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The cortical activation pattern during bilateral arm raising movements
- The cortical activation pattern during bilateral arm raising movements
- Jang, Sung Ho; Seo, Jung Pyo; Lee, Seung-Hyun; Jin, Sang-Hyun; Yeo, Sang Seok
- DGIST Authors
- Jin, Sang-Hyun
- Issue Date
- Neural Regeneration Research, 12(2), 317-320
- Article Type
- Bilateral Arm Raising; Bilateral Arm Raising; Corticoreticulospinal Tract; Corticoreticulospinal Tract; Corticospinal Tract; Corticospinal Tract; Functional Nirs; Functional Nirs; Human Brain; Infrared Spectroscopy Fnirs; Motor Control; Motor Control; Motor Recovery; Nerve Regeneration; Nerve Regeneration; Neural Regeneration; Neural Regeneration; Neuronal Activation; Neuronal Activation; Plasticity; Premotor Cortex; Pyramidal Tract; Stimulation; Stroke; System; Walking
- Bilateral arm raising movements have been used in brain rehabilitation for a long time. However, no study has been reported on the effect of these movements on the cerebral cortex. In this study, using functional near infrared spectroscopy (fNIRS), we attempted to investigate cortical activation generated during bilateral arm raising movements. Ten normal subjects were recruited for this study. fNIRS was performed using an fNIRS system with 49 channels. Bilateral arm raising movements were performed in sitting position at the rate of 0.5 Hz. We measured values of oxyhemoglobin and total hemoglobin in five regions of interest: the primary sensorimotor cortex, premotor cortex, supplementary motor area, prefrontal cortex, and posterior parietal cortex. During performance of bilateral arm raising movements, oxyhemoglobin and total hemoglobin values in the primary sensorimotor cortex, premotor cortex, supplementary motor area, and prefrontal cortex were similar, but higher in these regions than those in the prefrontal cortex. We observed activation of the arm somatotopic areas of the primary sensorimotor cortex and premotor cortex in both hemispheres during bilateral arm raising movements. According to this result, bilateral arm raising movements appeared to induce large-scale neuronal activation and therefore arm raising movements would be good exercise for recovery of brain functions. © 2017, Medknow Publications. All rights reserved.
- Medknow Publications
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