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N270 sensitivity to conflict strength and working memory: A combined ERP and sLORETA study
•We create an audiovisual conflict task with simultaneous target and distractor.•We assess the N270 sensitivity to the conflict strength and the working memory.•The conflict cost is higher for the auditory target than for the visual target.•The N270 is sensitive to the conflict strength and the load...
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Published in: | Behavioural brain research 2016-01, Vol.297, p.231-240 |
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description | •We create an audiovisual conflict task with simultaneous target and distractor.•We assess the N270 sensitivity to the conflict strength and the working memory.•The conflict cost is higher for the auditory target than for the visual target.•The N270 is sensitive to the conflict strength and the load in working memory.•Conflict processing and working memory share common neural subtract.
The event-related potential N270 component is known to be an electrophysiological marker of the supramodal conflict processing. However little is know about the factors that may modulate its amplitude. In particular, among all studies that have investigated the N270, little or no control of the conflict strength and of the load in working memory have been done leaving a lack in the understanding of this component. We designed a spatial audiovisual conflict task with simultaneous target and cross-modal distractor to evaluate the N270 sensitivity to the conflict strength (i.e., visual target with auditory distractor or auditory target with visual distractor) and the load in working memory (goal task maintenance with frequent change in the target modality). In a first session, participants had to focus on one modality for the target position to be considered (left-hand or right-hand) while the distractor could be at the same side (compatible) or at opposite side (incompatible). In a second session, we used the same set of stimuli as in the first session with an additional distinct auditory signal that clued the participants to frequently switch between the auditory and the visual targets. We found that (1) reaction times and N270 amplitudes for conflicting situations were larger within the auditory target condition compared to the visual one, (2) the increase in target maintenance effort led to equivalent increase of both reaction times and N270 amplitudes within all conditions and (3) the right dorsolateral prefrontal cortex current density was higher for both conflicting and active maintenance of the target situations. These results provide new evidence that the N270 component is an electrophysiological marker of the supramodal conflict processing that is sensitive to the conflict strength and that conflict processing and active maintenance of the task goal are two functions of a common executive attention system. |
doi_str_mv | 10.1016/j.bbr.2015.10.014 |
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The event-related potential N270 component is known to be an electrophysiological marker of the supramodal conflict processing. However little is know about the factors that may modulate its amplitude. In particular, among all studies that have investigated the N270, little or no control of the conflict strength and of the load in working memory have been done leaving a lack in the understanding of this component. We designed a spatial audiovisual conflict task with simultaneous target and cross-modal distractor to evaluate the N270 sensitivity to the conflict strength (i.e., visual target with auditory distractor or auditory target with visual distractor) and the load in working memory (goal task maintenance with frequent change in the target modality). In a first session, participants had to focus on one modality for the target position to be considered (left-hand or right-hand) while the distractor could be at the same side (compatible) or at opposite side (incompatible). In a second session, we used the same set of stimuli as in the first session with an additional distinct auditory signal that clued the participants to frequently switch between the auditory and the visual targets. We found that (1) reaction times and N270 amplitudes for conflicting situations were larger within the auditory target condition compared to the visual one, (2) the increase in target maintenance effort led to equivalent increase of both reaction times and N270 amplitudes within all conditions and (3) the right dorsolateral prefrontal cortex current density was higher for both conflicting and active maintenance of the target situations. These results provide new evidence that the N270 component is an electrophysiological marker of the supramodal conflict processing that is sensitive to the conflict strength and that conflict processing and active maintenance of the task goal are two functions of a common executive attention system.