Decreased hedonic and motivational capacity, namely anhedonia, is one of the cardinal features for patients with major depressive disorder (MDD). Recent studies suggest that this reduced ability to experience pleasure is also a marker or endophenotype for MDD and represents a genetic predisposition to this disorder.
Dr. ZHU Tingshao’s research has proposed a novel method for identifying human emotion from natural walking. Results indicate that it is possible to identify emotion using gait data. Besides, ankle is more capable to reveal human emotion (angry/neutral/happy) than wrist.