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Categorytrue1Mehta, ADIntermodal selective attention in monkeys. I: distribution and timing of effects across visual areas.truetrue
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REVIEWEDtruefalse960false960true1047-32111460-2199JournalFOREIGN104343358343162000This study quantified the magnitude and timing of selective attention effects
across areas of the macaque visual system, including the lateral geniculate
nucleus (LGN), lower cortical areas V1 and V2, and multiple higher visual areas
in the dorsal and ventral processing streams. We used one stimulus configuration
and behavioral paradigm, with simultaneous recordings from different areas to
allow direct comparison of the distribution and timing of attention effects
across the system. Streams of interdigitated auditory and visual stimuli were
presented at a high rate with an irregular interstimulus interval (mean of 4/s).
Attention to visual stimuli was manipulated by requiring subjects to make
discriminative behavioral responses to stimuli in one sensory modality, ignoring
all stimuli in the other. The attended modality was alternated across trial
blocks, and difficulty of discrimination was equated across modalities. Stimulus
presentation was gated, so that no stimuli were presented unless the subject
gazed at the center of the visual stimulus display. Visual stimuli were diffuse
light flashes differing in intensity or color and subtending 12 degrees centered
at the point of gaze. Laminar event-related potential (ERP) and current source
density (CSD) response profiles were sampled during multiple paired penetrations
in multiple visual areas with linear array multicontact electrodes. Attention
effects were assessed by comparing responses to specific visual stimuli when
attended versus when visual stimuli were looked at the same way, but ignored.
Effects were quantified by computing a modulation index (MI), a ratio of the
differential CSD response produced by attention to the sum responses to attended
and ignored visual stimuli. The average MI increased up levels of the lower
visual pathways from none in the LGN to 0.0278 in V1 to 0.101 in V2 to 0.170 in
V4. Above the V2 level, attention effects were larger in ventral stream areas (MI
= 0. 152) than in dorsal stream areas (MI = 0.052). Although onset latencies were
shortest in dorsal stream areas, attentional modulation of the early response was
small relative to the stimulus-evoked response. Higher ventral stream areas
showed substantial attention effects at the earliest poststimulus time points,
followed by the lower visual areas V2 and V1. In all areas, attentional
modulation lagged the onset of the stimulus-evoked response, and attention
effects grew over the time course of the neuronal response. The most powerful,
consistent, and earliest attention effects were those found to occur in area V4,
during the 100-300 ms poststimulus interval. Smaller effects occurred in V2 over
the same interval, and the bulk of attention effects in V1 were later. In the
accompanying paper, we describe the physiology of attention effects in V1, V2 and
V4.2008truetruetruefalsetruefalseNONE2024-03-21false23312332035229216207190232232202202203300233203233203000FolyóiratcikkJournal Article24200KönyvrészletChapter in Book2529KönyvBook234Egyéb konferenciaközleményConference paper310Egyéb konferenciakötetConference proceedings320Oltalmi formákProtection forms260DisszertációThesis280EgyébMiscellaneous290AlkotásAchievement220Kutatási adatResearch data330FolyóiratcikkJournal Article24000KönyvrészletChapter in Book25000KönyvBook23000Egyéb konferenciaközleményConference paper31000Egyéb konferenciakötetConference proceedings32000Oltalmi formákProtection forms26000DisszertációThesis28000EgyébMiscellaneous29000AlkotásAchievement22000Kutatási adatResearch data33000200001111200107676200201210121020030878720040117117200501512151220060131113112007014131413200802017201720090121112112010010101010201101914191420120151515152013015141514201409999201508585201604444201706666201805454201906565202007676202104444202205555202307777D1falsefalsefalsefalse2013-03-07T20:17:30.000+00002013-02-23T19:18:00.000+0000Kognitív Idegtudományi és Pszichológiai Intézet (HRN TTK)117130true1008006710067876Language10002
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AngolEnglishtrue2truePersonAuthorship563796
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20.33333334falsefalseAuthor10001193
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UlbertIstvántrue10001193trueUlbertItruefalsefalseAuthorshipType1
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30.33333334falsetrueSchroederCEtruefalsefalseAuthorshipType1
