Prominence of delta oscillatory rhythms in the motor cortex and their relevance for auditory and speech perception

TY - JOUR

T1 - Prominence of delta oscillatory rhythms in the motor cortex and their relevance for auditory and speech perception

AU - Morillon, Benjamin

AU - Arnal, Luc H.

AU - Schroeder, Charles E.

AU - Keitel, Anne

N1 - B.M was supported by grants ANR-16-CONV-0002 (ILCB), ANR-11-LABX-0036 (BLRI) and the Excellence Initiative of Aix-Marseille University (A*MIDEX). C.E.S. supported by R01 MH111439 and P50 MH109429.

PY - 2019/12

Y1 - 2019/12

N2 - In the motor cortex, beta oscillations (~12-30 Hz) are generally considered a principal rhythm contributing to movement planning and execution. Beta oscillations cohabit and dynamically interact with slow delta oscillations (0.5-4 Hz), but the role of delta oscillations and the subordinate relationship between these rhythms in the perception-action loop remains unclear. Here, we review evidence that motor delta oscillations shape the dynamics of motor behaviors and sensorimotor processes, in particular during auditory perception. We describe the functional coupling between delta and beta oscillations in the motor cortex during spontaneous and planned motor acts. In an active sensing framework, perception is strongly shaped by motor activity, in particular in the delta band, which imposes temporal constraints on the sampling of sensory information. By encoding temporal contextual information, delta oscillations modulate auditory processing and impact behavioral outcomes. Finally, we consider the contribution of motor delta oscillations in the perceptual analysis of speech signals, providing a contextual temporal frame to optimize the parsing and processing of slow linguistic information.

AB - In the motor cortex, beta oscillations (~12-30 Hz) are generally considered a principal rhythm contributing to movement planning and execution. Beta oscillations cohabit and dynamically interact with slow delta oscillations (0.5-4 Hz), but the role of delta oscillations and the subordinate relationship between these rhythms in the perception-action loop remains unclear. Here, we review evidence that motor delta oscillations shape the dynamics of motor behaviors and sensorimotor processes, in particular during auditory perception. We describe the functional coupling between delta and beta oscillations in the motor cortex during spontaneous and planned motor acts. In an active sensing framework, perception is strongly shaped by motor activity, in particular in the delta band, which imposes temporal constraints on the sampling of sensory information. By encoding temporal contextual information, delta oscillations modulate auditory processing and impact behavioral outcomes. Finally, we consider the contribution of motor delta oscillations in the perceptual analysis of speech signals, providing a contextual temporal frame to optimize the parsing and processing of slow linguistic information.

KW - Active inference

KW - Active sensing

KW - Audio-motor coupling

KW - Delta

KW - Neural oscillations

KW - Rhythm

KW - Speech perception

UR - https://www.scopus.com/pages/publications/85072187784

U2 - 10.1016/j.neubiorev.2019.09.012

DO - 10.1016/j.neubiorev.2019.09.012

M3 - Review article

C2 - 31518638

SN - 0149-7634

VL - 107

SP - 136

EP - 142

JO - Neuroscience and Biobehavioral Reviews

JF - Neuroscience and Biobehavioral Reviews

ER -