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Gamma and beta bursts during working memory readout suggest roles in its volitional control

Author

Listed:
  • Mikael Lundqvist

    (Massachusetts Institute of Technology)

  • Pawel Herman

    (KTH Royal Institute of Technology)

  • Melissa R. Warden

    (Massachusetts Institute of Technology
    Cornell University)

  • Scott L. Brincat

    (Massachusetts Institute of Technology)

  • Earl K. Miller

    (Massachusetts Institute of Technology)

Abstract

Working memory (WM) activity is not as stationary or sustained as previously thought. There are brief bursts of gamma (~50–120 Hz) and beta (~20–35 Hz) oscillations, the former linked to stimulus information in spiking. We examined these dynamics in relation to readout and control mechanisms of WM. Monkeys held sequences of two objects in WM to match to subsequent sequences. Changes in beta and gamma bursting suggested their distinct roles. In anticipation of having to use an object for the match decision, there was an increase in gamma and spiking information about that object and reduced beta bursting. This readout signal was only seen before relevant test objects, and was related to premotor activity. When the objects were no longer needed, beta increased and gamma decreased together with object spiking information. Deviations from these dynamics predicted behavioral errors. Thus, beta could regulate gamma and the information in WM.

Suggested Citation

  • Mikael Lundqvist & Pawel Herman & Melissa R. Warden & Scott L. Brincat & Earl K. Miller, 2018. "Gamma and beta bursts during working memory readout suggest roles in its volitional control," Nature Communications, Nature, vol. 9(1), pages 1-12, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-017-02791-8
    DOI: 10.1038/s41467-017-02791-8
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    Cited by:

    1. Mikael Lundqvist & Scott L. Brincat & Jonas Rose & Melissa R. Warden & Timothy J. Buschman & Earl K. Miller & Pawel Herman, 2023. "Working memory control dynamics follow principles of spatial computing," Nature Communications, Nature, vol. 14(1), pages 1-12, December.
    2. Johan Liljefors & Rita Almeida & Gustaf Rane & Johan N. Lundström & Pawel Herman & Mikael Lundqvist, 2024. "Distinct functions for beta and alpha bursts in gating of human working memory," Nature Communications, Nature, vol. 15(1), pages 1-15, December.
    3. Jiayang Xiao & Joshua A. Adkinson & John Myers & Anusha B. Allawala & Raissa K. Mathura & Victoria Pirtle & Ricardo Najera & Nicole R. Provenza & Eleonora Bartoli & Andrew J. Watrous & Denise Oswalt &, 2024. "Beta activity in human anterior cingulate cortex mediates reward biases," Nature Communications, Nature, vol. 15(1), pages 1-13, December.
    4. Daniel Pacheco-Estefan & Marie-Christin Fellner & Lukas Kunz & Hui Zhang & Peter Reinacher & Charlotte Roy & Armin Brandt & Andreas Schulze-Bonhage & Linglin Yang & Shuang Wang & Jing Liu & Gui Xue & , 2024. "Maintenance and transformation of representational formats during working memory prioritization," Nature Communications, Nature, vol. 15(1), pages 1-20, December.

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