Master in Sexology and Psychosexual Counseling. For More Info WhatsApp- 9604715783/9359863878. Later on in the therapy, another assignment might consist of exercises to cope with problem situations of a particular kind. The importance of the structure of psychotherapy treatments for Depression take 6 to 12 months, with weekly 50-minute sessions Psychotherapy for Depression Today, there are several effective psychosocial treatments for Depression. Some types of psychotherapy have undergone more rigorous research than others. However, as a whole, the below treatments are helpful options. All are short-term therapies, lasting anywhere from 10 to 20 sessions.