TY  - JOUR
PY  - 2024//
TI  - Difference between voluntary control and conscious balance processing during quiet standing
JO  - Neuroscience letters
A1  - Suganuma, Junichi
A1  - Ueta, Kozo
A1  - Nakanishi, Koji
A1  - Ikeda, Yumi
A1  - Morioka, Shu
SP  - e137900
EP  - e137900
VL  - 837
IS  - 
N2  - The mechanism by which postural threat induced by standing at a high height causes a decrease in the amplitude and an increase in the frequency of postural sway might involve voluntary control (VC) to avoid swaying, rather than conscious balance processing, in which postural threat directs conscious balance processing. This study aimed to clarify the differences between VC and conscious balance processing during quiet standing. Twenty-seven healthy young adults were instructed to stand with their feet placed together and keep their eyes open. The standing task was performed under three standing conditions: relaxed, VC, and high-conscious movement processing (high-CMP). The center of pressure in the anteroposterior (AP) and mediolateral (ML) directions was measured using a stabilometer to assess differences in postural control. The results indicated that the mean power frequency (MPF) ML and high frequency (HF) ML were higher in the VC condition than in the high-CMP condition. In the VC and high-CMP conditions, compared with the relaxed condition, MPF AP was higher, whereas the root mean square AP and low frequency AP were lower. These results show that the sway amplitude is lower, and the frequency is higher in both the VC and high-CMP conditions compared with those in the relaxed condition; however, the frequency is higher in the VC condition than in the high-CMP condition, suggesting that the VC condition is similar to postural control under the postural threat condition.<p />  <p>Language: en</p>
LA  - en
SN  - 0304-3940
UR  - http://dx.doi.org/10.1016/j.neulet.2024.137900
ID  - ref1
ER  -