Object continuity enhances selective auditory attention.

Proceedings of the National Academy of Sciences of the United States of America
Virginia BestBarbara G Shinn-Cunningham

Abstract

In complex scenes, the identity of an auditory object can build up across seconds. Given that attention operates on perceptual objects, this perceptual buildup may alter the efficacy of selective auditory attention over time. Here, we measured identification of a sequence of spoken target digits presented with distracter digits from other directions to investigate the dynamics of selective attention. Performance was better when the target location was fixed rather than changing between digits, even when listeners were cued as much as 1 s in advance about the position of each subsequent digit. Spatial continuity not only avoided well known costs associated with switching the focus of spatial attention, but also produced refinements in the spatial selectivity of attention across time. Continuity of target voice further enhanced this buildup of selective attention. Results suggest that when attention is sustained on one auditory object within a complex scene, attentional selectivity improves over time. Similar effects may come into play when attention is sustained on an object in a complex visual scene, especially in cases where visual object formation requires sustained attention.

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Citations

Apr 7, 2010·Experimental Brain Research·Laurent DemanyDaniel Pressnitzer
Nov 15, 2008·Journal of the Association for Research in Otolaryngology : JARO·Virginia BestBarbara G Shinn-Cunningham
Dec 4, 2010·Journal of the Association for Research in Otolaryngology : JARO·Dorea Ruggles, Barbara Shinn-Cunningham
Nov 30, 2011·Journal of the Association for Research in Otolaryngology : JARO·Ross K Maddox, Barbara G Shinn-Cunningham
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Dec 15, 2010·Nature Neuroscience·Chen-Chung Lee, John C Middlebrooks
Aug 17, 2011·Proceedings of the National Academy of Sciences of the United States of America·Dorea RugglesBarbara G Shinn-Cunningham
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Nov 1, 2008·Trends in Amplification·Barbara G Shinn-Cunningham, Virginia Best
Jun 17, 2010·The Journal of the Acoustical Society of America·Virginia BestNorbert Kopco
Mar 19, 2014·Psychological Research·Scott BresslerBarbara Shinn-Cunningham
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Oct 20, 2017·Journal of Speech, Language, and Hearing Research : JSLHR·Barbara Shinn-Cunningham
Nov 30, 2019·ELife·Yuqi DengBarbara G Shinn-Cunningham

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