Effects of visual contrast on inverse effectiveness in audiovisual integration

Fengxia Wu, Xiaoyu Tang, Yanna Ren, Weiping Yang, Satoshi Takahashi, Jinglong Wu

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Citation (Scopus)

Abstract

Bimodal audiovisual signals can be detected more quickly and accurately than unimodal visual signals or auditory signals. This beneficial effect is called audiovisual integration. Audiovisual integration has often been described according to the spatial principle, the temporal principle and the inverse effectiveness principle. Inverse effectiveness indicates that the largest audiovisual enhancements are inversely correlated with the strength of the response to unisensory component stimuli; thus, weaker stimuli generate greater enhancement when presented together. In addition, some studies have suggested that the visual contrast feature can modulate audiovisual integration and obtained an inverse relationship between visual contrast and audiovisual integration. This review aims to summarize previous studies and describe the relationship between visual contrast and inverse effectiveness by behavior, ERP and fMRI experimental methods. By summarizing previous studies, we have determined the direction of future work.

Original languageEnglish
Title of host publicationImproving the Quality of Life for Dementia Patients through Progressive Detection, Treatment, and Care
PublisherIGI Global
Pages187-200
Number of pages14
ISBN (Electronic)9781522509264
ISBN (Print)1522509259, 9781522509257
DOIs
Publication statusPublished - Oct 11 2016

ASJC Scopus subject areas

  • Medicine(all)

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  • Cite this

    Wu, F., Tang, X., Ren, Y., Yang, W., Takahashi, S., & Wu, J. (2016). Effects of visual contrast on inverse effectiveness in audiovisual integration. In Improving the Quality of Life for Dementia Patients through Progressive Detection, Treatment, and Care (pp. 187-200). IGI Global. https://doi.org/10.4018/978-1-5225-0925-7.ch009