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Emotion-inducing approaching sounds shape the boundaries of multisensory peripersonal space
University of Ottawa, Canada.
University of London, England.
Linköping University, Department of Behavioural Sciences and Learning. Linköping University, Faculty of Arts and Sciences.
Fdn Ist Italiano Tecnol, Italy; University of G DAnnunzio, Italy.
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2015 (English)In: Neuropsychologia, ISSN 0028-3932, E-ISSN 1873-3514, Vol. 70, 468-475 p.Article in journal (Refereed) Published
Abstract [en]

In order to survive in a complex environment, inhabited by potentially threatening and noxious objects or living beings, we need to constantly monitor our surrounding space, especially in the vicinity of our body. Such a space has been commonly referred to as ones peripersonal space (PPS). In this study we investigated whether emotion-inducing approaching sound sources impact the boundaries of PPS. Previous studies have indeed showed that the boundaries of PPS are not fixed but modulate according to properties of stimuli in the surrounding environment. In Experiment 1, participants performed a simple tactile detection task of targets presented to their right hand. Concurrently, they were presented with intensity-changing task-irrelevant artificial sound sources perceived as approaching toward their body. The physical properties of the sound elicited emotional responses of either neutral or negative valence. Results showed larger PPS when the approaching stimulus had negative as compared to neutral emotional valence. In Experiment 2, we used ecological sounds which content (i.e., psychological associations to the sound producing source), rather than physical properties, elicited emotional responses of negative, positive or neutral valence. In agreement with results from experiment 1, we found larger PPS when the approaching stimuli had negative emotional valence as compared to both neutral and positive ones. Results are discussed within the theoretical framework that conceives PPS as a safety zone around ones body. (C) 2015 Elsevier Ltd. All rights reserved.

Place, publisher, year, edition, pages
Elsevier , 2015. Vol. 70, 468-475 p.
Keyword [en]
Peripersonal space; Multisensory integration; Emotion; Auditory sources; Approaching; looming sounds
National Category
Psychology
Identifiers
URN: urn:nbn:se:liu:diva-118986DOI: 10.1016/j.neuropsychologia.2015.03.001ISI: 000354596900048PubMedID: 25744869OAI: oai:DiVA.org:liu-118986DiVA: diva2:818141
Note

Funding Agencies|BIAL foundation [41/12]; Volkswagen Foundations European Platform for Life Sciences, Mind Sciences and the Humanities [85 639]; ESRC [ES/K001477/1]; Marie Curie Actions of the European Unions Seventh Framework Programme under REA [GA-303172]

Available from: 2015-06-08 Created: 2015-06-05 Last updated: 2015-06-08

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Väljamäe, Aleksander
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Department of Behavioural Sciences and LearningFaculty of Arts and Sciences
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ReferencesLink to record
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