wearable devices human 3 Article 2 Humans 2 Wearable devices 2 cognition 2 controlled study 2 feature extraction 2 heart rate variability 2 human experiment 2 time series analysis 2 Accelerometers 1 Amplitude modulation 1 Baseline wandering 1 Binary classification 1 Biomedical monitoring 1 CNN 1 Cardiac Surgical Procedures 1 Cardiac surgery 1 Cardiopulmonary Bypass 1 Cardiopulmonary bypass 1 Cardiovascular monitoring 1 Cardiovascular surgery 1 Cognition 1 Cognitive workloads 1 Cost efficiency 1 DESIGN 1 DEVICES 1 Detection accuracy 1 Driving under the influence 1