Broca's area of the brain is most closely associated with emotional behavior

Many researchers believe that mirror neurons allow humans to ________

a. experience empathy. b. coordinate complicated motor tasks. c. develop facial expressions for basic emotions. d. reverse left-right movements when performing a task in front of a mirror.

Physical aggression peaks

a. in the first year. b. between 18 and 24 months. c. between 24 and 42 months. d. at age 5.