Supplementary motor area seizures: propagation pathways as studied with invasive recordings.

@article{Baumgartner1996SupplementaryMA,
  title={Supplementary motor area seizures: propagation pathways as studied with invasive recordings.},
  author={Christoph Baumgartner and Robert D. Flint and Ingrid E. B. Tuxhorn and Paul C. Van Ness and J Kosalko and A. Olbrich and Gabrielle Almer and Klaus Novak and Hans Otto L{\"u}ders},
  journal={Neurology},
  year={1996},
  volume={46 2},
  pages={508-14}
}
We studied propagation of epileptic discharges in five patients with supplementary motor area (SMA) seizures with subdural grid electrodes implanted over the dorsolateral frontal neocortex and in the interhemispheric fissure. We found that both interictal and ictal epileptic discharges occurred synchronously in the SMA and the primary cortex. The actively involved electrodes were separated by silent electrodes. The time lag between the SMA and the primary motor cortex averaged 25 msec for… CONTINUE READING

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