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Familiarity affects environmental sound processing outside the focus of attention: an event-related potential study.
Clin Neurophysiol. 2009 May; 120(5):887-96.CN

Abstract

OBJECTIVE

This study investigated the influence of the familiarity of an environmental sound on sound processing outside the focus of attention.

METHODS

By comparing ERPs elicited by a familiar, animal sound and an acoustically matched, but unfamiliar, complex sound, three issues were addressed: (a) general differences in the processing of the familiar and the unfamiliar sound, (b) influences of sound familiarity on the processing of deviants unrelated to familiarity and (c) familiarity-specific processing depending on the sound context. Participants watched a silent, subtitled movie.

RESULTS

The familiar sound elicited a centro-parietal enhancement of the N1, a frontocentrally enhanced P2 and an additional P250. Auditory deviance processing elicited by deviants in sound location was not influenced by the familiarity of the sounds. However, after an involuntary switch of attention to the deviant, an N400-like deflection indicated enhanced semantic analysis of the familiar deviant. Familiarity-specific ERP effects as a consequence of the sound context occurred between 300 and 500 ms after stimulus onset.

CONCLUSION

Whereas familiarity of an environmental sound elicited enhanced stimulus processing before 300 ms, influences of the sound context were observed subsequent to 300 ms.

SIGNIFICANCE

Familiarity of a complex environmental sound influences several stages of auditory processing outside the focus of attention.

Authors+Show Affiliations

University of Leipzig, Institute for Psychology I, Seeburgstr. 14-20, 04103 Leipzig, Germany. ukirmse@uni-leipzig.deNo affiliation info availableNo affiliation info available

Pub Type(s)

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

Language

eng

PubMed ID

19345610

Citation

Kirmse, Ursula, et al. "Familiarity Affects Environmental Sound Processing Outside the Focus of Attention: an Event-related Potential Study." Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology, vol. 120, no. 5, 2009, pp. 887-96.
Kirmse U, Jacobsen T, Schröger E. Familiarity affects environmental sound processing outside the focus of attention: an event-related potential study. Clin Neurophysiol. 2009;120(5):887-96.
Kirmse, U., Jacobsen, T., & Schröger, E. (2009). Familiarity affects environmental sound processing outside the focus of attention: an event-related potential study. Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology, 120(5), 887-96. https://doi.org/10.1016/j.clinph.2009.02.159
Kirmse U, Jacobsen T, Schröger E. Familiarity Affects Environmental Sound Processing Outside the Focus of Attention: an Event-related Potential Study. Clin Neurophysiol. 2009;120(5):887-96. PubMed PMID: 19345610.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Familiarity affects environmental sound processing outside the focus of attention: an event-related potential study. AU - Kirmse,Ursula, AU - Jacobsen,Thomas, AU - Schröger,Erich, Y1 - 2009/04/03/ PY - 2008/09/27/received PY - 2009/01/22/revised PY - 2009/02/09/accepted PY - 2009/4/7/entrez PY - 2009/4/7/pubmed PY - 2009/7/1/medline SP - 887 EP - 96 JF - Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology JO - Clin Neurophysiol VL - 120 IS - 5 N2 - OBJECTIVE: This study investigated the influence of the familiarity of an environmental sound on sound processing outside the focus of attention. METHODS: By comparing ERPs elicited by a familiar, animal sound and an acoustically matched, but unfamiliar, complex sound, three issues were addressed: (a) general differences in the processing of the familiar and the unfamiliar sound, (b) influences of sound familiarity on the processing of deviants unrelated to familiarity and (c) familiarity-specific processing depending on the sound context. Participants watched a silent, subtitled movie. RESULTS: The familiar sound elicited a centro-parietal enhancement of the N1, a frontocentrally enhanced P2 and an additional P250. Auditory deviance processing elicited by deviants in sound location was not influenced by the familiarity of the sounds. However, after an involuntary switch of attention to the deviant, an N400-like deflection indicated enhanced semantic analysis of the familiar deviant. Familiarity-specific ERP effects as a consequence of the sound context occurred between 300 and 500 ms after stimulus onset. CONCLUSION: Whereas familiarity of an environmental sound elicited enhanced stimulus processing before 300 ms, influences of the sound context were observed subsequent to 300 ms. SIGNIFICANCE: Familiarity of a complex environmental sound influences several stages of auditory processing outside the focus of attention. SN - 1872-8952 UR - https://www.unboundmedicine.com/medline/citation/19345610/Familiarity_affects_environmental_sound_processing_outside_the_focus_of_attention:_an_event_related_potential_study_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S1388-2457(09)00200-4 DB - PRIME DP - Unbound Medicine ER -