During the Renaissance, abnormal behavior was believed to result from ______

Biological research concerning the development of mood disorders suggests that ________

a. acetylcholine and dopamine may be key neurotransmitters in depression. b. a long form of the gene 5-HTT may predispose a person to depression. c. depressed people have high levels of cortisol, which can affect the hippocampus and amygdala. d. part of the problem of depression is the underproduction of cortisol.

Teens are more likely to develop a solid ethnic identity when

A) they live in neighborhoods that are ethnically diverse. B) they explore the history and customs of their ethnic culture. C) their families take part in ethnic celebrations and serve ethnic meals. D) All of the above.