Summary
Brief pulses of Laser emitted radiant heat were used to induce cutaneous painful sensations in human volunteers. Accurate timing of the stimuli permitted recording of scalp averaged evoked potentials. A late negative-positive component of the EP which correlated in amplitude with the subjective sensation was abserved in four subjects. The latency of this component (130–160 msec) correlated with stimulus intensity.
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This study was supported by a David Rose Grant.
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Carmon, A., Mor, J. & Goldberg, J. Evoked cerebral responses to noxious thermal stimuli in humans. Exp Brain Res 25, 103–107 (1976). https://doi.org/10.1007/BF00237330
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DOI: https://doi.org/10.1007/BF00237330