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  Neural correlates of auditory pattern learning in the auditory cortex

Kang, H., Auksztulewicz, R., An, H., Chacra, N. A., Sutter, M. L., & Schnupp, J. W. H. (2021). Neural correlates of auditory pattern learning in the auditory cortex. Frontiers in Neuroscience, 15: 610978. doi:10.3389/fnins.2021.610978.

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neu-21-auk-04-neural.pdf (Publisher version), 2MB
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© 2021 Kang, Auksztulewicz, An, Abi Chacra, Sutter and Schnupp. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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 Creators:
Kang, Hijee1, Author
Auksztulewicz, Ryszard1, 2, Author              
An, Hyunjung1, Author
Chacra, Nicolas Abi1, Author
Sutter, Mitchell L.3, Author
Schnupp, Jan W. H.1, Author
Affiliations:
1Department of Neuroscience, City University of Hong Kong, Kowloon, Hong Kong, ou_persistent22              
2Department of Neuroscience, Max Planck Institute for Empirical Aesthetics, Max Planck Society, ou_2421697              
3Center for Neuroscience and Section of Neurobiology, Physiology and Behavior, University of CaliforniaUnited States, Davis, Davis, CA, , ou_persistent22              

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Free keywords: auditory perception, learning, electrocorticography, rat brain, auditory cortex
 Abstract: Learning of new auditory stimuli often requires repetitive exposure to the stimulus. Fast and implicit learning of sounds presented at random times enables efficient auditory perception. However, it is unclear how such sensory encoding is processed on a neural level. We investigated neural responses that are developed from a passive, repetitive exposure to a specific sound in the auditory cortex of anesthetized rats, using electrocorticography. We presented a series of random sequences that are generated afresh each time, except for a specific reference sequence that remains constant and re-appears at random times across trials. We compared induced activity amplitudes between reference and fresh sequences. Neural responses from both primary and non-primary auditory cortical regions showed significantly decreased induced activity amplitudes for reference sequences compared to fresh sequences, especially in the beta band. This is the first study showing that neural correlates of auditory pattern learning can be evoked even in anesthetized, passive listening animal models.

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Language(s): eng - English
 Dates: 2020-09-282021-02-232021-03-15
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.3389/fnins.2021.610978
 Degree: -

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Title: Frontiers in Neuroscience
Source Genre: Journal
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Publ. Info: Lausanne : Frontiers Research Foundation
Pages: - Volume / Issue: 15 Sequence Number: 610978 Start / End Page: - Identifier: ISSN: 1662-453X