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<div class="JournalArticle Publication short-list"> <div class="authors"> <span class="author-name" > Mehta, AD </span> <span class="author-type"> </span> ; <span class="author-name" mtid="10001193"> <a href="/gui2/?type=authors&mode=browse&sel=10001193" target="_blank">Ulbert, I</a> </span> <span class="author-type"> </span> ; <span class="author-name" > Schroeder, CE </span> <span class="author-type"> </span> </div ><div class="title"><a href="/gui2/?mode=browse¶ms=publication;1121137" mtid="1121137" target="_blank">Intermodal selective attention in monkeys. I: distribution and timing of effects across visual areas.</a></div> <div class="pub-info"> <span class="journal-title">CEREBRAL CORTEX</span> <span class="journal-volume">10</span> : <span class="journal-issue">4</span> <span class="page"> pp. 343-358. , 16 p. </span> <span class="year">(2000)</span> </div> <div class="pub-end"><div class="identifier-list"> <span class="identifiers"> <span class="id identifier oa_none" title="none"> <a style="color:blue" title="000086123700001" target="_blank" href="https://www.webofscience.com/wos/woscc/full-record/000086123700001"> WoS </a> </span> <span class="id identifier oa_none" title="none"> <a style="color:black" title="0034080946" target="_blank" href="http://www.scopus.com/record/display.url?origin=inward&eid=2-s2.0-0034080946"> Scopus </a> </span> <span class="id identifier oa_none" title="none"> <a style="color:black" title="10769247" target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=10769247&dopt=Abstract"> PubMed </a> </span> </span> </div> <div class="short-pub-prop-list"> <span class="deleted-record">Zárolt</span> <span class="short-pub-mtid"> Közlemény:1121137 </span> <span class="status-holder"><span class="status-data status-ADMIN_APPROVED"> Admin láttamozott </span></span> <span class="pub-core">Forrás </span> <span class="pub-type">Folyóiratcikk (Szakcikk ) </span> <!-- && !record.category.scientific --> <span class="pub-category">Tudományos</span> <div class="publication-citation" style="margin-left: 0.5cm;"> <span title="Nyilvános idézőközlemények összesen, említések nélkül" class="citingPub-count">Nyilvános idéző összesen: 233</span> | Független: 203 | Függő: 30 | Nem jelölt: 0 | WoS jelölt: 207 | Scopus jelölt: 190 | WoS/Scopus jelölt: 232 | DOI jelölt: 216 (Nem nyilvános: 1) </div> </div> </div> </div><div class="JournalArticle Publication long-list"> <div class="authors"> <img title="Forrásközlemény" style="float: left" src="/frontend/resources/grid/publication-core-icon.png"> <div class="autype autype0"> <span class="author-name" >Mehta AD </span> ; <span class="author-name" mtid="10001193"><a href="/gui2/?type=authors&mode=browse&sel=10001193" target="_blank">Ulbert I (<span class="authorship-author-name">Ulbert István</span> <span class="authorAux-mtmt"> Idegtudományok</span>) </a> </span> <span class="author-affil"><span title="HUN-REN Természettudományi Kutatóközpont">HRN TTK</span>/Kognitív Idegtudományi és Pszichológiai Intézet</span> ; <span class="author-name" >Schroeder CE </span> </div> </div> <div class="title"><a href="/gui2/?mode=browse¶ms=publication;1121137" target="_blank">Intermodal selective attention in monkeys. I: distribution and timing of effects across visual areas.</a></div> <div> <span class="journal-title">CEREBRAL CORTEX</span> <span class="journal-issn">(<a target="_blank" href="https://portal.issn.org/resource/ISSN/1047-3211">1047-3211</a> <a target="_blank" href="https://portal.issn.org/resource/ISSN/1460-2199">1460-2199</a>)</span>: <span class="journal-volume">10</span> <span class="journal-issue">4</span> <span class="page"> pp 343-358 </span> <span class="year">(2000)</span> </div> <div class="pub-footer"> <span class="language" xmlns="http://www.w3.org/1999/html">Nyelv: Angol | </span> <span class="identifiers"> <span class="id identifier oa_none" title="none"> <a style="color:blue" title="000086123700001" target="_blank" href="https://www.webofscience.com/wos/woscc/full-record/000086123700001"> WoS </a> </span> <span class="id identifier oa_none" title="none"> <a style="color:black" title="0034080946" target="_blank" href="http://www.scopus.com/record/display.url?origin=inward&eid=2-s2.0-0034080946"> Scopus </a> </span> <span class="id identifier oa_none" title="none"> <a style="color:black" title="10769247" target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=10769247&dopt=Abstract"> PubMed </a> </span> </span> <div class="publication-citation" style="margin-left: 0.5cm;"> <span title="Nyilvános idézőközlemények összesen, említések nélkül" class="citingPub-count">Nyilvános idéző összesen: 233</span> | Független: 203 | Függő: 30 | Nem jelölt: 0 | WoS jelölt: 207 | Scopus jelölt: 190 | WoS/Scopus jelölt: 232 | DOI jelölt: 216 (Nem nyilvános: 1) </div> <div class="mtid"><span class="long-pub-mtid">Közlemény: 1121137</span> | <span class="status-data status-ADMIN_APPROVED"> Admin láttamozott </span> <span class="oldId">Régi azonosító: 1121137</span> | Forrás | <span class="type-subtype">Folyóiratcikk ( Szakcikk ) </span> | <span class="pub-category">Tudományos</span> | <span class="publication-sourceOfData">MEDLINE</span> </div> <div class="lastModified">Utolsó módosítás: 2020.12.05. 14:01 WoS import (admin) </div> <div class="lockedBy">Ideiglenesen zárolva 2021.10.23. 03:51 MTMT API (MTMT API user, admin) Patkósné Hanesz Andrea (MTMT ellenőrzés admin5) </div> </div></div>