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Repetition enhancement to voice identities in the dog brain

Authors: Marianna Boros; Anna Gábor; Dóra Szabó; Anett Bozsik; Márta Gácsi; Ferenc Szalay; Tamás Faragó; +1 Authors

Repetition enhancement to voice identities in the dog brain

Abstract

AbstractIn the human speech signal, cues of speech sounds and voice identities are conflated, but they are processed separately in the human brain. The processing of speech sounds and voice identities is typically performed by non-primary auditory regions in humans and non-human primates. Additionally, these processes exhibit functional asymmetry in humans, indicating the involvement of distinct mechanisms. Behavioural studies indicate analogue side biases in dogs, but neural evidence for this functional dissociation is missing. In two experiments, using an fMRI adaptation paradigm, we presented awake dogs with natural human speech that either varied in segmental (change in speech sound) or suprasegmental (change in voice identity) content. In auditory regions, we found a repetition enhancement effect for voice identity processing in a secondary auditory region – the caudal ectosylvian gyrus. The same region did not show repetition effects for speech sounds, nor did the primary auditory cortex exhibit sensitivity to changes either in the segmental or in the suprasegmental content. Furthermore, we did not find evidence for functional asymmetry neither in the processing of speech sounds or voice identities. Our results in dogs corroborate former human and non-human primate evidence on the role of secondary auditory regions in the processing of suprasegmental cues, suggesting similar neural sensitivity to the identity of the vocalizer across the mammalian order.

Country
Hungary
Subjects by Vocabulary

Microsoft Academic Graph classification: medicine.medical_specialty Audiology Auditory cortex Identity (music) Gyrus medicine Speech sound Repetition (rhetorical device) fMRI adaptation Human brain medicine.anatomical_structure Functional asymmetry Psychology

Library of Congress Subject Headings: lcsh:Medicine lcsh:Science lcsh:R lcsh:Q

Keywords

Male, Article, Dogs, Animals, Language, Auditory Cortex, Multidisciplinary, Brain, Magnetic Resonance Imaging, Auditory Perception, Auditory system, Female, Cues

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    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Top 10%
    influence
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    Average
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Top 10%
  • citations
    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    12
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Top 10%
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    Average
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Top 10%
    Powered byBIP!BIP!
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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
12
Top 10%
Average
Top 10%
Green
gold
Funded by
EC| EVOLOR
Project
EVOLOR
Cognitive Ageing in Dogs
  • Funder: European Commission (EC)
  • Project Code: 680040
  • Funding stream: H2020 | ERC | ERC-STG
Validated by funder
Related to Research communities
Neuroinformatics
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