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Improving memory for unusual events with wakeful reactivation

Memory consists of multiple processes, from encoding information, consolidating it into short- and long- term memory, and later retrieving relevant information. Targeted memory reactivation is an experimental method during which sensory components of a multisensory representation (such as sounds or...

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Autores principales: Glicksohn, Arit, Shams, Ladan, Seitz, Aaron R.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Frontiers Media S.A. 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10086428/
https://www.ncbi.nlm.nih.gov/pubmed/37057152
http://dx.doi.org/10.3389/fpsyg.2023.1092408
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author Glicksohn, Arit
Shams, Ladan
Seitz, Aaron R.
author_facet Glicksohn, Arit
Shams, Ladan
Seitz, Aaron R.
author_sort Glicksohn, Arit
collection PubMed
description Memory consists of multiple processes, from encoding information, consolidating it into short- and long- term memory, and later retrieving relevant information. Targeted memory reactivation is an experimental method during which sensory components of a multisensory representation (such as sounds or odors) are ‘reactivated’, facilitating the later retrieval of unisensory attributes. We examined whether novel and unpredicted events benefit from reactivation to a greater degree than normal stimuli. We presented participants with everyday objects, and ‘tagged’ these objects with sounds (e.g., animals and their matching sounds) at different screen locations. ‘Oddballs’ were created by presenting unusual objects and sounds (e.g., a unicorn with a heartbeat sound). During a short reactivation phase, participants listened to a replay of normal and oddball sounds. Participants were then tested on their memory for visual and spatial information in the absence of sounds. Participants were better at remembering the oddball objects compared to normal ones. Importantly, participants were also better at recalling the locations of oddball objects whose sounds were reactivated, compared to objects whose sounds that were not presented again. These results suggest that episodic memory benefits from associating objects with unusual cues, and that reactivating those cues strengthen the entire multisensory representation, resulting in enhanced memory for unisensory attributes.
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spelling pubmed-100864282023-04-12 Improving memory for unusual events with wakeful reactivation Glicksohn, Arit Shams, Ladan Seitz, Aaron R. Front Psychol Psychology Memory consists of multiple processes, from encoding information, consolidating it into short- and long- term memory, and later retrieving relevant information. Targeted memory reactivation is an experimental method during which sensory components of a multisensory representation (such as sounds or odors) are ‘reactivated’, facilitating the later retrieval of unisensory attributes. We examined whether novel and unpredicted events benefit from reactivation to a greater degree than normal stimuli. We presented participants with everyday objects, and ‘tagged’ these objects with sounds (e.g., animals and their matching sounds) at different screen locations. ‘Oddballs’ were created by presenting unusual objects and sounds (e.g., a unicorn with a heartbeat sound). During a short reactivation phase, participants listened to a replay of normal and oddball sounds. Participants were then tested on their memory for visual and spatial information in the absence of sounds. Participants were better at remembering the oddball objects compared to normal ones. Importantly, participants were also better at recalling the locations of oddball objects whose sounds were reactivated, compared to objects whose sounds that were not presented again. These results suggest that episodic memory benefits from associating objects with unusual cues, and that reactivating those cues strengthen the entire multisensory representation, resulting in enhanced memory for unisensory attributes. Frontiers Media S.A. 2023-03-28 /pmc/articles/PMC10086428/ /pubmed/37057152 http://dx.doi.org/10.3389/fpsyg.2023.1092408 Text en Copyright © 2023 Glicksohn, Shams and Seitz. https://creativecommons.org/licenses/by/4.0/This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
spellingShingle Psychology
Glicksohn, Arit
Shams, Ladan
Seitz, Aaron R.
Improving memory for unusual events with wakeful reactivation
title Improving memory for unusual events with wakeful reactivation
title_full Improving memory for unusual events with wakeful reactivation
title_fullStr Improving memory for unusual events with wakeful reactivation
title_full_unstemmed Improving memory for unusual events with wakeful reactivation
title_short Improving memory for unusual events with wakeful reactivation
title_sort improving memory for unusual events with wakeful reactivation
topic Psychology
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10086428/
https://www.ncbi.nlm.nih.gov/pubmed/37057152
http://dx.doi.org/10.3389/fpsyg.2023.1092408
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