The fast optical signal—Robust or elusive when non-invasively measured in the human adult?

@article{Steinbrink2005TheFO,
  title={The fast optical signal—Robust or elusive when non-invasively measured in the human adult?},
  author={Jens Steinbrink and Florian Kempf and Arno Villringer and Hellmuth Obrig},
  journal={NeuroImage},
  year={2005},
  volume={26},
  pages={996-1008}
}
Near infrared spectroscopy (NIRS) can detect vascular changes in cerebral cortical tissue elicited by functional stimulation. For some 10 years, another optical signal has been reported to be accessible by NIRS. This signal has been reported to correlate to the electrophysiological response rendering NIRS an exquisite non-invasive approach to investigate neurovascular coupling in the human adult. Due to their typical latency of up to hundreds of milliseconds, these signals have been termed… CONTINUE READING
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