Performance- and stimulus-dependent oscillations in monkey prefrontal cortex during short-term memory

  • Short-term memory requires the coordination of sub-processes like encoding, retention, retrieval and comparison of stored material to subsequent input. Neuronal oscillations have an inherent time structure, can effectively coordinate synaptic integration of large neuron populations and could therefore organize and integrate distributed sub-processes in time and space. We observed field potential oscillations (14–95 Hz) in ventral prefrontal cortex of monkeys performing a visual memory task. Stimulus-selective and performance-dependent oscillations occurred simultaneously at 65–95 Hz and 14–50 Hz, the latter being phase-locked throughout memory maintenance. We propose that prefrontal oscillatory activity may be instrumental for the dynamical integration of local and global neuronal processes underlying short-term memory.

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Author:Gordon PipaORCiDGND, Ellen Städtler, Eugenio F. Rodriguez, James A. Waltz, Lars MuckliORCiDGND, Wolf SingerORCiDGND, Rainer GoebelORCiDGND, Matthias Hans Joachim MunkORCiDGND
Pubmed Id:
Parent Title (English):Frontiers in integrative neuroscience
Publisher:Frontiers Research Foundation
Place of publication:Lausanne
Contributor(s):Rui M. Costa
Document Type:Article
Date of Publication (online):2010/09/16
Year of first Publication:2009
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2010/09/16
Tag:behavioral performance; local field potential; prefrontal cortex; stimulus coding; visual short-term memory
Issue:Art. 25
Page Number:13
First Page:1
Last Page:13
Copyright: © 2009 Pipa, Städtler, Rodriguez, Waltz, Muckli, Singer, Goebel and Munk. This is an open-access article subject to an exclusive license agreement between the authors and the Frontiers Research Foundation, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are credited.
Source:Frontiers in integrative neuroscience, 3: 25. ; doi: 10.3389/neuro.07.025.2009
Institutes:Physik / Physik
Medizin / Medizin
Wissenschaftliche Zentren und koordinierte Programme / Frankfurt Institute for Advanced Studies (FIAS)
Angeschlossene und kooperierende Institutionen / MPI für Hirnforschung
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 59 Tiere (Zoologie) / 590 Tiere (Zoologie)
Sammlung Biologie / Sondersammelgebiets-Volltexte
Licence (German):License LogoDeutsches Urheberrecht