Audiovisual interaction enhances auditory detection in late stage: An event-related potential study

Qi Li, Jinglong Wu, Tetsuo Touge

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

Although many behavioral studies have investigated auditory detection enhancement by crossmodal audiovisual interaction, the results are controversial. In addition, no neuroimaging studies that identify this phenomenon have been conducted. Therefore, we used event-related potential (ERP) measures to investigate this phenomenon by comparing the ERPs elicited by the audiovisual stimuli to the sum of the ERPs elicited by the visual and auditory stimuli, and identified two brain regions that showed significantly different responses: the centro-medial area at 280-300 ms after the presentation of the stimulus and the right fronto-temporal area at 300-320 ms after the presentation of the stimulus. The ERP results suggested that the behavioral enhancement of auditory detection results from late-stage cognitive processes rather than early-stage sensory processes.

Original languageEnglish
Pages (from-to)173-178
Number of pages6
JournalNeuroReport
Volume21
Issue number3
DOIs
Publication statusPublished - Feb 2010

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Evoked Potentials
Neuroimaging
Brain

Keywords

  • Attention
  • Audiovisual interaction
  • Crossmodal
  • Event-related potential

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Audiovisual interaction enhances auditory detection in late stage : An event-related potential study. / Li, Qi; Wu, Jinglong; Touge, Tetsuo.

In: NeuroReport, Vol. 21, No. 3, 02.2010, p. 173-178.

Research output: Contribution to journalArticle

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