Choosing adequate average number in evoked potential studies with correlation coefficient

F. Z. Shaw, C. T. Yen

Research output: Contribution to journalArticlepeer-review

Abstract

A theoretical relationship was derived among the number of trials averaged (N), initial signal-to-noise ratio (SNR) and correlation coefficient (r). The validity of this relationship was tested with simulations using one cycle sinusoidal signal and two kinds of noises, namely, white gaussian noise and rat EEG. By selecting 0.95 as an acceptable r value, the adequate average number could be determined under different SNR conditions.

Original languageEnglish
Pages (from-to)97-100
Number of pages4
JournalBiomedical Engineering - Applications, Basis and Communications
Volume12
Issue number3
Publication statusPublished - 2000 Jun 25

All Science Journal Classification (ASJC) codes

  • Biophysics
  • Bioengineering
  • Biomedical Engineering

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