Answer:
Bipolar disorder
Explanation:
Bipolar disorder: In abnormal psychology, the term Bipolar disorder is also known as manic depression which is a mental condition that leads to severe mood swings including emotional lows such as depression and highs such as mania. If an individual gets depressed, then the person feels hopeless or sad and lose his or her interest in pleasure-seeking activities.
Categories of bipolar disorder:
1. Bipolar I disorder.
2. Bipolar II disorder.
3. Cyclothymic disorder.
4. Bipolar disorder due to substance abuse disorder.
