§ 7601-a. Definition of the practice of psychology. 1. The practice of psychology is the observation, description, evaluation, interpretation, and modification of behavior for the purpose of preventing or eliminating symptomatic, maladaptive or undesired behavior; enhancing interpersonal relationships, personal, group or organizational effectiveness and work and/or life adjustment; and improving behavioral health and/or mental health. The practice includes, but is not limited to psychological (including neuropsychological) testing and counseling; psychoanalysis; psychotherapy; the diagnosis and treatment of mental, nervous, emotional, cognitive or behavioral disorders, disabilities, ailments or illnesses, alcoholism, substance abuse, disorders of habit or conduct, the psychological aspects of physical illness, accident, injury or disability, psychological aspects of learning (including learning disorders); and the use of accepted classification systems.

2. The term "diagnosis and treatment" means the appropriate psychological diagnosis and the ordering or providing of treatment according to need. Treatment includes, but is not limited to counseling, psychotherapy, marital or family therapy, psychoanalysis, and other psychological interventions, including verbal, behavioral, or other appropriate means as defined in regulations promulgated by the commissioner.