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Human motor cortical beta bursts relate to movement planning and response errors

PLoS biology, 2019-10, Vol.17 (10), p.e3000479-e3000479 [Peer Reviewed Journal]

2019 Little et al. This is an open access article distributed under the terms of the Creative Commons Attribution License: http://creativecommons.org/licenses/by/4.0/ (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;2019 Little et al 2019 Little et al ;ISSN: 1545-7885 ;ISSN: 1544-9173 ;EISSN: 1545-7885 ;DOI: 10.1371/journal.pbio.3000479 ;PMID: 31584933

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Title:
Human motor cortical beta bursts relate to movement planning and response errors
Author: Little, Simon ; Bonaiuto, James ; Barnes, Gareth ; Bestmann, Sven
Ganguly, Karunesh
Subjects: Adult ; Amplitudes ; Beta Rhythm - physiology ; Biology and Life Sciences ; Bursting strength ; Bursts ; Cortical Synchronization - physiology ; Data processing ; Delayed response ; Disease ; Earth Sciences ; Engineering and Technology ; Evoked Potentials - physiology ; Female ; Functional morphology ; Human motion ; Humans ; Hypotheses ; Hypothesis testing ; Information processing ; Little, James ; Magnetoencephalography ; Male ; Medical imaging ; Medicine and Health Sciences ; Motor Cortex - anatomy & histology ; Motor Cortex - physiology ; Movement - physiology ; Neurology ; Neurosciences ; Reaction Time - physiology ; Research and Analysis Methods ; Social Sciences ; Synchronism
Is Part Of: PLoS biology, 2019-10, Vol.17 (10), p.e3000479-e3000479
Description: Motor cortical beta activity (13-30 Hz) is a hallmark signature of healthy and pathological movement, but its behavioural relevance remains unclear. Using high-precision magnetoencephalography (MEG), we show that during the classical event-related desynchronisation (ERD) and event-related synchronisation (ERS) periods, motor cortical beta activity in individual trials (n > 12,000) is dominated by high amplitude, transient, and infrequent bursts. Beta burst probability closely matched the trial-averaged beta amplitude in both the pre- and post-movement periods, but individual bursts were spatially more focal than the classical ERS peak. Furthermore, prior to movement (ERD period), beta burst timing was related to the degree of motor preparation, with later bursts resulting in delayed response times. Following movement (ERS period), the first beta burst was delayed by approximately 100 milliseconds when an incorrect response was made. Overall, beta burst timing was a stronger predictor of single trial behaviour than beta burst rate or single trial beta amplitude. This transient nature of motor cortical beta provides new constraints for theories of its role in information processing within and across cortical circuits, and its functional relevance for behaviour in both healthy and pathological movement.
Publisher: United States: Public Library of Science
Language: English
Identifier: ISSN: 1545-7885
ISSN: 1544-9173
EISSN: 1545-7885
DOI: 10.1371/journal.pbio.3000479
PMID: 31584933
Source: GFMER Free Medical Journals
MEDLINE
PubMed Central
Public Library of Science (PLoS)
ProQuest Central
DOAJ Directory of Open Access Journals

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Human motor cortical beta bursts relate to movement planning and response errors

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