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research article

Emotional sounds in space: asymmetrical representation within early-stage auditory areas

Grisendi, Tiffany
•
Clarke, Stephanie
•
Da Costa, Sandra  
May 19, 2023
Frontiers In Neuroscience

Evidence from behavioral studies suggests that the spatial origin of sounds may influence the perception of emotional valence. Using 7T fMRI we have investigated the impact of the categories of sound (vocalizations; non-vocalizations), emotional valence (positive, neutral, negative) and spatial origin (left, center, right) on the encoding in early-stage auditory areas and in the voice area. The combination of these different characteristics resulted in a total of 18 conditions (2 categories x 3 valences x 3 lateralizations), which were presented in a pseudo-randomized order in blocks of 11 different sounds (of the same condition) in 12 distinct runs of 6 min. In addition, two localizers, i.e., tonotopy mapping; human vocalizations, were used to define regions of interest. A three-way repeated measure ANOVA on the BOLD responses revealed bilateral significant effects and interactions in the primary auditory cortex, the lateral early-stage auditory areas, and the voice area. Positive vocalizations presented on the left side yielded greater activity in the ipsilateral and contralateral primary auditory cortex than did neutral or negative vocalizations or any other stimuli at any of the three positions. Right, but not left area L3 responded more strongly to (i) positive vocalizations presented ipsi- or contralaterally than to neutral or negative vocalizations presented at the same positions; and (ii) to neutral than positive or negative non-vocalizations presented contralaterally. Furthermore, comparison with a previous study indicates that spatial cues may render emotional valence more salient within the early-stage auditory areas.

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Type
research article
DOI
10.3389/fnins.2023.1164334
Web of Science ID

WOS:000999490800001

Author(s)
Grisendi, Tiffany
Clarke, Stephanie
Da Costa, Sandra  
Date Issued

2023-05-19

Publisher

FRONTIERS MEDIA SA

Published in
Frontiers In Neuroscience
Volume

17

Article Number

1164334

Subjects

Neurosciences

•

Neurosciences & Neurology

•

human vocalizations

•

emotions

•

auditory belt areas

•

voice area

•

lateralization

•

7t fmri

•

hemispheric lesions

•

cytochrome-oxidase

•

spatial location

•

cortex

•

identification

•

responses

•

fmri

•

perception

•

attention

•

acetylcholinesterase

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
CIBM  
Available on Infoscience
June 19, 2023
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/198408
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