{"id":"https://openalex.org/W2076754454","doi":"https://doi.org/10.1097/00001756-200308060-00009","title":"A new electrophysiological index for working memory load in humans","display_name":"A new electrophysiological index for working memory load in humans","publication_year":2003,"publication_date":"2003-08-01","ids":{"openalex":"https://openalex.org/W2076754454","doi":"https://doi.org/10.1097/00001756-200308060-00009","mag":"2076754454","pmid":"https://pubmed.ncbi.nlm.nih.gov/12960762"},"language":"en","primary_location":{"id":"doi:10.1097/00001756-200308060-00009","doi":"https://doi.org/10.1097/00001756-200308060-00009","is_oa":false,"landing_page_url":"https://doi.org/10.1097/00001756-200308060-00009","pdf_url":null,"source":{"id":"https://openalex.org/S121278948","display_name":"Neuroreport","issn_l":"0959-4965","issn":["0959-4965","1473-558X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-d","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310315671","host_organization_name":"Lippincott Williams & Wilkins","host_organization_lineage":["https://openalex.org/P4310315671","https://openalex.org/P4310318547"],"host_organization_lineage_names":["Lippincott Williams & Wilkins","Wolters Kluwer"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"NeuroReport","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5091900786","display_name":"Pascal Missonnier","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210106256","display_name":"University Hospital of Geneva","ror":"https://ror.org/01m1pv723","country_code":"CH","type":"healthcare","lineage":["https://openalex.org/I4210106256"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Pascal Missonnier","raw_affiliation_strings":["Neuroimaging Unit, Clinic of Geriatric Psychiatry, Department of Psychiatry, University Hospitals of Geneva, Chemin du Petit-Bel-Air 2, CH-1225 Ch\u00eane-Bourg, Geneva, Switzerland. Pascal.missonnier-evrard@hcuge.ch","Clinic of Geriatric Psychiatry, Department of Psychiatry","Neuroimaging Unit"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Neuroimaging Unit, Clinic of Geriatric Psychiatry, Department of Psychiatry, University Hospitals of Geneva, Chemin du Petit-Bel-Air 2, CH-1225 Ch\u00eane-Bourg, Geneva, Switzerland. Pascal.missonnier-evrard@hcuge.ch","institution_ids":["https://openalex.org/I4210106256"]},{"raw_affiliation_string":"Clinic of Geriatric Psychiatry, Department of Psychiatry","institution_ids":[]},{"raw_affiliation_string":"Neuroimaging Unit","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5074539549","display_name":"Ute Leonards","orcid":"https://orcid.org/0000-0001-6143-7466","observed_orcids":["https://orcid.org/0000-0001-6143-7466"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ute Leonards","raw_affiliation_strings":["Neuroimaging Unit"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Neuroimaging Unit","institution_ids":[]}]},{"author_position":"middle","author":{"id":null,"display_name":"Gabriel Gold","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210106256","display_name":"University Hospital of Geneva","ror":"https://ror.org/01m1pv723","country_code":"CH","type":"healthcare","lineage":["https://openalex.org/I4210106256"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Gabriel Gold","raw_affiliation_strings":["Department of Geriatrics, University Hospitals of Geneva, Chemin du Petit-Bel-Air 2, CH-1225 Ch\u00eane-Bourg, GE"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Geriatrics, University Hospitals of Geneva, Chemin du Petit-Bel-Air 2, CH-1225 Ch\u00eane-Bourg, GE","institution_ids":["https://openalex.org/I4210106256"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5051443636","display_name":"Julie Palix","orcid":"https://orcid.org/0000-0001-5204-0248","observed_orcids":["https://orcid.org/0000-0001-5204-0248"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Julie Palix","raw_affiliation_strings":["Neuroimaging Unit"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Neuroimaging Unit","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5049390167","display_name":"Vincente