Theoriesa. Biological1) injury or illness – separates from other disorders (triggered by this brain tumors, postpartum women, PANDAs  strep throat (symptoms of OCD)2) frontal lobes: higher level thinking, increased activitya) over concern with own thoughtsb) can’t filter out irrelevant stimuli-obsessions3) basal ganglia: increased activity (responsible for movement (in cerebellum))a) Motor behavior, compulsions (tourettes syndrome ticks that they can’t control (can be verbal) )b) lower levels of serotoninb. Cognitive1) if I think about it, it will actually occur/ cause it to happen(separates from other disorders)2) rarely if ever, act on obsessions. 3) III. Treatment of Anxiety DisordersA. Behavioral (Learning)1. Phobias: a. systematic desensitization1)2)3)4)b. in-vivo exposure = c. flooding = 2. Panic disorder: 3. OCD: a.b.B. Cognitive:1. identify• catastrophizing2. retrain thinkingC. CBT:D. Biological1. Antidepressents: a.b.2. Anxiolytics:a. Buspirone (Buspar): 1)2)b. Benzodiazepines:1)2)3. Surgery: E. Best results