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Frontiers in Neuroscience, volume 17

Losses resulting from deliberate exploration trigger beta oscillations in frontal cortex

Chernyshev Boris V. ^{1, 2, 3}

Pultsina Kristina I. ¹

Tretyakova Vera D. ¹

Miasnikova Aleksandra S. ¹

Prokofyev Andrey O. ¹

Kozunova Galina L. ¹

Stroganova Tatiana A. ¹

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Center for Neurocognitive Research (MEG Center), Moscow State University of Psychology and Education, Russia |

Department of Higher Nervous Activity, Lomonosov Moscow State University, Russia |

Department of Psychology, Higher School of Economics, Russia |

Publication type: Journal Article

Publication date: 2023-05-11

Frontiers Media S.A.

Journal: Frontiers in Neuroscience

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Impact factor: 4.3

ISSN: 16624548, 1662453X

DOI: 10.3389/fnins.2023.1152926

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General Neuroscience

Abstract

We examined the neural signature of directed exploration by contrasting MEG beta (16–30 Hz) power changes between disadvantageous and advantageous choices in the two-choice probabilistic reward task. We analyzed the choices made after the participants have learned the probabilistic contingency between choices and their outcomes, i.e., acquired the inner model of choice values. Therefore, rare disadvantageous choices might serve explorative, environment-probing purposes. The study brought two main findings. Firstly, decision making leading to disadvantageous choices took more time and evidenced greater large-scale suppression of beta oscillations than its advantageous alternative. Additional neural resources recruited during disadvantageous decisions strongly suggest their deliberately explorative nature. Secondly, an outcome of disadvantageous and advantageous choices had qualitatively different impact on feedback-related beta oscillations. After the disadvantageous choices, only losses—but not gains—were followed by late beta synchronization in frontal cortex. Our results are consistent with the role of frontal beta oscillations in the stabilization of neural representations for selected behavioral rule when explorative strategy conflicts with value-based behavior. Punishment for explorative choice being congruent with its low value in the reward history is more likely to strengthen, through punishment-related beta oscillations, the representation of exploitative choices consistent with the inner utility model.

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Chernyshev B. V. et al. Losses resulting from deliberate exploration trigger beta oscillations in frontal cortex // Frontiers in Neuroscience. 2023. Vol. 17.

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Chernyshev B. V., Pultsina K. I., Tretyakova V. D., Miasnikova A. S., Prokofyev A. O., Kozunova G. L., Stroganova T. A. Losses resulting from deliberate exploration trigger beta oscillations in frontal cortex // Frontiers in Neuroscience. 2023. Vol. 17.

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RIS Copy

TY - JOUR

DO - 10.3389/fnins.2023.1152926

UR - https://doi.org/10.3389%2Ffnins.2023.1152926

TI - Losses resulting from deliberate exploration trigger beta oscillations in frontal cortex

T2 - Frontiers in Neuroscience

AU - Chernyshev, Boris V.

AU - Pultsina, Kristina I.

AU - Tretyakova, Vera D.

AU - Miasnikova, Aleksandra S.

AU - Prokofyev, Andrey O.

AU - Kozunova, Galina L.

AU - Stroganova, Tatiana A.

PY - 2023

DA - 2023/05/11 00:00:00

PB - Frontiers Media S.A.

VL - 17

SN - 1662-4548

SN - 1662-453X

ER -

BibTex

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@article{2023_Chernyshev,

author = {Boris V. Chernyshev and Kristina I. Pultsina and Vera D. Tretyakova and Aleksandra S. Miasnikova and Andrey O. Prokofyev and Galina L. Kozunova and Tatiana A. Stroganova},

title = {Losses resulting from deliberate exploration trigger beta oscillations in frontal cortex},

journal = {Frontiers in Neuroscience},

year = {2023},

volume = {17},

publisher = {Frontiers Media S.A.},

month = {may},

url = {https://doi.org/10.3389%2Ffnins.2023.1152926},

doi = {10.3389/fnins.2023.1152926}

}

Found error?

Publisher

Frontiers Media S.A.

Journal

Frontiers in Neuroscience

Quartile SCImago

Quartile WOS

Impact factor

4.3

ISSN

16624548 (Print)
1662453X (Electronic)

Labs

MEG Center (REC for Neurocognitive Research)

Profiles

Chernyshev, Boris V