Activities in the frontal cortex and gait performance are modulated by preparation. An fNIRS study.

Activities in the frontal cortex and gait performance are modulated by preparation. An fNIRS study. Research Abstract Details 

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Activities in the frontal cortex and gait performance are modulated by preparation. An fNIRS study. Abstract Text:

Mitsuo Suzuki,Ichiro Miyai,Takeshi Ono,Kisou Kubota,Mitsuo Suzuki,Ichiro Miyai,Takeshi Ono,Kisou Kubota,

Neural activities in the primary motor cortex and supplementary motor area increase during the preparation as well as execution of voluntary movements of the hand and foot. However, there are few studies concerning preparatory activities of the brain preceding walking performance. We investigated how a verbal instruction "ready" before walking affected cortical activations and walking performances using a functional near-infrared spectroscopy. Seven healthy subjects performed two locomotor tasks on a treadmill with a verbal instruction "ready" before the treadmill was started (prepared walking; PW) and without it (simple walking; SW). Cadence was smaller and stride length was longer in PW than in SW. Increases of oxygenated hemoglobin (oxyHb) in the frontal regions especially in the prefrontal and premotor cortices were greater in PW than in SW both during the preparation and walking periods. These results suggested that preparation for walking cued by a verbal instruction enhanced frontal activations both during the preparation and execution of walking as well as walking performance.

Activities in the frontal cortex and gait performance are modulated by preparation. An fNIRS study. Publishing Authors By Initials

M Suzuki,I Miyai,T Ono,K Kubota,M Suzuki,I Miyai,T Ono,K Kubota,

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Activities in the frontal cortex and gait performance are modulated by preparation. An fNIRS study. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: NeuroImage

VOLUME: 39

Page Numbers: 600-7

Journal Abbreviation: Neuroimage

ISSN: 1053-8119

DAY: 5

MONTH: 09

YEAR: 2007

Activities in the frontal cortex and gait performance are modulated by preparation. An fNIRS study. Information

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LANGUAGE: eng

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Grant and Affiliation Information for Activities in the frontal cortex and gait performance are modulated by preparation. An fNIRS study.

AFFILIATION: Department of Rehabilitation, Bobath Memorial Hospital, Osaka, Japan; Neurorehabilitation Research Institute, Morinomiya Hospital, 2-1-88, Morinomiya, Joto-ku, Osaka, 536-0025, Japan.

Country: United States

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