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Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/7343

Appears in Collections:Psychology Journal Articles
Peer Review Status: Refereed
Title: Neural correlates of episodic retrieval success
Author(s): Konishi, Seiki
Wheeler, Mark E
Donaldson, David
Buckner, Randy
Contact Email: d.i.donaldson@stir.ac.uk
Issue Date: Sep-2000
Publisher: Elsevier
Citation: Konishi S, Wheeler ME, Donaldson D & Buckner R (2000) Neural correlates of episodic retrieval success, NeuroImage, 12 (3), pp. 276-286.
Abstract: Episodic memory retrieval involves multiple component processes, including those that occur when information is correctly remembered (retrieval success). The present study employed rapid-presentation event-related functional MRI that allowed different trial types with short intertrial intervals to be sorted such that the hemodynamic response associated with retrieval success could be extracted. Specifically, in an old/new episodic recognition task, hit trials (correctly recognized old items) and correct rejection trials (correctly rejected new items) were directly compared. The comparison revealed a mostly left-lateralized set of brain regions. Differential activation was most robust in left lateral parietal cortex and medial parietal cortex. Additional regions of differential activation included left anterior prefrontal cortex at or near Brodmann area 10, anterior insula, thalamus, anterior cingulate cortex, frontal cortex along inferior frontal gyrus, premotor cortex, and presupplementary motor area. These results suggest that left frontal and parietal regions modulate activity based on the successful retrieval of information from episodic memory. We discuss these findings in the context of several recent investigations that provide converging results as well as prior studies that have failed to detect these changes.
Type: Journal Article
URI: http://hdl.handle.net/1893/7343
DOI Link: http://dx.doi.org/10.1006/nimg.2000.0614
Rights: The publisher does not allow this work to be made publicly available in this Repository. Please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author. You can only request a copy if you wish to use this work for your own research or private study.
Affiliation: Washington University In Saint Louis
Washington University In Saint Louis
Psychology
Washington University In Saint Louis

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