Lecture15_Ch14_PsychDisorders_x3

Americans at some point in their life tends to be

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Unformatted text preview: o be diagnosed Mood Disorders – Depressive Disorders ✦ Persistent depressive disorder – depressive symptoms that warrant apen;on but are not as severe as major depressive disorder ✦ Dysthymia ✦ Symptoms must be present for most of the day, more days than not, for 2+ years ✦ Because it is so long- las;ng, some consider it a personality rather than mood disorder Mood Disorders – Bipolar Disorders ✦ Bipolar I disorder – includes extremely elevated moods during the manic phase ✦ Manic phases cause severe impairment in daily func;oning ✦ Diagnosis is focused primarily on the manic phase; depressive phase not necessary, although oben occurs ✦ Impairment: manic episodes Mood Disorders – Bipolar Disorders ✦ Bipolar II disorder – alterna;ng series of extreme depression & mild mania ✦ Mania is considerably less manic compared to bipolar I, may even be useful & rewarding ✦ Requires at least one phase of severe depression ✦ Impairment: major depressive episodes Mood Disorders ✦ Causes & influences of depressive disorders: ✦ ✦Experiences Gene;cs ✦ Highly heritable ✦Loss, trauma, mul;ple nega;ve events ✦ Bipolar & depression have different gene;c components ✦ ✦Cogni;on Biology ✦ Serotonin dysfunc;on ✦ Low ac;vity in the prefrontal cortex Dissociative Disorders ✦ Characterized by possessing disrup;ons of ✦ personal iden;ty ✦ memory ✦ conscious awareness ✦ Includes a ‘splikng off’ of some part of the consciousness, perhaps from extreme stress ✦ Dissocia;ve amnesia; Dissocia;ve iden;ty disorder Dissociative Disorders – Dissociative Amnesia ✦ Dissocia7ve amnesia – the loss of memory for events of a substan;al block of ;me; oben includes amnesia for personal facts ✦ Dissocia2ve fugue – loss of iden;ty combined w/ physical reloca;on to a new place ✦ Oben ends abruptly w/ the person not knowing where they are or how they got there Dissociative Disorders – ✦ Dissocia7ve Iden7ty Disorder (DID) – the presence of 2 or more dis;nct personali;es w/in the same individual, combined w/ memory gaps ✦ Most common in children following severe childhood abuse ✦ Different iden;;es develop to deal w/ different traumas Schizophrenia ✦ Schizophrenia – disorder characterized by a “splikng of the mind” between thoughts & emo;ons; results in changes in thought, percep;on, consciousness ✦ Diagnosis includes both posi&ve & nega&ve symptoms ✦ Posi7ve symptoms – symptoms in excess of what is normal ✦ Nega7ve symptoms – symptoms that are deficits in func;oning Schizophrenia - Diagnosis ✦ 5 major symptoms of schizophrenia; DSM- 5 requires the presence of at least 2 overall & at least 1 of the first three listed; must persist con;nuously for 6+ months 1. Delusions 2. Hallucina;ons 3. Disorganized speech 4. Grossly disorganized behavior 5. Nega;ve symptoms ✦ 1- 4 are all considered posi;ve symptoms Schizophrenia – Diagnosis (Positive Symptoms) ✦ D...
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