Are ultra-short term HRV features valid surrogates for short term HRV features in mental stress detection?
Ultra-short term HRV features can serve as valid surrogates for short term HRV features when investigating mental stress in real-life settings.
This study concluded that 6 ultra-short HRV features are valid surrogates of short HRV features for mental stress investigation.
Castaldo et al. (Thu,) studied this question.
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