Altered somatosensory evoked potentials associated with improved reaction time in a simple sensorimotor response task following repetitive practice.
N140
N250
P300
reaction time task
somatosensory evoked potentials
Journal
Brain and behavior
ISSN: 2162-3279
Titre abrégé: Brain Behav
Pays: United States
ID NLM: 101570837
Informations de publication
Date de publication:
08 2020
08 2020
Historique:
received:
24
12
2019
revised:
05
03
2020
accepted:
20
03
2020
pubmed:
26
6
2020
medline:
9
6
2021
entrez:
26
6
2020
Statut:
ppublish
Résumé
Repetitive practice of sensorimotor tasks is widely used for neurorehabilitation; however, it is unknown how practice alters sensory processing (e.g., recognition, discrimination, and attentional allocation) and associated cognitive processing, such as decision-making. The purpose of this study was to investigate whether long-latency somatosensory evoked potentials (SEPs) reflecting sensory processing, attention, and decision-making are altered by sensorimotor learning. Fifteen participants performed a simple sensorimotor response task (thumb opposition in response to surface electrical stimulation), with experimental recording sessions before and after three days of practice. We then compared multiple SEP waveforms and reaction times (RTs) between pre- and postpractice trials. The RT was reduced after practice of three days, and we found a significant positive correlation between ΔRT and ΔN140 The present study suggests that motor learning improves somatosensory processing and attentional allocation via neuroplasticity and that these alterations are reflected by specific SEP changes.
Identifiants
pubmed: 32583977
doi: 10.1002/brb3.1624
pmc: PMC7428476
doi:
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
e01624Subventions
Organisme : Japan Society for the Promotion of Science
ID : a Grant-in-Aid for scientific research (C) 17K0152
Informations de copyright
© 2020 The Authors. Brain and Behavior published by Wiley Periodicals LLC.
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