Activation of fast sleep spindles at the premotor cortex and parietal areas contributes to motor learning: A study using sloreta
Clinical Neurophysiology Volume 120 Issue 5
Page 878-886
published_at 2009
アクセス数 : 771 件
ダウンロード数 : 256 件
今月のアクセス数 : 1 件
今月のダウンロード数 : 3 件
この文献の参照には次のURLをご利用ください : https://ir.lib.hiroshima-u.ac.jp/00027771
File |
ClinNeur_120_878.pdf
425 KB
種類 :
fulltext
|
Title ( eng ) |
Activation of fast sleep spindles at the premotor cortex and parietal areas contributes to motor learning: A study using sloreta
|
Creator |
Tamaki Masako
Matsuoka Tatsuya
Hori Tadao
|
Source Title |
Clinical Neurophysiology
|
Volume | 120 |
Issue | 5 |
Start Page | 878 |
End Page | 886 |
Abstract |
Objective: The present study examined whether slow and/or fast sleep spindles are related to visuomotor learning, by examining the densities of current sleep spindle activities. Methods: Participants completed a visuomotor task before and after sleep on the learning night. This task was not performed on the non-learning night. Standard polysomnographic recordings were made. After the amplitudes of slow and fast spindles were calculated, sLORETA was used to localize the source of slow and fast spindles and to investigate the relationship between spindle activity and motor learning. Results: Fast spindle amplitude was significantly larger on the learning than on the non-learning nights, particularly at the left frontal area. sLORETA revealed that fast spindle activities in the left frontal and left parietal areas were enhanced when a new visuomotor skill was learned. There were no significant learning-dependent changes in slow spindle activity. Conclusions: Fast spindle activity increases in cortical areas that are involved in learning a new visuomotor skill. The thalamocortical network that underlies the generation of fast spindles may contribute to the synaptic plasticity that occurs during sleep. Significance: Activity of fast sleep spindles is a possible biomarker of memory deficits.
|
Keywords |
Sleep
Memory
Learning
Sleep spindle
Fast spindle
Premotor cortex
Parietal associative area
|
NDC |
Medical sciences [ 490 ]
|
Language |
eng
|
Resource Type | journal article |
Publisher |
Elsevier Ireland Ltd
|
Date of Issued | 2009 |
Rights |
Copyright (c) 2009 International Federation of Clinical Neurophysiology Published by Elsevier Ireland Ltd.
|
Publish Type | Author’s Original |
Access Rights | open access |
Source Identifier |
[ISSN] 1388-2457
[DOI] 10.1016/j.clinph.2009.03.006
[NCID] AA11309888
[DOI] http://dx.doi.org/10.1016/j.clinph.2009.03.006
|