Based on the information provided within the question it can be said that the type of treatment that this individual is most likely receiving is cognitive therapy. This type of therapy focuses on the individual's present day thinking, behavior, and communication as opposed to past trauma. This type of therapy is most commonly used in treating depression, anxiety, eating disorders, substance abuse, and other types of personality disorders. Such as is the case in this scenario.
Cognitive therapy can be use when a person is depressed by trying to challenge and stop the negative thought thereby turning them to positive thoughts which in turn change the way a depressed person sees the world.
Unipolar depression often occur when a person is constantly in a depressed mood and has no interest in his or her day to day activities which can lead to behavioural and physical change such as lack of appetite, sleep disorder, lack of concentration.
Treatment of Unipolar depression are through cognitive therapy or talk therapy and medication which may help to normalise the brain.
That is the reason a person experiencing unipolar depression writes in an activity In order to overcome negative thought.
