Oscillatory brain activity dissociates between associative stimulus content in a repetition priming task in the human EEG

Cerebral Cortex
Thomas Gruber, Matthias M Müller

Abstract

The retrieval and formation of cortical object representations seem to require the activation of neuronal cell assemblies, correlated by synchronized neuronal activity in the gamma band range (>20 Hz). In the present electroencephalogram (EEG) study we have analysed induced gamma band activity during the repetition of familiar (meaningful) and unfamiliar (meaningless) line drawings. Results showed a broad posterior distribution of induced gamma band responses (GBRs) after the initial presentation of a familiar stimulus. Repeated presentations of the same picture resulted in a decrease of GBRs, accompanied by a decrease in the number of electrode pairs exhibiting significant phase-locking values. These effects might be linked to a 'sharpening' mechanism within a cell assembly representing a familiar object. In contrast, the re-presentation of primed unfamiliar stimuli was associated with an augmentation of gamma power and an increase in significantly phase-locked pairs of electrodes. These findings might be a signature of the formation of a new cortical network representing an object. Event related potentials (ERPs) showed a decrease in amplitude independent of the stimuli's associative content, and, thus, seem to play a complem...Continue Reading

Citations

Nov 13, 2008·Cognitive Neurodynamics·Ingo FründChristoph S Herrmann
Mar 10, 2010·Proceedings of the National Academy of Sciences of the United States of America·Samat MoldakarimovTerrence J Sejnowski
May 2, 2012·Developmental Neuropsychology·Joni N Saby, Peter J Marshall
Dec 2, 2006·Cerebral Cortex·Jochen KaiserWerner Lutzenberger
Jan 27, 2007·Cerebral Cortex·Christian F AltmannJochen Kaiser
Feb 3, 2007·Cerebral Cortex·Andreas WidmannErich Schröger
Nov 30, 2006·Journal of Cognitive Neuroscience·Uri HassonSteven L Small
Jun 1, 2007·Journal of Cognitive Neuroscience·Jasna MartinovicMatthias M Müller
Dec 7, 2007·Journal of Cognitive Neuroscience·Victoria SouthgateMark H Johnson
Oct 16, 2008·Journal of Cognitive Neuroscience·Maximilien ChaumonCatherine Tallon-Baudry
May 15, 2008·Journal of Cognitive Neuroscience·Jasna MartinovicMatthias M Müller
Apr 30, 2009·Journal of Cognitive Neuroscience·Elana Zion-GolumbicShlomo Bentin
Jan 28, 2011·Journal of Cognitive Neuroscience·Ruth de Diego-BalaguerAntoni Rodriguez-Fornells
Nov 17, 2005·Behavioral and Brain Functions : BBF·Grace HwangMichael J Kahana
Nov 22, 2008·PloS One·Jasna MartinovicMatthias M Müller
Aug 6, 2011·PloS One·Vasile V MocaRaul C Mureşan
Jan 14, 2012·PloS One·Anne T A Do LamSusanne Weis
Dec 19, 2013·Journal of Cognitive Neuroscience·Chie NakataniCees van Leeuwen
Oct 2, 2007·Neuroscience Letters·R FreunbergerY Höller
Feb 13, 2007·Brain Research Bulletin·Roman FreunbergerSimon Hanslmayr
Mar 21, 2007·Psychophysiology·Noriaki KanayamaHideki Ohira
May 6, 2015·Cognitive, Affective & Behavioral Neuroscience·Nancy A DennisAmy A Overman
Feb 18, 2014·Cerebral Cortex·Jeremy HogeveenSukhvinder S Obhi
Oct 20, 2009·Neuroscience and Biobehavioral Reviews·Wolfgang KlimeschPaul Sauseng
Dec 30, 2014·Frontiers in Human Neuroscience·Inyong ChoiBarbara G Shinn-Cunningham
Feb 7, 2015·Frontiers in Psychology·Elisa M TartagliaNicolas Brunel
Apr 28, 2016·Proceedings of the National Academy of Sciences of the United States of America·Matthew AinsworthMiles A Whittington

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