article 2 behavioral analysis Affective learning 1 Algorithms 1 Animals 1 Behavior, Animal 1 Behavioral analysis 1 Biological signals 1 Computers 1 Convolutional neural network 1 Convolutional neural networks 1 Electrophysiological Phenomena 1 Face recognition 1 Facial Expressions 1 Facial expression recognition 1 Heart rate variability 1 Image database 1 Internet of things 1 Neural-networks 1 Physiological data 1 Physiology 1 Software 1 Students 1 algorithm 1 animal 1 animal behavior 1 attention 1 computer 1 controlled study 1 convolutional neural network 1