</description><identifier>ISSN: 0166-4328</identifier><identifier>EISSN: 1872-7549</identifier><identifier>DOI: 10.1016/j.bbr.2015.10.014</identifier><identifier>PMID: 26477377</identifier><language>eng</language><publisher>Netherlands: Elsevier B.V</publisher><subject>Acoustic Stimulation - methods ; Auditory Perception - physiology ; Brain - physiology ; Brain Mapping ; Cognitive science ; Conflict (Psychology) ; Cues ; Dorsolateral prefrontal cortex ; Electroencephalography ; Evoked Potentials ; Executive attention ; Female ; Humans ; Male ; Memory, Short-Term - physiology ; Middle Aged ; N270 ; Neuropsychological Tests ; Neuroscience ; Photic Stimulation - methods ; Reaction Time ; sLORETA ; Software ; Supramodal conflict processing ; Visual Perception - physiology ; Working memory</subject><ispartof>Behavioural brain research, 2016-01, Vol.297, p.231-240</ispartof><rights>2015 Elsevier B.V.</rights><rights>Copyright © 2015 Elsevier B.V. All rights reserved.</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c463t-2072aaf2233f96b964b027f7841e01433162e855606b03cc85f9b8d52a5a89773</citedby><cites>FETCH-LOGICAL-c463t-2072aaf2233f96b964b027f7841e01433162e855606b03cc85f9b8d52a5a89773</cites><orcidid>0000-0003-3963-5655 ; 0000-0002-9850-296X ; 0000-0002-7161-4689</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,776,780,881,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/26477377$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink><backlink>$$Uhttps://hal.science/hal-01982173$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Scannella, Sébastien</creatorcontrib><creatorcontrib>Pariente, Jérémie</creatorcontrib><creatorcontrib>De Boissezon, Xavier</creatorcontrib><creatorcontrib>Castel-Lacanal, Evelyne</creatorcontrib><creatorcontrib>Chauveau, Nicolas</creatorcontrib><creatorcontrib>Causse, Mickaël</creatorcontrib><creatorcontrib>Dehais, Frédéric</creatorcontrib><creatorcontrib>Pastor, Josette</creatorcontrib><title>N270 sensitivity to conflict strength and working memory: A combined ERP and sLORETA study</title><title>Behavioural brain research</title><addtitle>Behav Brain Res</addtitle><description>•We create an audiovisual conflict task with simultaneous target and distractor.•We assess the N270 sensitivity to the conflict strength and the working memory.•The conflict cost is higher for the auditory target than for the visual target.•The N270 is sensitive to the conflict strength and the load in working memory.•Conflict processing and working memory share common neural subtract.
The event-related potential N270 component is known to be an electrophysiological marker of the supramodal conflict processing. However little is know about the factors that may modulate its amplitude. In particular, among all studies that have investigated the N270, little or no control of the conflict strength and of the load in working memory have been done leaving a lack in the understanding of this component. We designed a spatial audiovisual conflict task with simultaneous target and cross-modal distractor to evaluate the N270 sensitivity to the conflict strength (i.e., visual target with auditory distractor or auditory target with visual distractor) and the load in working memory (goal task maintenance with frequent change in the target modality). In a first session, participants had to focus on one modality for the target position to be considered (left-hand or right-hand) while the distractor could be at the same side (compatible) or at opposite side (incompatible). In a second session, we used the same set of stimuli as in the first session with an additional distinct auditory signal that clued the participants to frequently switch between the auditory and the visual targets. We found that (1) reaction times and N270 amplitudes for conflicting situations were larger within the auditory target condition compared to the visual one, (2) the increase in target maintenance effort led to equivalent increase of both reaction times and N270 amplitudes within all conditions and (3) the right dorsolateral prefrontal cortex current density was higher for both conflicting and active maintenance of the target situations. These results provide new evidence that the N270 component is an electrophysiological marker of the supramodal conflict processing that is sensitive to the conflict strength and that conflict processing and active maintenance of the task goal are two functions of a common executive attention system.