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  Steady-state responses to concurrent melodies: source distribution, top-down, and bottom-up attention

Manting, C. L., Gulyas, B., Ullén, F., & Lundqvist, D. (2022). Steady-state responses to concurrent melodies: source distribution, top-down, and bottom-up attention. Cerebral Cortex, bhac260. doi:10.1093/cercor/bhac260.

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kog-22-ull-01-steady.pdf (Publisher version), 2MB
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This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited. © The Author(s) 2022. Published by Oxford University Press.

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 Creators:
Manting, Cassia Low1, 2, Author
Gulyas, Balazs1, 2, Author
Ullén, Fredrik3, 4, Author                 
Lundqvist, Daniel1, Author
Affiliations:
1Department of Clinical Neuroscience, Karolinska Institutet , Stockholm 17177, Sweden, ou_persistent22              
2Cognitive Neuroimaging Centre (CoNiC) , Lee Kong Chien School of Medicine, Nanyang Technological University , Singapore 636921, Singapore , ou_persistent22              
3Department of Cognitive Neuropsychology, Max Planck Institute for Empirical Aesthetics, Max Planck Society, ou_3351901              
4Department of Neuroscience, Karolinska Institutet , Stockholm 17177, Sweden, ou_persistent22              

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Free keywords: ASSR, cocktail party, MEG, music, simultaneous
 Abstract: Humans can direct attentional resources to a single sound occurring simultaneously among others to extract the most behaviourally relevant information present. To investigate this cognitive phenomenon in a precise manner, we used frequency-tagging to separate neural auditory steady-state responses (ASSRs) that can be traced back to each auditory stimulus, from the neural mix elicited by multiple simultaneous sounds. Using a mixture of 2 frequency-tagged melody streams, we instructed participants to selectively attend to one stream or the other while following the development of the pitch contour. Bottom-up attention towards either stream was also manipulated with salient changes in pitch. Distributed source analyses of magnetoencephalography measurements showed that the effect of ASSR enhancement from top-down driven attention was strongest at the left frontal cortex, while that of bottom-up driven attention was dominant at the right temporal cortex. Furthermore, the degree of ASSR suppression from simultaneous stimuli varied across cortical lobes and hemisphere. The ASSR source distribution changes from temporal-dominance during single-stream perception, to proportionally more activity in the frontal and centro-parietal cortical regions when listening to simultaneous streams. These findings are a step forward to studying cognition in more complex and naturalistic soundscapes using frequency-tagging.

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Language(s): eng - English
 Dates: 2022-06-032021-11-222022-06-032022-07-21
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1093/cercor/bhac260
 Degree: -

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Title: Cerebral Cortex
Source Genre: Journal
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Publ. Info: New York, NY : Oxford University Press
Pages: - Volume / Issue: - Sequence Number: bhac260 Start / End Page: - Identifier: ISSN: 1047-3211
CoNE: https://pure.mpg.de/cone/journals/resource/954925592440