Hemispheric asymmetry in supplementary motor area connectivity during unilateral finger movements.

@article{Rogers2004HemisphericAI,
  title={Hemispheric asymmetry in supplementary motor area connectivity during unilateral finger movements.},
  author={Baxter P. Rogers and John D. Carew and Mary E. Meyerand},
  journal={NeuroImage},
  year={2004},
  volume={22 2},
  pages={855-9}
}
Studies of unilateral finger movement in right-handed subjects have shown asymmetrical patterns of activation in primary motor cortex. Some studies have measured a similar asymmetry in the supplementary motor area (SMA), but others have not. To shed more light on the symmetry of function in the SMA, we used path analysis of functional MRI data to investigate effective connectivity during a unilateral finger movement task. We observed a slight asymmetry in task activation: left SMA was equally… CONTINUE READING

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