Voluntarily-generated unimanual preparation is associated with stopping success: evidence from LRP and lateralized mu ERD before the stop signal

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Title:	Voluntarily-generated unimanual preparation is associated with stopping success: evidence from LRP and lateralized mu ERD before the stop signal
Authors:	阮啓弘;Ko, Yao-Ting;Cheng, Shih-Kuen;Juan, Chi-Hung
Contributors:	生醫理工學院認知神經科學研究所
Keywords:	Adult;Behavioral Science and Psychology;Brain Waves - physiology;Electroencephalography - methods;Evoked Potentials - physiology;Executive Function - physiology;Female;Humans;Inhibition (Psychology);Male;Original Article;Psychological research;Psychology;Psychology Research;Psychomotor Performance - physiology;Random variables;Reaction Time - physiology;Success;Volition - physiology;Young Adult
Date:	2014-01-01
Issue Date:	2026-04-23 14:50:59 (UTC+8)
Publisher:	Springer Verlag;Berlin/Heidelberg: Springer Berlin Heidelberg
Abstract:	摘要： According to the race models of the stop-signal paradigm, stopping success (successful vs. unsuccessful stopping) is attributed to the finishing times of a go and a stop process. In addition to those factors involving processing times, in the present study we sought to use electrophysiological measures to find factors involving activations that could affect stopping success. We hypothesized that voluntarily-generated unimanual preparation would be a factor. To assess voluntarily-generated unimanual preparation in the stop-signal paradigm, we used a selective-stopping task without any precue. The selective-stopping task also allowed us to assess reaction times (RTs) even when stopping was successful. We demonstrated shorter RTs in signal-respond (i.e. unsuccessful stopping) than in signal-inhibit (successful stopping) trials, as is predicted by the race models. More importantly, we also demonstrated different pre-signal lateralized readiness potentials between the two types of trials and larger lateralized mu ERD in signal-respond than in signal-inhibit trials, suggesting that voluntarily-generated unimanual preparation affects stopping success. In addition to what is described in the race models of the stop-signal paradigm, the present results therefore demonstrated measures of pre-signal activations that could influence stopping success. 其他題名： Psychological Research 其他題名： Psychol Res 出版者： Berlin/Heidelberg: Springer Berlin Heidelberg 出版日期： 2015-03-01 出處： Psychological research, 2015-03, Vol.79 (2), p.249-258 資源來源： Business Source Premier - EBSCO 版權： Springer-Verlag Berlin Heidelberg 2014 版權： Springer-Verlag Berlin Heidelberg 2015 識別號： ISSN: 0340-0727 識別號： ISSN: 1430-2772 識別號： EISSN: 1430-2772 識別號： DOI: 10.1007/s00426-014-0567-3 識別號： PMID: 24718558 識別號： CODEN: PSREDJ
Appears in Collections:	[College of Science Institute of Cognitive Neuroscience] journal & Dissertation

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