</description><subject>Acoustic Stimulation - methods</subject><subject>Auditory Perception - physiology</subject><subject>Brain - physiology</subject><subject>Brain Mapping</subject><subject>Cognitive science</subject><subject>Conflict (Psychology)</subject><subject>Cues</subject><subject>Dorsolateral prefrontal cortex</subject><subject>Electroencephalography</subject><subject>Evoked Potentials</subject><subject>Executive attention</subject><subject>Female</subject><subject>Humans</subject><subject>Male</subject><subject>Memory, Short-Term - physiology</subject><subject>Middle Aged</subject><subject>N270</subject><subject>Neuropsychological Tests</subject><subject>Neuroscience</subject><subject>Photic Stimulation - methods</subject><subject>Reaction Time</subject><subject>sLORETA</subject><subject>Software</subject><subject>Supramodal conflict processing</subject><subject>Visual Perception - physiology</subject><subject>Working memory</subject><issn>0166-4328</issn><issn>1872-7549</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNqNkU9PGzEQxS1EBWnaD8AF-UgPm_q_veUUobRUikqF6KUXy-v1gtPdNdhOqnz7ehvKEfU0mtFvnubNA-AMowVGWHzcLJomLgjCvPQLhNkRmGElSSU5q4_BrDCiYpSoU_A2pQ1CiCGOT8ApEUxKKuUM_PxGJILJjclnv_N5D3OANoxd722GKUc33ucHaMYW_g7xlx_v4eCGEPef4LJwQ-NH18LV7fe_SFrf3K7ulmVv2-7fgTed6ZN7_1zn4Mfn1d3VdbW--fL1armuLBM0VwRJYkxHCKVdLZpasAYR2UnFsCuWKMWCOMW5QKJB1FrFu7pRLSeGG1UXG3Pw4aD7YHr9GP1g4l4H4_X1cq2nGcK1IljSHS7sxYF9jOFp61LWg0_W9b0ZXdgmjaXihApc_w_KaoEZE6yg-IDaGFKKrns5AyM9JaU3uiSlp6Sm0WRrDs6f5bfN4NqXjX_RFODyALjyu513USfr3Whd66OzWbfBvyL_Bz4kn38</recordid><startdate>20160115</startdate><enddate>20160115</enddate><creator>Scannella, Sébastien</creator><creator>Pariente, Jérémie</creator><creator>De Boissezon, Xavier</creator><creator>Castel-Lacanal, Evelyne</creator><creator>Chauveau, Nicolas</creator><creator>Causse, Mickaël</creator><creator>Dehais, Frédéric</creator><creator>Pastor, Josette</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7QG</scope><scope>7TK</scope><scope>1XC</scope><scope>VOOES</scope><orcidid>https://orcid.org/0000-0003-3963-5655</orcidid><orcidid>https://orcid.org/0000-0002-9850-296X</orcidid><orcidid>https://orcid.org/0000-0002-7161-4689</orcidid></search><sort><creationdate>20160115</creationdate><title>N270 sensitivity to conflict strength and working memory: A combined ERP and sLORETA study</title><author>Scannella, Sébastien ; Pariente, Jérémie ; De Boissezon, Xavier ; Castel-Lacanal, Evelyne ; Chauveau, Nicolas ; Causse, Mickaël ; Dehais, Frédéric ; Pastor, Josette</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c463t-2072aaf2233f96b964b027f7841e01433162e855606b03cc85f9b8d52a5a89773</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Acoustic Stimulation - methods</topic><topic>Auditory Perception - physiology</topic><topic>Brain - physiology</topic><topic>Brain Mapping</topic><topic>Cognitive science</topic><topic>Conflict (Psychology)</topic><topic>Cues</topic><topic>Dorsolateral prefrontal cortex</topic><topic>Electroencephalography</topic><topic>Evoked Potentials</topic><topic>Executive attention</topic><topic>Female</topic><topic>Humans</topic><topic>Male</topic><topic>Memory, Short-Term - physiology</topic><topic>Middle Aged</topic><topic>N270</topic><topic>Neuropsychological Tests</topic><topic>Neuroscience</topic><topic>Photic Stimulation - methods</topic><topic>Reaction Time</topic><topic>sLORETA</topic><topic>Software</topic><topic>Supramodal conflict processing</topic><topic>Visual Perception - physiology</topic><topic>Working memory</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Scannella, Sébastien</creatorcontrib><creatorcontrib>Pariente, Jérémie</creatorcontrib><creatorcontrib>De