Age at learning a second language is the only factor that determines proficiency

Researchers believe that the stimulation of REM sleep is

A) necessary to refine fine muscle development of the eye. B) more important in adolescence than in infancy. C) more important for adults than for babies. D) vital for growth of the central nervous system.

Regarding cultural differences in emotions, which of the following statements is FALSE?

a. Certain emotions are more common in some cultures than others. b. Compared to Western cultures, Asian cultures tend to discourage public displays of emotion. c. Culture influences norms about emotional display and experience. d. Researchers fail to find differences across cultures in how accurately emotions are recognized. e. There appear to be distinctive national styles of smiling.