Ib\u00e1\u00f1ez","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Vincente Ib\u00e1\u00f1ez","raw_affiliation_strings":["Neuroimaging Unit"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Neuroimaging Unit","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5009763387","display_name":"Pant\u00e9leimon Giannakopoulos","orcid":"https://orcid.org/0000-0003-4624-7386","observed_orcids":["https://orcid.org/0000-0003-4624-7386"]},"institutions":[{"id":"https://openalex.org/I2802229882","display_name":"Centre Hospitalier Universitaire Vaudois","ror":"https://ror.org/05a353079","country_code":"CH","type":"healthcare","lineage":["https://openalex.org/I2802229882"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Panteleimon Giannakopoulos","raw_affiliation_strings":["Clinic of Geriatric Psychiatry, Department of Psychiatry","Service of Psychogeriatrics, University Hospitals of Lausanne, 1008 Prilly, Switzerland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Clinic of Geriatric Psychiatry, Department of Psychiatry","institution_ids":[]},{"raw_affiliation_string":"Service of Psychogeriatrics, University Hospitals of Lausanne, 1008 Prilly, Switzerland","institution_ids":["https://openalex.org/I2802229882"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.7117,"has_fulltext":false,"cited_by_count":47,"citation_normalized_percentile":{"value":0.65090135,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":98},"biblio":{"volume":"14","issue":"11","first_page":"1451","last_page":"1455"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10042","display_name":"Neural and Behavioral Psychology Studies","score":0.6801999807357788,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},"topics":[{"id":"https://openalex.org/T10042","display_name":"Neural and Behavioral Psychology Studies","score":0.6801999807357788,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11577","display_name":"Cognitive Abilities and Testing","score":0.25760000944137573,"subfield":{"id":"https://openalex.org/subfields/3205","display_name":"Experimental and Cognitive Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10581","display_name":"Neural dynamics and brain function","score":0.04019999876618385,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/working-memory-load","display_name":"working memory load","score":0.9319999814033508},{"id":"https://openalex.org/keywords/event-related-potentials","display_name":"event-related potentials","score":0.8050000071525574},{"id":"https://openalex.org/keywords/n-back-task","display_name":"n-back task","score":0.902999997138977},{"id":"https://openalex.org/keywords/p200","display_name":"P200","score":0.8629999756813049},{"id":"https://openalex.org/keywords/n2-component","display_name":"N2 component","score":0.996999979019165},{"id":"https://openalex.org/keywords/independent-component-analysis","display_name":"independent component analysis","score":0.8820000290870667},{"id":"https://openalex.org/keywords/neuropsychiatric-disorders","display_name":"neuropsychiatric disorders","score":0.7609999775886536}],"concepts":[{"id":"https://openalex.org/C21963081","wikidata":"https://www.wikidata.org/wiki/Q11337567","display_name":"Working memory","level":3,"score":0.8554573059082031},{"id":"https://openalex.org/C185263204","wikidata":"https://www.wikidata.org/wiki/Q1154774","display_name":"Electrophysiology","level":2,"score":0.7857112288475037},{"id":"https://openalex.org/C67359045","wikidata":"https://www.wikidata.org/wiki/Q14026181","display_name":"Event-related potential","level":3,"score":0.6945932507514954},{"id":"https://openalex.org/C169760540","wikidata":"https://www.wikidata.org/wiki/Q207011","display_name":"Neuroscience","level":1,"score":0.5956411361694336},{"id":"https://openalex.org/C2779918689","wikidata":"https://www.wikidata.org/wiki/Q3771842","display_name":"Stimulus (psychology)","level":2,"score":0.5707005262374878},{"id":"https://openalex.org/C522805319","wikidata":"https://www.wikidata.org/wiki/Q179965","display_name":"Electroencephalography","level":2,"score":0.5679473876953125},{"id":"https://openalex.org/C169900460","wikidata":"https://www.wikidata.org/wiki/Q2200417","display_name":"Cognition","level":2,"score":0.5383068323135376},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.5274089574813843},{"id":"https://openalex.org/C142933453","wikidata":"https://www.wikidata.org/wiki/Q7117840","display_name":"P200","level":4,"score":0.44623735547065735},{"id":"https://openalex.org/C548259974","wikidata":"https://www.wikidata.org/wiki/Q569965","display_name":"Audiology","level":1,"score":0.367651104927063},{"id":"https://openalex.org/C180747234","wikidata":"https://www.wikidata.org/wiki/Q23373","display_name":"Cognitive psychology","level":1,"score":0.21272945404052734},{"id":"https://openalex.org/C26760741","wikidata":"https://www.wikidata.org/wiki/Q160402","display_name":"Perception","level":2,"score":0.19978082180023193},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.17921721935272217},{"id":"https://openalex.org/C178253425","wikidata":"https://www.wikidata.org/wiki/Q162668","display_name":"Visual perception","level":3,"score":0.10199606418609619}],"mesh":[{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D001931","descriptor_name":"Brain Mapping","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D004569","descriptor_name":"Electroencephalography","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D004594","descriptor_name":"Electrophysiology","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D005074","descriptor_name":"Evoked Potentials, Visual","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008570","descriptor_name":"Memory, Short-Term","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":true},{"descriptor_ui":"D010775","descriptor_name":"Photic Stimulation","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011932","descriptor_name":"Reading","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D025341","descriptor_name":"Principal Component Analysis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":6,"locations":[{"id":"doi:10.1097/00001756-200308060-00009","doi":"https://doi.org/10.1097/00001756-200308060-00009","is_oa":false,"landing_page_url":"https://doi.org/10.1097/00001756-200308060-00009","pdf_url":null,"source":{"id":"https://openalex.org/S121278948","display_name":"Neuroreport","issn_l":"0959-4965","issn":["0959-4965","1473-558X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-d","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310315671","host_organization_name":"Lippincott Williams & Wilkins","host_organization_lineage":["https://openalex.org/P4310315671","https://openalex.org/P4310318547"],"host_organization_lineage_names":["Lippincott Williams & Wilkins","Wolters Kluwer"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"NeuroReport","raw_type":"journal-article"},{"id":"pmid:12960762","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/12960762","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Neuroreport","raw_type":"Clinical Trial"},{"id":"pmh:oai:research-information.bris.ac.uk:openaire_cris_publications/0ccca856-11f5-4b05-9bbd-f8f559d79e5f","doi":null,"is_oa":false,"landing_page_url":"https://research-information.bris.ac.uk/en/publications/0ccca856-11f5-4b05-9bbd-f8f559d79e5f","pdf_url":null,"source":{"id":"https://openalex.org/S4306400895","display_name":"Bristol Research (University of Bristol)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I36234482","host_organization_name":"University of Bristol","host_organization_lineage":["https://openalex.org/I36234482"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Missonnier, P, Leonards, U, Gold, G, Palix, J, Ibanez, V & Giannakopoulos, P 2003, 'Identification of a new neurophysiological index for working memory load in humans', NeuroReport, vol. 14, pp. 1451 - 1455. https://doi.org/10.1097/01.wnr.0000080101.90506.9b","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:iris.unil.ch:iris/73012","doi":null,"is_oa":false,"landing_page_url":"https://iris.unil.ch/handle/iris/73012","pdf_url":null,"source":{"id":"https://openalex.org/S7407055444","display_name":"IRIS","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"journal