Boissezon, Xavier</creatorcontrib><creatorcontrib>Castel-Lacanal, Evelyne</creatorcontrib><creatorcontrib>Chauveau, Nicolas</creatorcontrib><creatorcontrib>Causse, Mickaël</creatorcontrib><creatorcontrib>Dehais, Frédéric</creatorcontrib><creatorcontrib>Pastor, Josette</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Animal Behavior Abstracts</collection><collection>Neurosciences Abstracts</collection><collection>Hyper Article en Ligne (HAL)</collection><collection>Hyper Article en Ligne (HAL) (Open Access)</collection><jtitle>Behavioural brain research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Scannella, Sébastien</au><au>Pariente, Jérémie</au><au>De Boissezon, Xavier</au><au>Castel-Lacanal, Evelyne</au><au>Chauveau, Nicolas</au><au>Causse, Mickaël</au><au>Dehais, Frédéric</au><au>Pastor, Josette</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>N270 sensitivity to conflict strength and working memory: A combined ERP and sLORETA study</atitle><jtitle>Behavioural brain research</jtitle><addtitle>Behav Brain Res</addtitle><date>2016-01-15</date><risdate>2016</risdate><volume>297</volume><spage>231</spage><epage>240</epage><pages>231-240</pages><issn>0166-4328</issn><eissn>1872-7549</eissn><abstract>•We create an audiovisual conflict task with simultaneous target and distractor.•We assess the N270 sensitivity to the conflict strength and the working memory.•The conflict cost is higher for the auditory target than for the visual target.•The N270 is sensitive to the conflict strength and the load in working memory.•Conflict processing and working memory share common neural subtract.
The event-related potential N270 component is known to be an electrophysiological marker of the supramodal conflict processing. However little is know about the factors that may modulate its amplitude. In particular, among all studies that have investigated the N270, little or no control of the conflict strength and of the load in working memory have been done leaving a lack in the understanding of this component. We designed a spatial audiovisual conflict task with simultaneous target and cross-modal distractor to evaluate the N270 sensitivity to the conflict strength (i.e., visual target with auditory distractor or auditory target with visual distractor) and the load in working memory (goal task maintenance with frequent change in the target modality). In a first session, participants had to focus on one modality for the target position to be considered (left-hand or right-hand) while the distractor could be at the same side (compatible) or at opposite side (incompatible). In a second session, we used the same set of stimuli as in the first session with an additional distinct auditory signal that clued the participants to frequently switch between the auditory and the visual targets. We found that (1) reaction times and N270 amplitudes for conflicting situations were larger within the auditory target condition compared to the visual one, (2) the increase in target maintenance effort led to equivalent increase of both reaction times and N270 amplitudes within all conditions and (3) the right dorsolateral prefrontal cortex current density was higher for both conflicting and active maintenance of the target situations. These results provide new evidence that the N270 component is an electrophysiological marker of the supramodal conflict processing that is sensitive to the conflict strength and that conflict processing and active maintenance of the task goal are two functions of a common executive attention system.</abstract><cop>Netherlands</cop><pub>Elsevier B.V</pub><pmid>26477377</pmid><doi>10.1016/j.bbr.2015.10.014</doi><tpages>10</tpages><orcidid>https://orcid.org/0000-0003-3963-5655</orcidid><orcidid>https://orcid.org/0000-0002-9850-296X</orcidid><orcidid>https://orcid.org/0000-0002-7161-4689</orcidid><oa>free_for_read</oa></addata></record> |
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subjects | Acoustic Stimulation - methods Auditory Perception - physiology Brain - physiology Brain Mapping Cognitive science Conflict (Psychology) Cues Dorsolateral prefrontal cortex Electroencephalography Evoked Potentials Executive attention Female Humans Male Memory, Short-Term - physiology Middle Aged N270 Neuropsychological Tests Neuroscience Photic Stimulation - methods Reaction Time sLORETA Software Supramodal conflict processing Visual Perception - physiology Working memory |
title | N270 sensitivity to conflict strength and working memory: A combined ERP and sLORETA study |
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