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Mirror movements complicate interpretation of cerebral activation changes during recovery from subcortical infarction.

Publication ,  Journal Article
Wittenberg, GF; Bastian, AJ; Dromerick, AW; Thach, WT; Powers, WJ
Published in: Neurorehabil Neural Repair
2000

In recovered stroke patients, performance of motor tasks with the affected limb has been reported to activate cortical areas ipsilateral to the affected side. The better to determine the causal role these areas play in recovery of motor function, we assessed cerebral activation during motor activity longitudinally after hemiparesis due to cerebral infarction. A secondary goal was to ascertain the relation between mirror movements and activation ipsilateral to motor activity. Positron emission tomography with oxygen-15 water measured regional cerebral blood flow during wrist movement early and late in the course of recovery from hemiparesis. Surface electromyography recorded muscular activity, and computer-assisted video analysis quantified movement during the scans. Mirror movements, movements contralateral to the instructed movement of the hemiparetic arm, were often seen. Activation of motor areas in the hemisphere ipsilateral to the affected limb roughly correlated with presence of mirror movements. Other changes in cerebral activation were small, when the task was controlled for rate, but high-rate-specific recruitment of ipsilateral cortical areas occurred in one case. However, the common occurrence of mirror movements, particularly with effortful tasks, complicates interpretation of data regarding the role of the ipsilateral hemisphere in recovery.

Duke Scholars

Published In

Neurorehabil Neural Repair

DOI

ISSN

1545-9683

Publication Date

2000

Volume

14

Issue

3

Start / End Page

213 / 221

Location

United States

Related Subject Headings

  • Tomography, Emission-Computed
  • Stroke Rehabilitation
  • Stroke
  • Rehabilitation
  • Recovery of Function
  • Movement Disorders
  • Movement
  • Motor Cortex
  • Middle Aged
  • Male
 

Citation

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ICMJE
MLA
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Wittenberg, G. F., Bastian, A. J., Dromerick, A. W., Thach, W. T., & Powers, W. J. (2000). Mirror movements complicate interpretation of cerebral activation changes during recovery from subcortical infarction. Neurorehabil Neural Repair, 14(3), 213–221. https://doi.org/10.1177/154596830001400307
Wittenberg, G. F., A. J. Bastian, A. W. Dromerick, W. T. Thach, and W. J. Powers. “Mirror movements complicate interpretation of cerebral activation changes during recovery from subcortical infarction.Neurorehabil Neural Repair 14, no. 3 (2000): 213–21. https://doi.org/10.1177/154596830001400307.
Wittenberg GF, Bastian AJ, Dromerick AW, Thach WT, Powers WJ. Mirror movements complicate interpretation of cerebral activation changes during recovery from subcortical infarction. Neurorehabil Neural Repair. 2000;14(3):213–21.
Wittenberg, G. F., et al. “Mirror movements complicate interpretation of cerebral activation changes during recovery from subcortical infarction.Neurorehabil Neural Repair, vol. 14, no. 3, 2000, pp. 213–21. Pubmed, doi:10.1177/154596830001400307.
Wittenberg GF, Bastian AJ, Dromerick AW, Thach WT, Powers WJ. Mirror movements complicate interpretation of cerebral activation changes during recovery from subcortical infarction. Neurorehabil Neural Repair. 2000;14(3):213–221.
Journal cover image

Published In

Neurorehabil Neural Repair

DOI

ISSN

1545-9683

Publication Date

2000

Volume

14

Issue

3

Start / End Page

213 / 221

Location

United States

Related Subject Headings

  • Tomography, Emission-Computed
  • Stroke Rehabilitation
  • Stroke
  • Rehabilitation
  • Recovery of Function
  • Movement Disorders
  • Movement
  • Motor Cortex
  • Middle Aged
  • Male