Research shows that depression is often preceded by stressful life events, although not all such events lead to depression. What characteristics of a stressful life did Brown and Harris identify as more likely to lead to depression?

Which of the following summarizes the research evaluating psychological and pharmacological treatments for depression?

a. Antidepressant medication is the most effective approach. b. Cognitive therapy is the most effective approach. c. Antidepressants and cognitive therapy are both effective forms of treatment. d. Antidepressants work better on more severe depression and cognitive therapy works better with milder depression.

TB_02_56 Sara has been experiencing a serious memory problem. An interdisciplinary team has ruled out a range of causes and believes that a neurotransmitter is involved. Which neurotransmitter is most likely involved in this problem?

a) GABA b) dopamine c) serotonin d) acetylcholine