An activity program means a program which is staffed and equipped to meet the needs and interests of patients. Patients shall be encouraged to participate in activities suited to their individual needs. An activity program shall have a written planned schedule of social and other purposeful independent or group activities for each patient designed to make his life more meaningful, to stimulate and support his desire to use his physical and mental capabilities to their fullest extent, to enable him to maintain his highest attainable social, physical and emotional functioning, his usefulness and self-respect but not necessarily to correct or remedy a disability.