Attention protects the fidelity of visual memory: Behavioral and electrophysiological evidence
Identifieur interne : 001727 ( Ncbi/Curation ); précédent : 001726; suivant : 001728Attention protects the fidelity of visual memory: Behavioral and electrophysiological evidence
Auteurs : Jie Huang ; Robert SekulerSource :
- The Journal of neuroscience : the official journal of the Society for Neuroscience [ 0270-6474 ] ; 2010.
Abstract
Recall from visual memory is vulnerable to the influence of task-irrelevant information, including the remembered, prototypical value of stimuli seen previously.
Url:
DOI: 10.1523/JNEUROSCI.2560-10.2010
PubMed: 20926672
PubMed Central: 2972661
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PMC:2972661Le document en format XML
<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Attention protects the fidelity of visual memory: Behavioral and electrophysiological evidence</title><author><name sortKey="Huang, Jie" sort="Huang, Jie" uniqKey="Huang J" first="Jie" last="Huang">Jie Huang</name></author><author><name sortKey="Sekuler, Robert" sort="Sekuler, Robert" uniqKey="Sekuler R" first="Robert" last="Sekuler">Robert Sekuler</name></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">20926672</idno><idno type="pmc">2972661</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2972661</idno><idno type="RBID">PMC:2972661</idno><idno type="doi">10.1523/JNEUROSCI.2560-10.2010</idno><date when="2010">2010</date><idno type="wicri:Area/Pmc/Corpus">000F97</idno><idno type="wicri:Area/Pmc/Curation">000F97</idno><idno type="wicri:Area/Pmc/Checkpoint">001F53</idno><idno type="wicri:Area/Ncbi/Merge">001727</idno><idno type="wicri:Area/Ncbi/Curation">001727</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Attention protects the fidelity of visual memory: Behavioral and electrophysiological evidence</title><author><name sortKey="Huang, Jie" sort="Huang, Jie" uniqKey="Huang J" first="Jie" last="Huang">Jie Huang</name></author><author><name sortKey="Sekuler, Robert" sort="Sekuler, Robert" uniqKey="Sekuler R" first="Robert" last="Sekuler">Robert Sekuler</name></author></analytic><series><title level="j">The Journal of neuroscience : the official journal of the Society for Neuroscience</title><idno type="ISSN">0270-6474</idno><idno type="eISSN">1529-2401</idno><imprint><date when="2010">2010</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p id="P1">Recall from visual memory is vulnerable to the influence of task-irrelevant information, including the remembered, prototypical value of stimuli seen previously. <xref ref-type="bibr" rid="R52">Wilken and Ma (2004)</xref> proposed that this distortion of recall was actually adaptive, with the task-irrelevant information compensating for imperfections of memory. We tested their proposal, using trial-by-trial oscillations in the electroencephalogram's alpha band (8–14 Hz) collected from human subjects as a marker for the strength of visual attention. Subjects' recall of stimulus spatial frequency showed a systematic error, namely a shift toward the prototypical value of previously-seen stimuli. The magnitude of this Prototype effect was strongly related to the amplitude of alpha band oscillations recorded at posterior sensor locations during the first 100 msec after stimulus onset. Our results support the hypothesis that the Prototype effect is compensatory for imprecision in memory. Moreover, the attentional modulation of alpha activity during the encoding of the target stimulus is consistent with the view that attention sharpens the neural responses that are elicited by the task-relevant stimulus.</p></div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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