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Stimulus-specific plasticity of macaque V1 spike rates and gamma

Lookup NU author(s): Professor Michael Schmid

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This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).

Abstract

© 2021 The Author(s)When a visual stimulus is repeated, average neuronal responses typically decrease, yet they might maintain or even increase their impact through increased synchronization. Previous work has found that many repetitions of a grating lead to increasing gamma-band synchronization. Here, we show in awake macaque area V1 that both repetition-related reductions in firing rate and increases in gamma are specific to the repeated stimulus. These effects show some persistence on the timescale of minutes. Gamma increases are specific to the presented stimulus location. Further, repetition effects on gamma and on firing rates generalize to images of natural objects. These findings support the notion that gamma-band synchronization subserves the adaptive processing of repeated stimulus encounters.

Publication metadata

Author(s): Peter A, Stauch BJ, Shapcott K, Kouroupaki K, Schmiedt JT, Klein L, Klon-Lipok J, Dowdall JR, Scholvinck ML, Vinck M, Schmid MC, Fries P

Publication type: Article

Publication status: Published

Journal: Cell Reports

Year: 2021

Volume: 37

Issue: 10

Print publication date: 07/12/2021

Online publication date: 07/12/2021

Acceptance date: 11/11/2021

Date deposited: 07/01/2022

ISSN (electronic): 2211-1247

Publisher: Elsevier B.V.

URL: https://doi.org/10.1016/j.celrep.2021.110086

DOI: 10.1016/j.celrep.2021.110086

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