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  Cholinergic‐related pupil activity reflects level of emotionality during motor performance

Vidal, M., Onderdijk, K. E., Aguilera, A. M., Six, J., Maes, P., Fritz, T. H., et al. (2024). Cholinergic‐related pupil activity reflects level of emotionality during motor performance. European Journal of Neuroscience, 59(9), 2193-2207. doi:10.1111/ejn.15998.

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Item Permalink: https://hdl.handle.net/21.11116/0000-000D-0D9C-6 Version Permalink: https://hdl.handle.net/21.11116/0000-000F-43A0-0
Genre: Journal Article

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 Creators:
Vidal, Marc1, 2, 3, Author           
Onderdijk, Kelsey E.1, Author
Aguilera, Ana M.2, Author
Six, Joren1, Author
Maes, Pieter‐Jan1, Author
Fritz, Thomas Hans1, 3, Author           
Leman, Marc1, Author
Affiliations:
1Institute for Psychoacoustics and Electronic Music, Ghent University, Belgium, ou_persistent22              
2Department of Statistics and Operations Research, Institute of Mathematics, University of Granada, Spain, ou_persistent22              
3Department Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634549              

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Free keywords: Emotional motor control; Functional data; Generalized arousal; Neuromodulation; Singing; Turbulence
 Abstract: Pupil size covaries with the diffusion rate of the cholinergic and noradrenergic neurons throughout the brain, which are essential to arousal. Recent findings suggest slow pupil fluctuations during locomotion are an index of sustained activity in cholinergic axons, whereas phasic dilations are related to the activity of noradrenergic axons. Here we investigated arousal due to movement to actively control music (singing) and swaying to music, hypothesizing that actively engaging in musical behavior while singing and moving along to the music will more strongly engage participants emotionally and lead to a qualitatively different pattern of tonic and phasic pupil activity. A challenge in the analysis of pupil data is the turbulent behavior of pupil diameter due to exogenous ocular activity commonly encountered during motor tasks and the high variability typically found between individuals. To address this, we developed an algorithm that adaptively estimates and removes pupil responses to ocular events and a functional data methodology derived from Pfaffs' generalized arousal that provides a new statistical dimension in how pupil data can be interpreted according to putative neuromodulatory signaling. We found that actively engaging in singing enhanced slow cholinergic-related pupil dilations, and having the opportunity to move your body while performing amplified the effect of singing on pupil activity. Phasic pupil oscillations during motor execution attenuated in time, which often is interpreted as a measure of sense of agency over movement.

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Language(s): eng - English
 Dates: 2023-04-202022-10-132023-04-262023-04-282024-05
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1111/ejn.15998
Other: epub 2023
PMID: 37118877
 Degree: -

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Project name : -
Grant ID : G046518N
Funding program : -
Funding organization : Flemish Government
Project name : -
Grant ID : PID2020-113961GB-I00
Funding program : -
Funding organization : Spanish Ministry of Science and Innovation
Project name : -
Grant ID : A-FQM-66-UGR20
Funding program : -
Funding organization : Consejer ́ıa de Conocimiento,Investigaci ́on y Universidad, Junta de Andaluc ́ıa (Spain)
Project name : -
Grant ID : CEX2020-001105-M/AEI/10.13039/501100011033
Funding program : -
Funding organization : IMAG–Mar ́ıa de Maeztu

Source 1

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Title: European Journal of Neuroscience
  Other : Eur. J. Neurosci
Source Genre: Journal
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Publ. Info: Oxford, UK : Published on behalf of the European Neuroscience Association by Oxford University Press
Pages: - Volume / Issue: 59 (9) Sequence Number: - Start / End Page: 2193 - 2207 Identifier: ISSN: 0953-816X
CoNE: https://pure.mpg.de/cone/journals/resource/954925575988