Source memory performance is modulated by transcranial direct current stimulation over the left posterior parietal cortex

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Title:	Source memory performance is modulated by transcranial direct current stimulation over the left posterior parietal cortex
Authors:	鄭仕坤;Chen, Nai-Feng;Lo, Chien-Ming;Liu, Tzu-Ling;Cheng, Shih-kuen
Contributors:	生醫理工學院認知神經科學研究所
Keywords:	Achievement tests;Adult;Amnesia;Confidence intervals;Female;Humans;Male;Medical imaging;Memory, Episodic;Mental Recall - physiology;Parietal Lobe - physiology;Posterior parietal cortex;Recall;Recognition (Psychology) - physiology;Recognition memory;Retrieval;Studies;tDCS;Transcranial Magnetic Stimulation;Young Adult
Date:	2016-10-01
Issue Date:	2026-04-23 14:38:06 (UTC+8)
Publisher:	United States: Elsevier Inc
Abstract:	摘要： This study employed transcranial direct current stimulation (tDCS) to examine whether the left posterior parietal cortex (LPPC) is causally involved in episodic memory retrieval. Thirty-six participants were assigned to the anodal or the cathodal stimulation group with the block-randomization method and engaged in three source memory tests on three separate days. During the test phase, the participants received anodal or cathodal stimulation over the LPPC scalp region in one visit, sham over the LPPC in another visit, and anodal or cathodal stimulation over the right primary motor cortex (M1) scalp region in the other visit. The results showed that source memory accuracy, but not old/new recognition performance, decreased significantly when participants in the cathodal group received stimulation over the LPPC scalp region in comparison to the other two stimulation conditions. No such effect was found in the anodal group. These findings provide evidence for the causal relationship between the LPPC and episodic memory retrieval. •Transcranial direct current stimulation (tDCS) was employed to examine whether LPPC is required for memory retrieval.•Source memory performance decreased when the LPPC received cathodal stimulation during retrieval.•Source memory performance was not modulated by applying tDCS over the control site of M1.•These findings provide evidence for the causal relationship between LPPC and episodic memory retrieval. 其他題名： Neuroimage 出版者： United States: Elsevier Inc 出版日期： 2016-10-01 出處： NeuroImage, 2016-10, Vol.139, p.462-469 資源來源： PubMed 版權： 2016 Elsevier Inc. 版權： Copyright © 2016 Elsevier Inc. All rights reserved. 版權： Copyright Elsevier Limited Oct 1, 2016 識別號： ISSN: 1053-8119 識別號： ISSN: 1095-9572 識別號： EISSN: 1095-9572 識別號： DOI: 10.1016/j.neuroimage.2016.06.032 識別號： PMID: 27329808
Appears in Collections:	[College of Science Institute of Cognitive Neuroscience] journal & Dissertation

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