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Effects of Aging and Distractors on Detection of Redundant Visual Targets and Capacity: Do Older Adults Integrate Visual Targets Differently than Younger Adults?

In the redundant target effect, participants respond faster with two (redundant) targets. We compared the magnitude of this effect in younger and older adults, with and without distractors, in a simple visual-detection task. We employed additional measures that allow non-parametric assessment of per...

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Detalles Bibliográficos
Autores principales: Ben-David, Boaz M., Eidels, Ami, Donkin, Chris
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Public Library of Science 2014
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4264737/
https://www.ncbi.nlm.nih.gov/pubmed/25501850
http://dx.doi.org/10.1371/journal.pone.0113551
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author Ben-David, Boaz M.
Eidels, Ami
Donkin, Chris
author_facet Ben-David, Boaz M.
Eidels, Ami
Donkin, Chris
author_sort Ben-David, Boaz M.
collection PubMed
description In the redundant target effect, participants respond faster with two (redundant) targets. We compared the magnitude of this effect in younger and older adults, with and without distractors, in a simple visual-detection task. We employed additional measures that allow non-parametric assessment of performance (Townsend's capacity coefficient) and parametric estimates (Linear Ballistic Accumulator model). Older participants' latencies were slower, especially in the presence of distractors, and their calculated capacity indicators increased with distractors. Parametric estimates indicated that these increases were generated by the older adults' increased difficulty in inhibiting the distractors, and not the results of either improved detection of redundant-targets, or of a generalized slowing of processing.
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spelling pubmed-42647372014-12-19 Effects of Aging and Distractors on Detection of Redundant Visual Targets and Capacity: Do Older Adults Integrate Visual Targets Differently than Younger Adults? Ben-David, Boaz M. Eidels, Ami Donkin, Chris PLoS One Research Article In the redundant target effect, participants respond faster with two (redundant) targets. We compared the magnitude of this effect in younger and older adults, with and without distractors, in a simple visual-detection task. We employed additional measures that allow non-parametric assessment of performance (Townsend's capacity coefficient) and parametric estimates (Linear Ballistic Accumulator model). Older participants' latencies were slower, especially in the presence of distractors, and their calculated capacity indicators increased with distractors. Parametric estimates indicated that these increases were generated by the older adults' increased difficulty in inhibiting the distractors, and not the results of either improved detection of redundant-targets, or of a generalized slowing of processing. Public Library of Science 2014-12-12 /pmc/articles/PMC4264737/ /pubmed/25501850 http://dx.doi.org/10.1371/journal.pone.0113551 Text en © 2014 Ben-David et al http://creativecommons.org/licenses/by/4.0/ This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.
spellingShingle Research Article
Ben-David, Boaz M.
Eidels, Ami
Donkin, Chris
Effects of Aging and Distractors on Detection of Redundant Visual Targets and Capacity: Do Older Adults Integrate Visual Targets Differently than Younger Adults?
title Effects of Aging and Distractors on Detection of Redundant Visual Targets and Capacity: Do Older Adults Integrate Visual Targets Differently than Younger Adults?
title_full Effects of Aging and Distractors on Detection of Redundant Visual Targets and Capacity: Do Older Adults Integrate Visual Targets Differently than Younger Adults?
title_fullStr Effects of Aging and Distractors on Detection of Redundant Visual Targets and Capacity: Do Older Adults Integrate Visual Targets Differently than Younger Adults?
title_full_unstemmed Effects of Aging and Distractors on Detection of Redundant Visual Targets and Capacity: Do Older Adults Integrate Visual Targets Differently than Younger Adults?
title_short Effects of Aging and Distractors on Detection of Redundant Visual Targets and Capacity: Do Older Adults Integrate Visual Targets Differently than Younger Adults?
title_sort effects of aging and distractors on detection of redundant visual targets and capacity: do older adults integrate visual targets differently than younger adults?
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4264737/
https://www.ncbi.nlm.nih.gov/pubmed/25501850
http://dx.doi.org/10.1371/journal.pone.0113551
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