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The whole is more than the sum of its parts - audiovisual processing of phonemes investigated with ERPs.
Brain Lang. 2013 Mar; 124(3):213-24.BL

Abstract

In the current ERP study, an active oddball task was carried out, testing pure tones and auditory, visual and audiovisual syllables. For pure tones, an MMN, an N2b, and a P3 were found, confirming traditional findings. Auditory syllables evoked an N2 and a P3. We found that the amplitude of the P3 depended on the distance between standard and deviant. A smaller distance required more attention, which was reflected in a larger amplitude. An analysis of audiovisual material, after correction for visual activity, showed that McGurk type stimuli evoked brain responses that differed from both the standard and the congruent deviants. Finally, we found that congruent audiovisual stimuli elicited an N2 with a shorter latency and a P3 with a smaller amplitude than auditory stimuli. The current ERP study, thus, shows that for audiovisual processing the whole is more than the sum of its parts.

Authors+Show Affiliations

Center for Language and Cognition Groningen, University of Groningen, The Netherlands. me@doerte.euNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

23395711

Citation

Hessler, Dörte, et al. "The Whole Is More Than the Sum of Its Parts - Audiovisual Processing of Phonemes Investigated With ERPs." Brain and Language, vol. 124, no. 3, 2013, pp. 213-24.
Hessler D, Jonkers R, Stowe L, et al. The whole is more than the sum of its parts - audiovisual processing of phonemes investigated with ERPs. Brain Lang. 2013;124(3):213-24.
Hessler, D., Jonkers, R., Stowe, L., & Bastiaanse, R. (2013). The whole is more than the sum of its parts - audiovisual processing of phonemes investigated with ERPs. Brain and Language, 124(3), 213-24. https://doi.org/10.1016/j.bandl.2012.12.006
Hessler D, et al. The Whole Is More Than the Sum of Its Parts - Audiovisual Processing of Phonemes Investigated With ERPs. Brain Lang. 2013;124(3):213-24. PubMed PMID: 23395711.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - The whole is more than the sum of its parts - audiovisual processing of phonemes investigated with ERPs. AU - Hessler,Dörte, AU - Jonkers,Roel, AU - Stowe,Laurie, AU - Bastiaanse,Roelien, Y1 - 2013/02/09/ PY - 2011/08/17/received PY - 2012/07/19/revised PY - 2012/12/14/accepted PY - 2013/2/12/entrez PY - 2013/2/12/pubmed PY - 2013/8/16/medline SP - 213 EP - 24 JF - Brain and language JO - Brain Lang VL - 124 IS - 3 N2 - In the current ERP study, an active oddball task was carried out, testing pure tones and auditory, visual and audiovisual syllables. For pure tones, an MMN, an N2b, and a P3 were found, confirming traditional findings. Auditory syllables evoked an N2 and a P3. We found that the amplitude of the P3 depended on the distance between standard and deviant. A smaller distance required more attention, which was reflected in a larger amplitude. An analysis of audiovisual material, after correction for visual activity, showed that McGurk type stimuli evoked brain responses that differed from both the standard and the congruent deviants. Finally, we found that congruent audiovisual stimuli elicited an N2 with a shorter latency and a P3 with a smaller amplitude than auditory stimuli. The current ERP study, thus, shows that for audiovisual processing the whole is more than the sum of its parts. SN - 1090-2155 UR - https://www.unboundmedicine.com/medline/citation/23395711/The_whole_is_more_than_the_sum_of_its_parts___audiovisual_processing_of_phonemes_investigated_with_ERPs_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0093-934X(13)00002-3 DB - PRIME DP - Unbound Medicine ER -