The two-stage process in visual working memory consolidation

Abstract Two hypotheses have been proposed to explain the formation manner for visual working memory (VWM) representations during the consolidation process: an all-or-none process hypothesis and a coarse-to-fine process hypothesis. However, neither the all-or-none process hypothesis nor the coarse-t...

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Autores principales:	Chaoxiong Ye, Tengfei Liang, Yin Zhang, Qianru Xu, Yongjie Zhu, Qiang Liu
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2020
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/a87953532bef4e67bd3927e1f60864f3
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spelling	oai:doaj.org-article:a87953532bef4e67bd3927e1f60864f32021-12-02T18:50:49ZThe two-stage process in visual working memory consolidation10.1038/s41598-020-70418-y2045-2322https://doaj.org/article/a87953532bef4e67bd3927e1f60864f32020-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-70418-yhttps://doaj.org/toc/2045-2322Abstract Two hypotheses have been proposed to explain the formation manner for visual working memory (VWM) representations during the consolidation process: an all-or-none process hypothesis and a coarse-to-fine process hypothesis. However, neither the all-or-none process hypothesis nor the coarse-to-fine process hypothesis can stipulate clearly how VWM representations are formed during the consolidation process. In the current study, we propose a two-stage process hypothesis to reconcile these hypotheses. The two-stage process hypothesis suggests that the consolidation of coarse information is an all-or-none process in the early consolidation stage, while the consolidation of detailed information is a coarse-to-fine process in the late consolidation stage. By systematically manipulating the encoding time of memory stimuli, we asked participants to memorize one (Experiment 1) or two (Experiment 2) orientations in different encoding time intervals. We found that the memory rate increased linearly as the encoding time increased. More importantly, VWM precision remained constant when the encoding time was short, while the precision increased linearly as the encoding time increased when the encoding time was sufficient. These results supported the two-stage process hypothesis, which reconciles previous conflicting findings in the literature.Chaoxiong YeTengfei LiangYin ZhangQianru XuYongjie ZhuQiang LiuNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 10, Iss 1, Pp 1-11 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Chaoxiong Ye Tengfei Liang Yin Zhang Qianru Xu Yongjie Zhu Qiang Liu The two-stage process in visual working memory consolidation
description	Abstract Two hypotheses have been proposed to explain the formation manner for visual working memory (VWM) representations during the consolidation process: an all-or-none process hypothesis and a coarse-to-fine process hypothesis. However, neither the all-or-none process hypothesis nor the coarse-to-fine process hypothesis can stipulate clearly how VWM representations are formed during the consolidation process. In the current study, we propose a two-stage process hypothesis to reconcile these hypotheses. The two-stage process hypothesis suggests that the consolidation of coarse information is an all-or-none process in the early consolidation stage, while the consolidation of detailed information is a coarse-to-fine process in the late consolidation stage. By systematically manipulating the encoding time of memory stimuli, we asked participants to memorize one (Experiment 1) or two (Experiment 2) orientations in different encoding time intervals. We found that the memory rate increased linearly as the encoding time increased. More importantly, VWM precision remained constant when the encoding time was short, while the precision increased linearly as the encoding time increased when the encoding time was sufficient. These results supported the two-stage process hypothesis, which reconciles previous conflicting findings in the literature.
format	article
author	Chaoxiong Ye Tengfei Liang Yin Zhang Qianru Xu Yongjie Zhu Qiang Liu
author_facet	Chaoxiong Ye Tengfei Liang Yin Zhang Qianru Xu Yongjie Zhu Qiang Liu
author_sort	Chaoxiong Ye
title	The two-stage process in visual working memory consolidation
title_short	The two-stage process in visual working memory consolidation
title_full	The two-stage process in visual working memory consolidation
title_fullStr	The two-stage process in visual working memory consolidation
title_full_unstemmed	The two-stage process in visual working memory consolidation
title_sort	the two-stage process in visual working memory consolidation
publisher	Nature Portfolio
publishDate	2020
url	https://doaj.org/article/a87953532bef4e67bd3927e1f60864f3
work_keys_str_mv	AT chaoxiongye thetwostageprocessinvisualworkingmemoryconsolidation AT tengfeiliang thetwostageprocessinvisualworkingmemoryconsolidation AT yinzhang thetwostageprocessinvisualworkingmemoryconsolidation AT qianruxu thetwostageprocessinvisualworkingmemoryconsolidation AT yongjiezhu thetwostageprocessinvisualworkingmemoryconsolidation AT qiangliu thetwostageprocessinvisualworkingmemoryconsolidation
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The two-stage process in visual working memory consolidation

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