Psychology 190 Psychotherapy 119 Psychological aspects 117 Research 53 Treatment 50 Mental health 40 Periodicals 34 Methodology 32 Psychologists 30 History 28 Prevention 26 Cognitive therapy 23 Study and teaching 23 Moral and ethical aspects 22 psychology 22 Clinical psychology 21 Professional ethics 21 Social aspects 20 methods 20 Counseling 19 Post-traumatic stress disorder 19 Psychotherapist and patient 19 Social psychology 19 Older people 18 Psychotherapists 18 Mental illness 16 Psychic trauma 16 Education 15 Family psychotherapy 15 Women 15