circadian rhythm sleep disorder in DSM–IV–TR, a sleep disor...
emotional security the feeling of safety, confidence, and f...
source amnesia impaired memory for how, when, or where info...
Amalric’s syndrome see Diallinas–Amalric syndrome. [French...
function n. 1. the use or purpose of something....
reciprocal altruism a form of helping behavior that is sust...