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Is refreshing in working memory impaired in older age? Evidence from the retro-cue paradigm

Loaiza, Vanessa M; Souza, Alessandra S (2018). Is refreshing in working memory impaired in older age? Evidence from the retro-cue paradigm. Annals of the New York Academy of Sciences, 1424(1):175-189.

Abstract

Impairments in refreshing have been suggested as one source of working memory (WM) deficits in older age. Retro-cues provide an important method of investigating this question: a retro-cue guides attention to one WM item, thereby arguably refreshing it and increasing its accessibility compared with a no-cue baseline. In contrast to the refreshing deficit hypothesis, intact retro-cue benefits have been found in older adults. Refreshing, however, is assumed to boost not one but several WM representations when sequentially applied to them. Hence, intact refreshing requires the flexible switching of attention among WM items. So far, it remains an open question whether older adults show this flexibility. Here, we investigated whether older adults can use multiple cues to sequentially refresh WM representations. Younger and older adults completed a continuous-color delayed-estimation task, in which the number of retro-cues (0, 1, or 2) presented during the retention interval was manipulated. The results showed a similar retro-cue benefit for younger and older adults, even in the two-cue condition in which participants had to switch attention between items to refresh representations in WM. These findings suggest that the capacity to use cues to refresh information in visual WM may be preserved with age.

Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:06 Faculty of Arts > Institute of Psychology
Dewey Decimal Classification:150 Psychology
Scopus Subject Areas:Life Sciences > General Neuroscience
Life Sciences > General Biochemistry, Genetics and Molecular Biology
Social Sciences & Humanities > History and Philosophy of Science
Language:English
Date:1 July 2018
Deposited On:26 Feb 2019 13:48
Last Modified:21 Oct 2024 01:36
Publisher:Wiley-Blackwell Publishing, Inc.
ISSN:0077-8923
OA Status:Green
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.1111/nyas.13623
PubMed ID:29635867
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