Mood disorders are thought to be caused by a combination of genetic, physiological, and environmental factors. A number of theories have been proposed to explain the etiology of mood disorders. Which of the following theories suggests norepinephrine and serotonin levels are major factors in the onset of depression?
A)Catecholamine hypothesis
B)Permissive theory
C)Beck cognitive theory
D)Rehm's self-regulating model

Question

Quizplus · Accepted Answer

Permissive theory suggests that norepinephrine and serotonin levels are major factors in the onset of depression. The catecholamine hypothesis also focuses on irregular levels of brain chemicals, but posits that a deficiency of norepinephrine is responsible for depression

Mood Disorders Are Thought to Be Caused by a Combination