The effect of encoding task on the forgetting of object gist and details.

One important feature of episodic memory is that it contains fine-grained and vividly recollected details. How to improve and maintain detailed information over time has been one of the central issues in memory research. Previous studies have inconsistent findings on whether detailed memory is forgo...

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Autores principales:	Zhongyu Hu, Wenxi Zhou, Jiongjiong Yang
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/2c8eb35ef90248518235084125566b30
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spelling	oai:doaj.org-article:2c8eb35ef90248518235084125566b302021-12-02T20:08:07ZThe effect of encoding task on the forgetting of object gist and details.1932-620310.1371/journal.pone.0255474https://doaj.org/article/2c8eb35ef90248518235084125566b302021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0255474https://doaj.org/toc/1932-6203One important feature of episodic memory is that it contains fine-grained and vividly recollected details. How to improve and maintain detailed information over time has been one of the central issues in memory research. Previous studies have inconsistent findings on whether detailed memory is forgotten more rapidly than gist memory. In this study, we investigated to what extent different encoding tasks modulated forgetting of gist and detailed information. In three experiments, participants were presented pictures of common objects and were asked to name them (Experiment 1), describe the details about them (Experiment 2) or imagine scenes associated with them (Experiment 3). After intervals of 10 minutes, one day, one week and one month, gist and detailed memories of the pictures were tested and assessed using a remember/know/guess judgement. The results showed that after the naming task, gist and detailed memories were forgotten at a similar rate, but after the description and the imagination tasks, detailed memory was forgotten at a slower rate than gist memory. The forgetting rate of gist memory was the slowest after the naming task, while that of detailed memory was the slowest after the description task. In addition, when three experiments were compared, the naming task enhanced the contributions of recollection and familiarity for gist memory, while the description task enhanced the contribution of familiarity for detailed memory. These results reveal the importance of the encoding task in the forgetting of gist and detailed information, and suggest a possible way to maintain perceptual details of objects at longer intervals.Zhongyu HuWenxi ZhouJiongjiong YangPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 9, p e0255474 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Zhongyu Hu Wenxi Zhou Jiongjiong Yang The effect of encoding task on the forgetting of object gist and details.
description	One important feature of episodic memory is that it contains fine-grained and vividly recollected details. How to improve and maintain detailed information over time has been one of the central issues in memory research. Previous studies have inconsistent findings on whether detailed memory is forgotten more rapidly than gist memory. In this study, we investigated to what extent different encoding tasks modulated forgetting of gist and detailed information. In three experiments, participants were presented pictures of common objects and were asked to name them (Experiment 1), describe the details about them (Experiment 2) or imagine scenes associated with them (Experiment 3). After intervals of 10 minutes, one day, one week and one month, gist and detailed memories of the pictures were tested and assessed using a remember/know/guess judgement. The results showed that after the naming task, gist and detailed memories were forgotten at a similar rate, but after the description and the imagination tasks, detailed memory was forgotten at a slower rate than gist memory. The forgetting rate of gist memory was the slowest after the naming task, while that of detailed memory was the slowest after the description task. In addition, when three experiments were compared, the naming task enhanced the contributions of recollection and familiarity for gist memory, while the description task enhanced the contribution of familiarity for detailed memory. These results reveal the importance of the encoding task in the forgetting of gist and detailed information, and suggest a possible way to maintain perceptual details of objects at longer intervals.
format	article
author	Zhongyu Hu Wenxi Zhou Jiongjiong Yang
author_facet	Zhongyu Hu Wenxi Zhou Jiongjiong Yang
author_sort	Zhongyu Hu
title	The effect of encoding task on the forgetting of object gist and details.
title_short	The effect of encoding task on the forgetting of object gist and details.
title_full	The effect of encoding task on the forgetting of object gist and details.
title_fullStr	The effect of encoding task on the forgetting of object gist and details.
title_full_unstemmed	The effect of encoding task on the forgetting of object gist and details.
title_sort	effect of encoding task on the forgetting of object gist and details.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/2c8eb35ef90248518235084125566b30
work_keys_str_mv	AT zhongyuhu theeffectofencodingtaskontheforgettingofobjectgistanddetails AT wenxizhou theeffectofencodingtaskontheforgettingofobjectgistanddetails AT jiongjiongyang theeffectofencodingtaskontheforgettingofobjectgistanddetails AT zhongyuhu effectofencodingtaskontheforgettingofobjectgistanddetails AT wenxizhou effectofencodingtaskontheforgettingofobjectgistanddetails AT jiongjiongyang effectofencodingtaskontheforgettingofobjectgistanddetails
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The effect of encoding task on the forgetting of object gist and details.

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