Somatosensory evoked fast optical intensity changes detected non-invasively in the adult human head.

@article{Steinbrink2000SomatosensoryEF,
  title={Somatosensory evoked fast optical intensity changes detected non-invasively in the adult human head.},
  author={Jens Steinbrink and Matthias Kohl and Hellmuth Obrig and Gabriel Curio and Frank Syr{\'e} and Fabrice Thomas and Heidrun Wabnitz and Herbert Rinneberg and Arno Villringer},
  journal={Neuroscience letters},
  year={2000},
  volume={291 2},
  pages={105-8}
}
This work is the first to report optical intensity changes (DeltaI/I approximately 0.05%) with a latency between 60 and 160ms after electrical median nerve stimulation at 5Hz detected non-invasively through the intact adult human skull in volunteers. The signal is localised and reproducible when measuring at the same position on successive examinations. Compared to previous reports of fast optical changes in the human adult by a single group (Psychophysiology, 32 (1995) 505) the here reported… CONTINUE READING

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