Ch14 - Chapter14 Principle Types of Anxiety...

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Unformatted text preview: Chapter14 Principle Types of Anxiety Disorders (DSM-­‐IV) Generalized anxiety disorder 5% lifetime prevalence more frequently in female worry yesterday’s mistakes and tmr’s problems worry excessively about minor matters accompanied with physical symptoms Phobic Disorder Physical symptoms as trembling and palpitation Acrophobia (fear of heights); claustrophobia (fear of small, enclosed place); brontophobia (fear of storms); hydrophobia (fear of water) Panic Disorder Occur suddenly and unexpectedly Two-­‐thirds are female Typically occurs in adolescence Agoraphobia Fear of going out In DSM-­‐IV, viewed as complication of panic disorder In DSM-­‐5, separate from anxiety disorder, may or may not coexist with panic disorder OCD Etiology Biological Factor Reduce excessive anxiety appear to alter activity at synapses for a neurotransmitter called GABA Neural circuits using the transmitter serotonin have been implicated in OCD Conditioning and learning Acquired through classical conditioning Maintained through operant conditioning Avoiding anxiety-­‐producing stimulus Negative reinforcement Martin Seligman p429 Classical conditioning creates most phobic response Preparedness: biologically prepared; evolutionary history Cognitive Factors 1. Misinterpret harmless situations as threatening 2. Focus excessively on perceived threats 3. Selectively recall info that seems threatening Stress Anxiety disorder are stress related High stress often helps precipitate the onset of anxiety disorders ...
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