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Exposure to arousal-inducing sounds facilitates visual search
Linköpings universitet, Institutionen för beteendevetenskap och lärande, Psykologi. Linköpings universitet, Filosofiska fakulteten.
Linköpings universitet, Institutionen för beteendevetenskap och lärande, Psykologi. Linköpings universitet, Filosofiska fakulteten. Decis Research, OR 97401 USA.
2017 (engelsk)Inngår i: Scientific Reports, ISSN 2045-2322, E-ISSN 2045-2322, Vol. 7, artikkel-id 10363Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Exposure to affective stimuli could enhance perception and facilitate attention via increasing alertness, vigilance, and by decreasing attentional thresholds. However, evidence on the impact of affective sounds on perception and attention is scant. Here, a novel aspect of affective facilitation of attention is studied: whether arousal induced by task-irrelevant auditory stimuli could modulate attention in a visual search. In two experiments, participants performed a visual search task with and without auditory-cues that preceded the search. Participants were faster in locating high-salient targets compared to low-salient targets. Critically, search times and search slopes decreased with increasing auditory-induced arousal while searching for low-salient targets. Taken together, these findings suggest that arousal induced by sounds can facilitate attention in a subsequent visual search. This novel finding provides support for the alerting function of the auditory system by showing an auditory-phasic alerting effect in visual attention. The results also indicate that stimulus arousal modulates the alerting effect. Attention and perception are our everyday tools to navigate our surrounding world and the current findings showing that affective sounds could influence visual attention provide evidence that we make use of affective information during perceptual processing.

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NATURE PUBLISHING GROUP , 2017. Vol. 7, artikkel-id 10363
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URN: urn:nbn:se:liu:diva-140944DOI: 10.1038/s41598-017-09975-8ISI: 000408997700062PubMedID: 28871100OAI: oai:DiVA.org:liu-140944DiVA, id: diva2:1142433
Tilgjengelig fra: 2017-09-19 Laget: 2017-09-19 Sist oppdatert: 2017-10-06

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