Washington [US], May 4 (ANI): Young adults when sleep-deprived evaluate angry faces as less trustworthy and healthy-looking. Furthermore, neutral and fearful faces appear less attractive following sleep loss, suggests the findings of a new study from Uppsala University.
Washington D.C. [USA] Sep 29(ANI): Past studies have suggested that greater sensitivity to fearful faces is linked to heightened levels of prosocial behaviour, which can already be seen in preschool children.