The duration of a co-occurring sound modulates visual detection performance in humans.

<h4>Background</h4>The duration of sounds can affect the perceived duration of co-occurring visual stimuli. However, it is unclear whether this is limited to amodal processes of duration perception or affects other non-temporal qualities of visual perception.<h4>Methodology/princip...

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Autores principales:	Benjamin de Haas, Roberto Cecere, Harriet Cullen, Jon Driver, Vincenzo Romei
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2013
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/f2e59f2c862d4a1fac748c838a7b08f0
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spelling	oai:doaj.org-article:f2e59f2c862d4a1fac748c838a7b08f02021-11-18T08:00:29ZThe duration of a co-occurring sound modulates visual detection performance in humans.1932-620310.1371/journal.pone.0054789https://doaj.org/article/f2e59f2c862d4a1fac748c838a7b08f02013-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23355900/pdf/?tool=EBIhttps://doaj.org/toc/1932-6203<h4>Background</h4>The duration of sounds can affect the perceived duration of co-occurring visual stimuli. However, it is unclear whether this is limited to amodal processes of duration perception or affects other non-temporal qualities of visual perception.<h4>Methodology/principal findings</h4>Here, we tested the hypothesis that visual sensitivity--rather than only the perceived duration of visual stimuli--can be affected by the duration of co-occurring sounds. We found that visual detection sensitivity (d') for unimodal stimuli was higher for stimuli of longer duration. Crucially, in a cross-modal condition, we replicated previous unimodal findings, observing that visual sensitivity was shaped by the duration of co-occurring sounds. When short visual stimuli (∼24 ms) were accompanied by sounds of matching duration, visual sensitivity was decreased relative to the unimodal visual condition. However, when the same visual stimuli were accompanied by longer auditory stimuli (∼60-96 ms), visual sensitivity was increased relative to the performance for ∼24 ms auditory stimuli. Across participants, this sensitivity enhancement was observed within a critical time window of ∼60-96 ms. Moreover, the amplitude of this effect correlated with visual sensitivity enhancement found for longer lasting visual stimuli across participants.<h4>Conclusions/significance</h4>Our findings show that the duration of co-occurring sounds affects visual perception; it changes visual sensitivity in a similar way as altering the (actual) duration of the visual stimuli does.Benjamin de HaasRoberto CecereHarriet CullenJon DriverVincenzo RomeiPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 8, Iss 1, p e54789 (2013)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Benjamin de Haas Roberto Cecere Harriet Cullen Jon Driver Vincenzo Romei The duration of a co-occurring sound modulates visual detection performance in humans.
description	<h4>Background</h4>The duration of sounds can affect the perceived duration of co-occurring visual stimuli. However, it is unclear whether this is limited to amodal processes of duration perception or affects other non-temporal qualities of visual perception.<h4>Methodology/principal findings</h4>Here, we tested the hypothesis that visual sensitivity--rather than only the perceived duration of visual stimuli--can be affected by the duration of co-occurring sounds. We found that visual detection sensitivity (d') for unimodal stimuli was higher for stimuli of longer duration. Crucially, in a cross-modal condition, we replicated previous unimodal findings, observing that visual sensitivity was shaped by the duration of co-occurring sounds. When short visual stimuli (∼24 ms) were accompanied by sounds of matching duration, visual sensitivity was decreased relative to the unimodal visual condition. However, when the same visual stimuli were accompanied by longer auditory stimuli (∼60-96 ms), visual sensitivity was increased relative to the performance for ∼24 ms auditory stimuli. Across participants, this sensitivity enhancement was observed within a critical time window of ∼60-96 ms. Moreover, the amplitude of this effect correlated with visual sensitivity enhancement found for longer lasting visual stimuli across participants.<h4>Conclusions/significance</h4>Our findings show that the duration of co-occurring sounds affects visual perception; it changes visual sensitivity in a similar way as altering the (actual) duration of the visual stimuli does.
format	article
author	Benjamin de Haas Roberto Cecere Harriet Cullen Jon Driver Vincenzo Romei
author_facet	Benjamin de Haas Roberto Cecere Harriet Cullen Jon Driver Vincenzo Romei
author_sort	Benjamin de Haas
title	The duration of a co-occurring sound modulates visual detection performance in humans.
title_short	The duration of a co-occurring sound modulates visual detection performance in humans.
title_full	The duration of a co-occurring sound modulates visual detection performance in humans.
title_fullStr	The duration of a co-occurring sound modulates visual detection performance in humans.
title_full_unstemmed	The duration of a co-occurring sound modulates visual detection performance in humans.
title_sort	duration of a co-occurring sound modulates visual detection performance in humans.
publisher	Public Library of Science (PLoS)
publishDate	2013
url	https://doaj.org/article/f2e59f2c862d4a1fac748c838a7b08f0
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The duration of a co-occurring sound modulates visual detection performance in humans.

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