article"},{"id":"pmh:oai:serval.unil.ch:BIB_288A97D6BF80","doi":null,"is_oa":false,"landing_page_url":"https://serval.unil.ch/notice/serval:BIB_288A97D6BF80","pdf_url":null,"source":{"id":"https://openalex.org/S4306401797","display_name":"SERVAL (Universit\u00e9 de Lausanne)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4210093590","host_organization_name":"Swiss School of Archaeology in Greece","host_organization_lineage":["https://openalex.org/I4210093590"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Neuroreport, vol. 14, no. 11, pp. 1451-1455","raw_type":"info:eu-repo/semantics/article"},{"id":"mag:3027573162","doi":null,"is_oa":false,"landing_page_url":"https://research-information.bris.ac.uk/en/publications/identification-of-a-new-neurophysiological-index-for-working-memo","pdf_url":null,"source":{"id":"https://openalex.org/S121278948","display_name":"Neuroreport","issn_l":"0959-4965","issn":["0959-4965","1473-558X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-d","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310315671","host_organization_name":"Lippincott Williams & Wilkins","host_organization_lineage":["https://openalex.org/P4310315671","https://openalex.org/P4310318547"],"host_organization_lineage_names":["Lippincott Williams & Wilkins","Wolters Kluwer"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Neuroreport","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.428600013256073,"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W1969944730","https://openalex.org/W2004150192","https://openalex.org/W2019782389","https://openalex.org/W2037395966","https://openalex.org/W2071592165","https://openalex.org/W2114931946","https://openalex.org/W2115562224","https://openalex.org/W2118114225","https://openalex.org/W2130788161","https://openalex.org/W2137145004","https://openalex.org/W2155096497","https://openalex.org/W2232548624","https://openalex.org/W2411068171"],"related_works":["https://openalex.org/W2020630435","https://openalex.org/W6888939236","https://openalex.org/W4313561776","https://openalex.org/W2378652974","https://openalex.org/W1983271292","https://openalex.org/W1976659833","https://openalex.org/W3091826946","https://openalex.org/W3027573162","https://openalex.org/W437925597","https://openalex.org/W2992677337"],"abstract_inverted_index":{"Working":[0],"memory,":[1],"the":[2,63,77,98,104],"ability":[3],"to":[4,18,97],"store":[5],"and":[6,21,80,92],"simultaneously":[7],"manipulate":[8],"information,":[9],"is":[10],"affected":[11],"in":[12,54,62,115],"several":[13],"neuropsychiatric":[14],"disorders":[15],"which":[16],"lead":[17],"severe":[19],"cognitive":[20],"functional":[22,88],"deficits.":[23],"An":[24],"electrophysiological":[25,109],"marker":[26],"for":[27,67,111],"this":[28,68],"process":[29],"could":[30],"help":[31],"identify":[32],"early":[33],"cerebral":[34],"function":[35],"abnormalities.":[36],"In":[37],"subjects":[38],"performing":[39],"working":[40,57,112],"memory-specific":[41],"n-back":[42],"tasks,":[43],"event-related":[44],"potential":[45],"analysis":[46],"revealed":[47],"a":[48,107],"positive-negative":[49],"waveform":[50],"(PNwm)":[51],"component":[52],"modulated":[53],"amplitude":[55],"by":[56],"memory":[58,113],"load.":[59],"It":[60],"occurs":[61],"expected":[64],"time":[65],"range":[66],"process,":[69],"140-280":[70],"ms":[71],"after":[72],"stimulus":[73],"onset,":[74],"superimposed":[75],"on":[76],"classical":[78],"P200":[79],"N200":[81],"components.":[82],"Independent":[83],"Component":[84],"Analysis":[85],"extracted":[86],"two":[87],"components":[89],"with":[90],"latencies":[91],"topographical":[93],"scalp":[94],"distributions":[95],"similar":[96],"PNwm.":[99],"Our":[100],"results":[101],"imply":[102],"that":[103],"PNwm":[105],"represents":[106],"new":[108],"index":[110],"load":[114],"humans.":[116]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":2},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":4},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":4},{"year":2013,"cited_by_count":3},{"year":2012,"cited_by_count":5}],"updated_date":"2026-11-06T12:05:46.655746","created_date":"2016-06-24T00:00:00"}