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anxiety disorders (5).docx

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Richard B Day

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October 24 , 2012 Psych 2AP3: Abnormal Psychology – Major Disorders Anxiety Disorders (5) Etiology of Anxiety - what is it about the control of anxiety that might underlie these disorder - behavioural symptoms:  avoidance and escape behaviours  panic disorder: you stay away from the situations that cue panic  phobias: you deal with your issues by staying away from the situations that cause you to experience anxiety  ritualistic and repetitive behaviours that people engage in to avoid anxiety  compulsions in OCD - cognitive symptoms: even though what we see is behavioural what’s really behind this is the way in which they are interpreting the situations, particular thoughts about what might happen if they come into contact with these objects/situations  intrusive thoughts:  obsessions in OCD  recollections in PTSD  strong, persistent fear: where does that thought or cognition come from and how can we treat the disorder by reducing these fears - psychological processes:  response inhibition: failure of response inhibition  OCD: repetitive stereotyped behaviour  Emotion regulation: failure to regulate the experience of fear or panic  All anxiety disorders  Defense mechanisms: misapplication or overuse of unconscious defense mechanisms - brain structure, function, chemistry: what are the underlying aspects of functioning or neurochemistry in the brain responsible for these anxiety disorders - genetic bases: potential genetic basis that predisposes to anxiety Etiology of anxiety – behavioural - classical conditioning of fear: based on the assumption that somehow the individual has come to associate these thoughts with anxiety through classical conditioning, have to understand how the learning takes place  PD:  Unconscious internal stimuli precede anxiety/panic = CSs for fear and anxiety: before we consciously experience anxiety there are other interoseptive stimuli related to the position of body and other, occurring before the experience of anxiety which we associate with anxiety unconsciously  Conditioning of fear to unconscious memories  OCD:  Fear conditioned to environmental event  Anxiety-reducing behaviours reinforced Etiology of Anxiety – cognitive - focus on thinking process that lead to the fear in the first place - PD: Catastrophic appraisal model  Catastrophic interpretation of body sensations – conscious or unconscious (hyperventilation, Na lactate, mitral valve prolapse)  Attentional bias towards threat in PD, GAD, SAD: more likely to pay attenti
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