Intentional forgetting might be more effortful than remembering: An ERP study of item-method directed forgetting

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题名:	Intentional forgetting might be more effortful than remembering: An ERP study of item-method directed forgetting
作者:	洪蘭;Cheng, Shih-kuen;Liu, I-Chun;Lee, Jun Ren;Hung, Daisy L.;Tzeng, Ovid J.-L.
贡献者:	生醫理工學院認知神經科學研究所
关键词:	Adolescent;Attention - physiology;Behavioral psychophysiology;Biological and medical sciences;Cerebral Cortex - physiology;Cues;Directed forgetting;ERPs;Evoked Potentials - physiology;Female;Fundamental and applied biological sciences. Psychology;Humans;Male;Memory - physiology;N400;P200;Psychology. Psychoanalysis. Psychiatry;Psychology. Psychophysiology;Reaction Time - physiology;Semantic priming;Young Adult
日期:	2012-02-01
上传时间:	2026-04-23 14:28:14 (UTC+8)
出版者:	Amsterdam: Elsevier B.V
摘要:	摘要： ► Forgetting is an active process and demands more resource than remembering. ► The semantic processing is different for to-be-remembered and to-be-forgotten items. ► The demand of attention for intentional forgetting is of temporal limitation. This study recorded ERPs while participants engaged in a procedure that combined semantic priming and item-method directed forgetting, aiming to investigate the issues of whether intentional forgetting demands cognitive efforts and modulates the semantic processing of to-be-remembered (TBR) and to-be-forgotten (TBF) items. Participants made lexical decisions to semantically related or unrelated prime and target words. A Remember/Forget cue, presented between the prime and target, designated the prime as TBR or TBF. When the cues were shown for 500ms, targets preceded by Forget cues yielded a smaller P200 wave than those preceded by Remember cues. Furthermore, the topography of the N400 effect was different for targets preceded by Remember and Forget cues. The cues did not modulate the ERPs of the targets when they were shown for 1500ms. Because P200 is sensitive to attention influence and the N400 effect reflects semantic processing, we conclude that forgetting is more effortful than remembering and that the semantic processing is different for TBR and TBF items. Nevertheless, there is a temporal limitation for the Remember/Forget cues to modulate the semantic processing and attentional resources in item-method directed forgetting. 其他題名： Biol Psychol 出版者： Amsterdam: Elsevier B.V 出版日期： 2012-02-01 出處： Biological psychology, 2012-02, Vol.89 (2), p.283-292 版權： 2011 Elsevier B.V. 版權： 2015 INIST-CNRS 版權： Copyright © 2011 Elsevier B.V. All rights reserved. 識別號： ISSN: 0301-0511 識別號： ISSN: 1873-6246 識別號： EISSN: 1873-6246 識別號： DOI: 10.1016/j.biopsycho.2011.10.019 識別號： PMID: 22085678 識別號： CODEN: BLPYAX
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