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| Research article summary (published 17 Dec 2002): |
The role of medial temporal lobe structures in implicit learning: an event-related FMRI study.
Full Abstract
The medial temporal lobe (MTL) has been associated with declarative learning of flexible relational rules and the basal ganglia with implicit learning of stimulus-response mappings. It remains an open question of whether MTL or basal ganglia are involved when learning flexible relational contingencies without awareness. We studied learning of an explicit stimulus-response association with fMRI. Embedded in this explicit task was a hidden structure that was learnt implicitly. Implicit learning of the sequential regularities of the "hidden rule" activated the ventral perirhinal cortex, within the MTL, whereas learning the fixed stimulus-response associations activated the basal ganglia, indicating that the function of the MTL and the basal ganglia depends on the learned material and not necessarily on the participants' awareness.
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Author information
Author/s: Rose, Michael (M); Haider, Hilde (H); Weiller, Cornelius (C); Büchel, Christian (C);
Affiliation: Cognitive Neuroscience Laboratory, Department of Neurology, University of Hamburg Medical School, D-20246, Hamburg, Germany. rose(-atsign-)uke.uni-hamburg.de
Journal and publication information
Publication Type: Journal Article; Research Support, Non-U.S. Gov't
Journal: Neuron (Neuron), published in United States. (Language: eng)
Reference: 2002-Dec; vol 36 (issue 6) : pp 1221-31
Dates: Created 2002/12/23; Completed 2003/01/23; Revised 2006/11/15;
PMID: 12495634, status: MEDLINE (last retrieval date: 11/6/2008)
Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.
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