Attention restores discrete items to visual short-term memory.

When a memory is forgotten, is it lost forever? Our study shows that selective attention can restore forgotten items to visual short-term memory (VSTM). In our two experiments, all stimuli presented in a memory array were designed to be equally task relevant during encoding. During the retention int...

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Main Authors: Murray, A, Nobre, A, Clark, I, Cravo, A, Stokes, M
Formato: Journal article
Idioma:English
Publicado em: 2013
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author Murray, A
Nobre, A
Clark, I
Cravo, A
Stokes, M
author_facet Murray, A
Nobre, A
Clark, I
Cravo, A
Stokes, M
author_sort Murray, A
collection OXFORD
description When a memory is forgotten, is it lost forever? Our study shows that selective attention can restore forgotten items to visual short-term memory (VSTM). In our two experiments, all stimuli presented in a memory array were designed to be equally task relevant during encoding. During the retention interval, however, participants were sometimes given a cue predicting which of the memory items would be probed at the end of the delay. This shift in task relevance improved recall for that item. We found that this type of cuing improved recall for items that otherwise would have been irretrievable, providing critical evidence that attention can restore forgotten information to VSTM. Psychophysical modeling of memory performance has confirmed that restoration of information in VSTM increases the probability that the cued item is available for recall but does not improve the representational quality of the memory. We further suggest that attention can restore discrete items to VSTM.
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spelling oxford-uuid:5fd233be-2d05-4c64-b621-56f9d4a87a212022-03-26T17:49:26ZAttention restores discrete items to visual short-term memory.Journal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:5fd233be-2d05-4c64-b621-56f9d4a87a21EnglishSymplectic Elements at Oxford2013Murray, ANobre, AClark, ICravo, AStokes, MWhen a memory is forgotten, is it lost forever? Our study shows that selective attention can restore forgotten items to visual short-term memory (VSTM). In our two experiments, all stimuli presented in a memory array were designed to be equally task relevant during encoding. During the retention interval, however, participants were sometimes given a cue predicting which of the memory items would be probed at the end of the delay. This shift in task relevance improved recall for that item. We found that this type of cuing improved recall for items that otherwise would have been irretrievable, providing critical evidence that attention can restore forgotten information to VSTM. Psychophysical modeling of memory performance has confirmed that restoration of information in VSTM increases the probability that the cued item is available for recall but does not improve the representational quality of the memory. We further suggest that attention can restore discrete items to VSTM.
spellingShingle Murray, A
Nobre, A
Clark, I
Cravo, A
Stokes, M
Attention restores discrete items to visual short-term memory.
title Attention restores discrete items to visual short-term memory.
title_full Attention restores discrete items to visual short-term memory.
title_fullStr Attention restores discrete items to visual short-term memory.
title_full_unstemmed Attention restores discrete items to visual short-term memory.
title_short Attention restores discrete items to visual short-term memory.
title_sort attention restores discrete items to visual short term memory
work_keys_str_mv AT murraya attentionrestoresdiscreteitemstovisualshorttermmemory
AT nobrea attentionrestoresdiscreteitemstovisualshorttermmemory
AT clarki attentionrestoresdiscreteitemstovisualshorttermmemory
AT cravoa attentionrestoresdiscreteitemstovisualshorttermmemory
AT stokesm attentionrestoresdiscreteitemstovisualshorttermmemory