Table 4 Averaged signal quality indices for the EEG data in decibels.

From: Unobtrusive measurement of cognitive load and physiological signals in uncontrolled environments

Modality

Mean AVG

Min AVG

Max AVG

AVG STD

SNR-LAB (dB)

3.73

0.17

8.50

1.73

SNR-WILD (dB)

2.20

−10.95

21.63

5.62

  1. SQIs were computed as described in ‘Data Quality Analysis’ and subsequently averaged across all participants and recordings for respective modalities. Positive SQI values signify an informative signal.
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