PSYCH 2AP3 Lecture Notes - Lecture 6: Panic Attack, Panic Disorder, Anxiety Disorder
18 Feb 2018
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Dsm-5 criteria: panic disorder (pd: recurring, unexpected panic attacks involving a sudden surge of intense fear or discomfort during which at least 4 of the following symptoms occur: Sodium lactate infusion: 70% have attack from na lactate infusion, produce large ne increases in susceptibles, pet data from positive infusers, increase brain metabolism, increase activity in non-dominant hippocampus. Increased sympathetic tone: slower adaptation to repeated stimuli, strong ans responses to moderate stimuli, 50% have mitral valve prolapse thought to be genetic, can produce some symptoms of pd in non pd individuals. Etiology of pd: psychodynamic reoccurrence of separation anxiety: 20-50% of pd with agoraphobia had symptoms of separation anxiety as children imipramine blocks distress od separation in dogs/monkeys, also effective on pd, also treats school phobia. Social phobia fear of embarrassment or humiliation in social/performance situations: situations avoided, or tolerated with anxiety, annual = 7, among most prevalent anxiety disorders, usually chronic; typical onset in teens lifetime = 11%
