Final answer:
The correct answer is a) Manic episodes. Unipolar depression is a type of mood disorder characterized by persistent sadness, loss of interest or pleasure, changes in sleep and appetite, and other symptoms such as feelings of worthlessness and difficulty concentrating. However, it does not include manic episodes.
Step-by-step explanation:
The correct answer is a) Manic episodes.
Unipolar depression is a type of mood disorder characterized by persistent sadness, loss of interest or pleasure, changes in sleep and appetite, and other symptoms such as feelings of worthlessness and difficulty concentrating. However, it does not include manic episodes. Manic episodes are associated with bipolar disorder, which involves alternating periods of depression and mania.