People with PTSD may also develop further, secondary psychological disorders as complications of the disorder. Treating Psychological Disorders ADHD is a developmental behaviour disorder characterized by problems with focus, difficulty maintaining attention, and inability to concentrate, in which symptoms start before seven years of age Canadian Mental Health Association, Such prepared learning has also been shown to occur in monkeys.
Commonly, mood and affect in a major depressive illness are unreactive to circumstance remaining low throughout the course of each day, although for some people mood varies diurnally, with gradual improvement throughout the day only to return to a low mood on waking.
Service user characteristics Comorbidity was the most important factor that negatively correlates with therapy outcome and affects the chances of relapse Emslie et al.
In particular, comorbid depression Marciniak et al. The DSM frequently uses qualifiers to indicate different levels of severity within a category. Another difficulty in diagnosing psychological disorders is that they frequently occur together.
Evidence from many sources indicates that most psychological disorders have a genetic component; in fact, there is little dispute that some disorders are largely due to genetic factors.
Comorbidity occurs when people who suffer from one disorder also suffer at the same time from other disorders. But, consider the nervousness a young man feels when talking to attractive women or the loneliness and longing for home a freshman experiences during her first semester of college—these feelings may not be regularly present, but they fall in the range of normal.