Definition: Any type of depression can make you feel sad and keep you from enjoying life. However, atypical depression — also called depression with atypical features — means that your depressed mood can brighten in response to positive events. Other key symptoms include increased appetite, sleeping too much, feeling that your arms or legs are heavy, and feeling rejected.
Symptoms: Depression that temporarily lifts in response to good news or positive events, Increased appetite that can cause weight gain, Increased desire to sleep, usually more than 10 hours a day, Heavy, leaden feeling in your arms or legs that lasts an hour or more in a day — a feeling that is different from fatigue, Sensitivity to rejection or criticism, which affects your relationships, social life or job.
Statistics: Behavior problems were investigated in 342 6- to 18-year-old children adopted from psychosocially depriving Russian institutions that provided adequate physical resources but not consistent, responsive caregiving. Results indicated that attention and externalizing problems were the most prevalent types of behavior problems in the sample as a whole. Behavior problem rates increased with age at adoption, such that children adopted at 18 months or older had higher rates than never-institutionalized children but younger-adopted children did not.