The _____ increase(s) activation when we are sleep-deprived, and can reduce impairment in learning to a small degree

According to Erikson, the adult years consist of three psychological stages, one of which

is a. competence versus inferiority. b. initiative versus guilt. c. intimacy versus isolation. d. identity versus role confusion. e. autonomy versus self-doubt.

Allen is in his house alone late at night when he hears a loud, frightening noise. His

heart begins pounding, his senses sharpen, and his muscles tense up. Allen's reaction is due to the activity of his ______ nervous system. a. sympathetic c. somatic b. parasympathetic d. central