Psychopathologyweek5 - Anxiety Disorders Psychopathology...

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    Anxiety Disorders Psychopathology 3313 Week 5 
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    Characteristics of Anxiety  Anxiety is future oriented Fear is present oriented  Anxiety includes:  Negative affect Apprehension about the future Physiological response Behavioral responses, esp avoidance and  impaired task performance 
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    Causes of Anxiety Disorders  Genetic vulnerability  Neurotransmitter involvement  Two models of brain circuitry:  Behavioral Inhibition System  Fight/Flight System
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    Behavioral Inhibition System  Brain stem relays danger signals (from  changes in bodily functions) to frontal  cortex through limbic system Involves septal-hippocampal areas and  amygdala  Response: freeze, experience anxiety  and apprehensively evaluate the  situation
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    Fight/Flight System  Involved in panic  Originates in brain stem and travels through  midbrain, including amygdala and  hypothalamus May be activated by serotonin deficits Produces alarm and escape response 
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    More causes of anxiety  disorders Psychological contributions  -Sense of uncontrollability -Confidence re: coping with adversity -Conditioning Stressful life events (diathesis-stress model)  Cultural factors  Negative affect/irritability/driven
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    Generalized Anxiety Disorder 4% of population, more females in US  Symptoms:  Muscle tension Insomnia Restlessness Inability to concentrate Intense, unfocused anxiety Worry about minor daily life events Often develop anxiety about anxiety Usually earlier and more gradual onset  Strikes all age groups, most early in life
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    Model of GAD  Development Inherited tendency towards CNS tension  + 
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