Regional cerebral blood flow during voluntary arm and hand movements in human subjects

The four movements were performed in random order and consisted of abduction of the index finger, making a fist, sequential thumb to digit opposition, and shoulder flexion

J. G. Colebatch

2017

Scholarcy highlights

  • The four movements were performed in random order and consisted of abduction of the index finger, making a fist, sequential thumb to digit opposition, and shoulder flexion
  • Increases in Regional cerebral blood flow were interpreted as evidence of local neural activation and all four movements were associated with significant increases in CBF in the contralateral sensorimotor and premotor areas and in the supplementary motor area. 4
  • The average increase in blood flow in the contralateral sensorimotor cortex was significantly greater for the shoulder movement than for the three other movements
  • Shoulder movement alone was associated with significant increases in rCBF in the ipsilateral sensorimotor cortex, the superior vermis of the cerebellum, and Brodmann areas 5 and 40 in the contralateral hemisphere
  • Ipsilateral deficits of targeted movements after stroke 1 1No commercial party having a direct financial interest in the results of the research supporting this article has or will confer a benefit upon the author(s) or upon any organization with which the author(s) is/are associated

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