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Summary of the abovementioned comparisons of analysis of signals in the literature.
| Analysis of signal | Number of electrodes | Subbands | Filtering | Method of analysis | Feature extraction |
| Common | 1, 3, or 7 (prefrontal) | Standard subbands | Preprocessing on site | Fourier and its derivatives | t test or ANOVAa |
| Recommended | 19+ (all electrodes) | Broadband | Minimal preprocessing | Fractal and nonlinear | PCAb or GAc |
aANOVA: analysis of variance.
bPCA: principal component analysis.
cGA: genetic algorithm.
