AP PSYCHOLOGY

Detailed explanation-1: -Sadness. Facial movements: Inner corners of eyebrows raised, eyelids loose, lip corners pulled down. Sadness is hard to fake, according to researchers. One of the telltale signs of sadness is the inner-brow raise, which very few people can do on demand.

Detailed explanation-2: -Raised brows also are used to flirt, to express agreement, surprise, fear, disbelief or disapproval, and to send a silent greeting.

Detailed explanation-3: -SURPRISE: The upper eyelids and brows rise, and the jaw drops open. ANGER: Both the lower and upper eyelids tighten as the brows lower and draw together.

Detailed explanation-4: -A frown (also known as a scowl) is a facial expression in which the eyebrows are brought together, and the forehead is wrinkled, usually indicating displeasure, sadness or worry, or less often confusion or concentration.