Bimanual digit training improves right-hand dexterity in older adults by reactivating declined ipsilateral motor-cortical inhibition

E Naito, T Morita, S Hirose, N Kimura, H Okamoto… - Scientific Reports, 2021 - nature.com
Improving deteriorated sensorimotor functions in older individuals is a social necessity in a
super-aging society. Previous studies suggested that the declined interhemispheric …

[HTML][HTML] Theoretical proposal for restoration of hand motor function based on plasticity of motor-cortical interhemispheric interaction and its developmental rule

H Nakano, Y Tang, T Morita, E Naito - Frontiers in Neurology, 2024 - frontiersin.org
After stroke, the poorer recovery of motor function of upper extremities compared to other
body parts is a longstanding problem. Based on our recent functional MRI evidence on …

Involvement of human left frontoparietal cortices in neural processes associated with task-switching between two sequences of skilled finger movements

S Uehara, N Mizuguchi, S Hirose, S Yamamoto… - Brain research, 2019 - Elsevier
In this study, we demonstrate the involvement of left frontoparietal cortices in neural
processes for task-switching between skilled movements. Functional magnetic resonance …

Modulation of plantar pressure and gastrocnemius activity during gait using electrical stimulation of the tibialis anterior in healthy adults

M Moriguchi, N Maeshige, M Ueno, Y Yoshikawa… - Plos one, 2018 - journals.plos.org
High plantar flexor moment during the stance phase is known to cause high plantar pressure
under the forefoot; however, the effects on plantar pressure due to a change of …

Changes in corticospinal excitability with short-duration high-frequency electrical muscle stimulation: a transcranial magnetic stimulation study

K Miyata, S Usuda - Journal of Physical Therapy Science, 2015 - jstage.jst.go.jp
[Purpose] Afferent input caused by electrical stimulation of a peripheral nerve or a muscle
modulates corticospinal excitability. However, a long duration of stimulation is required to …

Vibratory stimulation and not action observation or mirror therapy reduces paralyzed hand spasticity in chronic stroke survivors

H Nakano, K Nakagawa, T Ikuno, M Nagashima… - medRxiv, 2024 - medrxiv.org
Objective: Post-stroke spasticity prevalence increases with time from stroke onset, and
negatively impacts the patient′ s quality of life. Vibratory stimulation (VS) to the spastic …

Younger adult brain utilizes interhemispheric strategy of recruiting ipsilateral dorsal premotor cortex for complex finger movement, but not aging brain

G Miura, T Morita, J Park, E Naito - bioRxiv, 2024 - biorxiv.org
The ipsilateral sensorimotor cortices (dorsal premotor cortex [PMd], primary motor cortex
[M1], primary somatosensory cortex [S1], and superior parietal cortex of Area 2) are often …

Effect of Two Different Types of Electrical Stimulation on Upper-limb Motor Skill and Pinch Grip.

K MIYATA, S USUDA - Rigakuryoho Kagaku, 2014 - search.ebscohost.com
Abstract [Purpose] The purpose of this study was to investigate the effect on motor skill and
pinch grip of two different types of electrical stimulus, targeting the muscles and nerves …

[PDF][PDF] 4-2 人の脳機能改善及びパフォーマンス向上のための研究開発: 脳を適切に作動させる抑制機構の重要性

E NAITO, J PARK, T MORITA - nict.go.jp
反映するとされる負の BOLD 信号である [2]–[8]. 我々は, 人が認知・運動課題を遂行する際に,
様々な脳領域で計測される負の BOLD 信号に着目し, 脳の領域間で起こる抑制機構の調査を進め …

運動前の2 種類の異なる電気刺激が上肢運動パフォーマンスとピンチ力に与える影響

宮田一弘, 臼田滋 - 理学療法科学, 2014 - jstage.jst.go.jp
[目的] 運動前に筋と神経を対象とした 2 種類の異なる電気刺激が運動パフォーマンスとピンチ力に
与える影響を検討することである.[対象] 健常成人 8 名とした.[方法] 木球を掌で回す課題を用い …