Individual Differences in Working Memory Capacity Modulate Electrophysiological Correlates of Semantic Negative Priming From Single Words

In the present study, event-related potentials (ERPs) were registered during a semantic negative priming (NP) task in participants with higher and lower working memory capacity (WMC). On each trial participants had to actively ignore a briefly presented single prime word, which was followed either i...

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Autores principales:	Montserrat Megías, Juan J. Ortells, Isabel Carmona, Carmen Noguera, Markus Kiefer
Formato:	article
Lenguaje:	EN
Publicado:	Frontiers Media S.A. 2021
Materias:	individual differences in working memory capacity semantic negative priming event-related potentials N400 ERP component late positive complex Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571
Acceso en línea:	https://doaj.org/article/9fb4aa7544a94c0780d40122e658291b
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spelling	oai:doaj.org-article:9fb4aa7544a94c0780d40122e658291b2021-11-18T09:55:53ZIndividual Differences in Working Memory Capacity Modulate Electrophysiological Correlates of Semantic Negative Priming From Single Words1662-515310.3389/fnbeh.2021.765290https://doaj.org/article/9fb4aa7544a94c0780d40122e658291b2021-11-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/fnbeh.2021.765290/fullhttps://doaj.org/toc/1662-5153In the present study, event-related potentials (ERPs) were registered during a semantic negative priming (NP) task in participants with higher and lower working memory capacity (WMC). On each trial participants had to actively ignore a briefly presented single prime word, which was followed either immediately or after a delay by a mask. Thereafter, either a semantically related or an unrelated target word was presented, to which participants made a semantic categorization judgment. The ignored prime produced a behavioral semantic NP in delayed (but not in immediate) masking trials, and only for participants with a higher-WMC. Both masking type and WMC also modulated ERP priming effects. When the ignored prime was immediately followed by a mask (which impeded its conscious identification) a reliable N400 modulation was found irrespective of participants’ WMC. However, when the mask onset following the prime was delayed (thus allowing its conscious identification), an attenuation of a late positive ERP (LPC) was observed in related compared to unrelated trials, but only in the higher-WMC group showing reliable behavioral NP. The present findings demonstrate for the first time that individual differences in WMC modulate both behavioral measures and electrophysiological correlates of semantic NP.Montserrat MegíasJuan J. OrtellsJuan J. OrtellsIsabel CarmonaIsabel CarmonaCarmen NogueraCarmen NogueraMarkus KieferFrontiers Media S.A.articleindividual differences in working memory capacitysemantic negative primingevent-related potentialsN400 ERP componentlate positive complexNeurosciences. Biological psychiatry. NeuropsychiatryRC321-571ENFrontiers in Behavioral Neuroscience, Vol 15 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	individual differences in working memory capacity semantic negative priming event-related potentials N400 ERP component late positive complex Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571
spellingShingle	individual differences in working memory capacity semantic negative priming event-related potentials N400 ERP component late positive complex Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571 Montserrat Megías Juan J. Ortells Juan J. Ortells Isabel Carmona Isabel Carmona Carmen Noguera Carmen Noguera Markus Kiefer Individual Differences in Working Memory Capacity Modulate Electrophysiological Correlates of Semantic Negative Priming From Single Words
description	In the present study, event-related potentials (ERPs) were registered during a semantic negative priming (NP) task in participants with higher and lower working memory capacity (WMC). On each trial participants had to actively ignore a briefly presented single prime word, which was followed either immediately or after a delay by a mask. Thereafter, either a semantically related or an unrelated target word was presented, to which participants made a semantic categorization judgment. The ignored prime produced a behavioral semantic NP in delayed (but not in immediate) masking trials, and only for participants with a higher-WMC. Both masking type and WMC also modulated ERP priming effects. When the ignored prime was immediately followed by a mask (which impeded its conscious identification) a reliable N400 modulation was found irrespective of participants’ WMC. However, when the mask onset following the prime was delayed (thus allowing its conscious identification), an attenuation of a late positive ERP (LPC) was observed in related compared to unrelated trials, but only in the higher-WMC group showing reliable behavioral NP. The present findings demonstrate for the first time that individual differences in WMC modulate both behavioral measures and electrophysiological correlates of semantic NP.
format	article
author	Montserrat Megías Juan J. Ortells Juan J. Ortells Isabel Carmona Isabel Carmona Carmen Noguera Carmen Noguera Markus Kiefer
author_facet	Montserrat Megías Juan J. Ortells Juan J. Ortells Isabel Carmona Isabel Carmona Carmen Noguera Carmen Noguera Markus Kiefer
author_sort	Montserrat Megías
title	Individual Differences in Working Memory Capacity Modulate Electrophysiological Correlates of Semantic Negative Priming From Single Words
title_short	Individual Differences in Working Memory Capacity Modulate Electrophysiological Correlates of Semantic Negative Priming From Single Words
title_full	Individual Differences in Working Memory Capacity Modulate Electrophysiological Correlates of Semantic Negative Priming From Single Words
title_fullStr	Individual Differences in Working Memory Capacity Modulate Electrophysiological Correlates of Semantic Negative Priming From Single Words
title_full_unstemmed	Individual Differences in Working Memory Capacity Modulate Electrophysiological Correlates of Semantic Negative Priming From Single Words
title_sort	individual differences in working memory capacity modulate electrophysiological correlates of semantic negative priming from single words
publisher	Frontiers Media S.A.
publishDate	2021
url	https://doaj.org/article/9fb4aa7544a94c0780d40122e658291b
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Individual Differences in Working Memory Capacity Modulate Electrophysiological Correlates of Semantic Negative Priming From Single Words

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