Researchers compare diagnostic profiles across three patient groups in a community mental health center. Group A shows persistent low mood, anhedonia, and sleep changes for several weeks. Group B shows alternating periods of elevated, expansive mood with decreased need for sleep and depressive episodes. Group C reports intrusive thoughts and repetitive behaviors performed to reduce distress.
Which DSM-5 category best describes Group B?
- Acheck_circle
Bipolar disorder
- B
Major depressive disorder
- C
Persistent depressive disorder
- D
Cyclothymic disorder
Explanation
Bipolar disorder involves alternating manic or hypomanic episodes with depressive episodes, distinguishing it from unipolar depression.