation:
Department of Psychology, University of California at Davis, Davis, CA 95616 {apyonelinas; neakroll; igdobbins; mmlazzara}@ucdavis.edu
Robert T. Knight
Affiliation:
Department of Psychology, University of California at Berkeley, Berkeley, CA 94720 rtknight@socrates.berkeley.edu

Abstract

Aggleton & Brown argue that a hippocampal-anterior thalamic system supports the “recollection” of contextual information about previous events, and that a separate perirhinal-medial dorsal thalamic system supports detection of stimulus “familiarity.” Although there is a growing body of human literature that is in agreement with these claims, when recollection and familiarity have been examined in amnesics using the process dissociation or the remember/know procedures, the results do not seem to provide consistent support. We reexamine these studies and describe the results of an additional experiment using a receiver operating characteristic (ROC) technique. The results of the reanalysis and the ROC experiment are consistent with Aggleton & Brown's proposal. Patients with damage to both regions exhibit severe deficits in recollection and smaller, but consistent, deficits in familiarity.

Type
Open Peer Commentary
Copyright
© 1999 Cambridge University Press

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