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Article: Can’t forget: disruption of the right prefrontal cortex impairs voluntary forgetting in a recognition test

TitleCan’t forget: disruption of the right prefrontal cortex impairs voluntary forgetting in a recognition test
Authors
KeywordsDirected forgetting
voluntary memory control
rTMS
emotional memory
explicit/implicit memory tests
Issue Date2020
PublisherPsychology Press. The Journal's web site is located at http://www.tandf.co.uk/journals/titles/09658211.asp
Citation
Memory, 2020, v. 28 n. 1, p. 60-69 How to Cite?
AbstractThe causal influence of the dorsolateral prefrontal cortex (DLPFC) in voluntary forgetting remains unclear. Here, we employed repetitive transcranial magnetic stimulation (rTMS) over the right DLPFC to temporarily disrupt function of this brain region and examined its influence on an item-method directed forgetting (DF) task with both neutral and negative emotional memories. Participants were assigned to either an active or a sham rTMS group, in which we administered stimulation for 20 min before the DF task. We then examined the explicit and implicit DF effects with an explicit recognition and an implicit word completion test. We found that while participants in the sham group showed the classic DF effects in both explicit and implicit memory tests, temporally disrupting activity of the right DLPFC selectively reduced the DF effect on explicit recognition, but not on implicit word completion test. Our findings provide novel evidence that the right DLPFC plays a causal role in voluntary forgetting and support the direct inhibition account of voluntary memory control. Intriguingly, preserved implicit DF effects in the active stimulation group suggest that unintentional expressions of unwanted memories may be more sensitive to DF and less dependent on the right DLPFC.
Persistent Identifierhttp://hdl.handle.net/10722/289610
ISSN
2023 Impact Factor: 2.2
2023 SCImago Journal Rankings: 0.791
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorXIE, H-
dc.contributor.authorChen, Y-
dc.contributor.authorLin, Y-
dc.contributor.authorHu, X-
dc.contributor.authorZhang, D-
dc.date.accessioned2020-10-22T08:15:00Z-
dc.date.available2020-10-22T08:15:00Z-
dc.date.issued2020-
dc.identifier.citationMemory, 2020, v. 28 n. 1, p. 60-69-
dc.identifier.issn0965-8211-
dc.identifier.urihttp://hdl.handle.net/10722/289610-
dc.description.abstractThe causal influence of the dorsolateral prefrontal cortex (DLPFC) in voluntary forgetting remains unclear. Here, we employed repetitive transcranial magnetic stimulation (rTMS) over the right DLPFC to temporarily disrupt function of this brain region and examined its influence on an item-method directed forgetting (DF) task with both neutral and negative emotional memories. Participants were assigned to either an active or a sham rTMS group, in which we administered stimulation for 20 min before the DF task. We then examined the explicit and implicit DF effects with an explicit recognition and an implicit word completion test. We found that while participants in the sham group showed the classic DF effects in both explicit and implicit memory tests, temporally disrupting activity of the right DLPFC selectively reduced the DF effect on explicit recognition, but not on implicit word completion test. Our findings provide novel evidence that the right DLPFC plays a causal role in voluntary forgetting and support the direct inhibition account of voluntary memory control. Intriguingly, preserved implicit DF effects in the active stimulation group suggest that unintentional expressions of unwanted memories may be more sensitive to DF and less dependent on the right DLPFC.-
dc.languageeng-
dc.publisherPsychology Press. The Journal's web site is located at http://www.tandf.co.uk/journals/titles/09658211.asp-
dc.relation.ispartofMemory-
dc.rightsMemory. Copyright © Psychology Press.-
dc.rightsPREPRINT This is a preprint of an article whose final and definitive form has been published in the [JOURNAL TITLE] [year of publication] [copyright Taylor & Francis]; [JOURNAL TITLE] is available online at: http://www.informaworld.com/smpp/ with the open URL of your article POSTPRINT ‘This is an electronic version of an article published in [include the complete citation information for the final version of the article as published in the print edition of the journal]. [JOURNAL TITLE] is available online at: http://www.informaworld.com/smpp/ with the open URL of your article.-
dc.subjectDirected forgetting-
dc.subjectvoluntary memory control-
dc.subjectrTMS-
dc.subjectemotional memory-
dc.subjectexplicit/implicit memory tests-
dc.titleCan’t forget: disruption of the right prefrontal cortex impairs voluntary forgetting in a recognition test-
dc.typeArticle-
dc.identifier.emailHu, X: xqhu2716@hku.hk-
dc.identifier.authorityHu, X=rp02182-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1080/09658211.2019.1681456-
dc.identifier.pmid31645199-
dc.identifier.scopuseid_2-s2.0-85074492907-
dc.identifier.hkuros316316-
dc.identifier.volume28-
dc.identifier.issue1-
dc.identifier.spage60-
dc.identifier.epage69-
dc.identifier.isiWOS:000492097000001-
dc.publisher.placeUnited Kingdom-
dc.identifier.issnl0965-8211-

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