Corollary discharge signals during production are domain general: An intracerebral EEG case study with a professional musician

IF 3.2 2区心理学 Q1 BEHAVIORAL SCIENCES

Cortex Pub Date : 2025-03-11 DOI:10.1016/j.cortex.2025.02.013

Anna Lorenz , Manuel Mercier , Agnès Trébuchon , Fabrice Bartolomei , Daniele Schön , Benjamin Morillon

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引用次数: 0

Abstract

As measured by event-related potentials, self-produced sounds elicit an overall reduced response in the auditory cortex compared to identical externally presented stimuli. This study examines this modulatory effect with high-precision recordings in naturalistic settings and explores whether it is domain-general across speech or music. Using stereotactic EEG with a professional musician undergoing presurgical epilepsy evaluation, we recorded auditory cortical activity during music and speech production and perception tasks. Compared to externally presented sounds, self-produced sounds induce modulation of activity in the auditory cortex which vary across frequency and spatial location but is consistent across cognitive domains (speech/music) and different stimuli. Self-produced music and speech were associated with widespread low-frequency (4–8 Hz) suppression, mid-frequency (8–80 Hz) enhancement, and decreased encoding of acoustic features. These findings reveal the domain-general nature of motor-driven corollary discharge modulatory signals and their frequency-specific effects in auditory regions.

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来源期刊

Cortex 医学-行为科学

CiteScore

7.00

自引率

5.60%

发文量

250

审稿时长

74 days

期刊介绍： CORTEX is an international journal devoted to the study of cognition and of the relationship between the nervous system and mental processes, particularly as these are reflected in the behaviour of patients with acquired brain lesions, normal volunteers, children with typical and atypical development, and in the activation of brain regions and systems as recorded by functional neuroimaging techniques. It was founded in 1964 by Ennio De Renzi.