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Psych 101 Clinical Psych Lecture April 2nd 2013.docx

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Stephanie Denison

nd Psych 101 Clinical Psych Lecture April 2 2013 Obsessive-Compulsive Disorders (OCD)  Definition  Obsessions: irrational disturbing thoughts that intrude into consciousness (thoughts images and impulses) feel outside of the individuals control  Compulsions: repetitive actions people use to relieve the stress of obsessions (most common checking and washing due to fear of contamination/doubting)  Some have one or the other or both  Causes: o Caudate nucleus: associated with learned habitual motor activities o Insufficient level of serotonin o Strep Throat: extremely uncommon, the bacteria causes damage in the caudate nucleus (not certain if that link exists) o Parenting hasn’t shown to be a cause  Diagnosis/Prevalence o Easy to see the symptoms o 1 in 100 adults at one point in their life  Treatment o CBT o Combinations CBT and SSRI to increase serotonin and reduce activity in caudate nuclus Panic Disorder  Definition: debilitating anxiety and fear which arises frequently without a reasonable cause  Very frightening: suffers live in fear of attacks  Fear you’re going crazy or are going to die  Causes: less clear o Connection with major life transition, some evidence for genetic predisposition, generally unclear  Diagnosis/prevalence o 1 out of 75 usually in teen or early adulthood  Treatment o Informational, understand what it is and how common it is effective because the biggest issue is the snowball effect, they have one attack and think it will happen again o Interceptive exposure: focusing on physical sensations that go one during a panic attack, walk them through a panic attack Post Traumatic Stress Disorder  Definition: develop after any event that results in psych-trauma the event must threaten death or injury to you or others  Causes: typical violent personal assault, car accidence, military combat, accidence at work, natural disasters  Less frequent and more longstanding than acute stress response  Avoid any stimuli related to the trauma (military avoiding ceiling fans b/c they remind them of helicopters)  Vulnerability, 30% of variants can be explained by genetics  Diagnosis and prevalence o Symptoms begin within three months of event and must go on for more than a month o Re-experiencing event, avoiding stimuli, social with drawl, rare occasions: dissociative events  Treatment o Medications helpful for anxiety and depression o CBT o Specific counsellors for the traumatic experience o Exposer therapy but controver
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