Introduction to Psychology 10th Edition by Rod Plotnik,Haig Kouyoumdjian

Exercise 6

Specific inherited facial patterns or expressions that signal specific feelings or emotional states across cultures, such as a smile signaling a happy state, are called (a) _____. These emotional expressions, which are said to include happiness, surprise, fear, anger, contempt, disgust, and sadness, are thought to have evolved because they had important (b) _____ functions for our ancestors. Evidence for universal emotions includes that people in different cultures recognize the same (c) _____ expressions, that infants in different cultures show a predictable (d) _____ in developing facial expressions, and that even blind children, who cannot observe their parents' faces, develop smiling at the same time as sighted children.