Analysis of auditory evoked potentials by magnitude-squared coherence.

@article{Dobie1989AnalysisOA,
  title={Analysis of auditory evoked potentials by magnitude-squared coherence.},
  author={Robert A Dobie and Matthew J Wilson},
  journal={Ear and hearing},
  year={1989},
  volume={10 1},
  pages={2-13}
}
Evoked potentials are usually analyzed in the time domain (voltage versus time). The most familiar frequency-domain measure, the power spectral density function, displays power as a function of frequency but doesn't distinguish signal power from noise power. The coherence function estimates, for each frequency, the ratio of signal power to total (signal plus noise) power and, thus, indicates the degree to which system output (scalp potential) is determined by input (acoustic stimulus… CONTINUE READING
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