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  Resting-state theta oscillations and reward sensitivity in risk taking

Azanova, M., Herrojo Ruiz, M., Belianin, A. V., Klucharev, V., & Nikulin, V. V. (2021). Resting-state theta oscillations and reward sensitivity in risk taking. Frontiers in Neuroscience, 15. doi:10.3389/fnins.2021.608699.

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 Creators:
Azanova, Maria1, 2, Author
Herrojo Ruiz, Maria3, 4, Author
Belianin, Alexis V.4, 5, Author
Klucharev, Vasily2, Author
Nikulin, Vadim V.4, 6, Author              
Affiliations:
1Max Planck School of Cognition, Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany, ou_persistent22              
2International Laboratory of Social Neurobiology, Institute of Cognitive Neuroscience, National Research University Higher School of Economics, Moscow, Russia, ou_persistent22              
3Department of Psychology, Goldsmiths, University of London, United Kingdom, ou_persistent22              
4Centre for Cognition and Decision Making, National Research University Higher School of Economics, Moscow, Russia, ou_persistent22              
5International College of Economics and Finance, National Research University Higher School of Economics, Moscow, Russia, ou_persistent22              
6Department Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634549              

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Free keywords: Risk taking; Theta oscillations; Sex differences; Reward sensitivity; Frontal asymmetry; Spontaneous neural activity; Domain-specific risk-taking scale; Magnetoencephalagraphy
 Abstract: Females demonstrate greater risk aversion than males on a variety of tasks, but the underlying neurobiological basis is still unclear. We studied how theta (4–7 Hz) oscillations at rest related to three different measures of risk taking. Thirty-five participants (15 females) completed the Bomb Risk Elicitation Task (BRET), which allowed us to measure risk taking during an economic game. The Domain-Specific Risk-Taking Scale (DOSPERT) was used to measure self-assessed risk attitudes as well as reward and punishment sensitivities. In addition, the Barratt Impulsiveness Scale (BIS11) was included to quantify impulsiveness. To obtain measures of frontal theta asymmetry and frontal theta power, we used magnetoencephalography (MEG) acquired prior to task completion, while participants were at rest. Frontal theta asymmetry correlated with average risk taking during the game but only in the female sample. By contrast, frontal theta power correlated with risk taking as well as with measures of reward and punishment sensitivity in the joint sample. Importantly, we showed that reward sensitivity mediated a correlation between risk taking and the power of theta oscillations localized to the anterior cingulate cortex. In addition, we observed significant sex differences in source- and sensor-space theta power, risk taking during the game, and reward sensitivity. Our findings suggest that sensitivity to rewards, associated with resting-state theta oscillations in the anterior cingulate cortex, is a trait that potentially contributes to sex differences in risk taking.

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Language(s): eng - English
 Dates: 2020-09-212021-03-172021-04-28
 Publication Status: Published online
 Pages: -
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 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.3389/fnins.2021.608699
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Grant ID : 075-15-2019-1930
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Funding organization : National Research University Higher School of Economics

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Title: Frontiers in Neuroscience
  Other : Front Neurosci
Source Genre: Journal
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Publ. Info: Lausanne, Switzerland : Frontiers Research Foundation
Pages: - Volume / Issue: 15 Sequence Number: - Start / End Page: - Identifier: ISSN: 1662-4548
ISSN: 1662-453X
CoNE: https://pure.mpg.de/cone/journals/resource/1662-4548