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. 2025 Aug 27;27:e75658. doi: 10.2196/75658

Table 8.

Measures used for assessing operators’ cognitive workload.

Measure Studies, n (%)
Self-report measures

NASAa Task Load Index 27 (59)

Situation Awareness Rating Technique 2 (4)
Physiological measures

EEGb 1 (2)

Eye tracking 5 (11)

fNIRSc 2 (4)

HRVd 1 (2)

aNASA: NASA.

bEEG: electroencephalography.

cfNIRS: functional near-infrared spectroscopy.

dHRV: heart rate variability.