Painful stimuli evoke potentials recorded from the parasylvian cortex in humans.

@article{Lenz1998PainfulSE,
  title={Painful stimuli evoke potentials recorded from the parasylvian cortex in humans.},
  author={Fred Lenz and Marcos R{\'i}os and Damon Chau and Gregory L. Krauss and T. Ali Zirh and Ronald P. Lesser},
  journal={Journal of neurophysiology},
  year={1998},
  volume={80 4},
  pages={2077-88}
}
Cutaneous stimulation of the face and hand with a CO2 laser in three awake patients evoked potentials (LEPs) recorded from the dominant left parasylvian cortex. These were recorded by means of a subdural grid of electrodes implanted for evaluation of epilepsy. Stimulation of the contralateral face resulted in waveforms consisting of a negative potential (N2, 162 +/- 5 ms; mean +/- SE) followed by a positive potential (P2, 340 +/- 18 ms). Both waves occurred at longer latency after hand than… CONTINUE READING

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