Audiovisual temporal discrimination is less efficient with aging: An event-related potential study

Setti, Annalisa, Finnigan, Simon, Sobolewski, Rory, McLaren, Laura, Robertson, Ian H., Reilly, Richard B., Kenny, Rose Anne and Newell, Fiona N. (2011) Audiovisual temporal discrimination is less efficient with aging: An event-related potential study. Neuroreport, 22 11: 554-558. doi:10.1097/WNR.0b013e328348c731


Author Setti, Annalisa
Finnigan, Simon
Sobolewski, Rory
McLaren, Laura
Robertson, Ian H.
Reilly, Richard B.
Kenny, Rose Anne
Newell, Fiona N.
Title Audiovisual temporal discrimination is less efficient with aging: An event-related potential study
Journal name Neuroreport   Check publisher's open access policy
ISSN 0959-4965
1473-558X
Publication date 2011-08-03
Sub-type Article (original research)
DOI 10.1097/WNR.0b013e328348c731
Volume 22
Issue 11
Start page 554
End page 558
Total pages 5
Place of publication Philadelphia, PA, United States
Publisher Lippincott Williams & Wilkins
Collection year 2012
Language eng
Abstract We investigated the crossmodal temporal discrimination deficit characterizing older adults and its event-related potential (electroencephalogram) correlates using an audiovisual temporal order judgment task. Audiovisual stimuli were presented at stimulus onset asynchronies (SOA) of 70 or 270 ms. Older were less accurate than younger adults with an SOA of 270 ms but not 70 ms. With an SOA of 270 ms only, older adults had smaller posterior P1 and frontocentral N1 amplitudes for visual stimuli in auditory-visual trials and auditory stimuli in visual-auditory trials, respectively. These results suggest a deficit in cross-sensory processing with aging reflected at the behavioural and neural level, and suggest an impairment in switching between modalities even when the inputs are separated by long temporal intervals.
Keyword Aging
Audiovisual
Cross-sensory
Event-related potential
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: UQ Centre for Clinical Research Publications
Official 2012 Collection
 
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Citation counts: TR Web of Science Citation Count  Cited 15 times in Thomson Reuters Web of Science Article | Citations
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Created: Mon, 22 Aug 2011, 22:36:17 EST by Dr Simon Finnigan on behalf of UQ Centre for Clinical Research