Psyc_Chapter_14 - Chapter 14 Psychological Disorders...

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Chapter 14: Psychological Disorders Abnormal Behavior The medical model - proposes that it is useful to think of abnormal behavior as if it is a medical disease (causes cannot be narrowed down like they can in medical diseases). Three criteria of abnormal behavior (can be all 3 or just one) Deviant - does it violate social norms or social laws? (is it weird?, walking in naked to teach class, does it freak others out?) Maladaptive - does it mess up your life? (do you lose your job, relationships, mess up in school?) Causing personal distress - do you freak yourself out? (think bugs are crawling all over you, think people can read your thoughts) A continuum of normal/abnormal - isn't clear cut (can be a little there or totally there). Prevalence, Causes, and Course Epidemiology - the study of the distributions of mental illnesses Prevalence - the percentage of a population that exhibits a mental disorder at that instant. Lifetime prevalence - percentage of people who have been or will be experiencing a mental disorder (45% of people will develop a diagnosable mental illness). Diagnosis - the means of distinguishing one disorder from another Etiology - refers to the cause of a particular illness. Prognosis - a prediction about the probable course of the illness (if it is good, then there is a good chance they will get over it). There are many over overlaps in causes to mental disorders. The same mental illness can be expressed in different ways Mental illness can change over time (homosexuality was once considered a mental illness)
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Psychodiagnosis:The Classification of Disorders American Psychiatric Association Diagnostic and Statistical Manual of Mental Disorders – 4th ed. (DSM - 4) (all doctors use this to label people with an illness) Multiaxial system - allows a doctor to provide diagnosis across 5 diff. dimensions (axes). 5 axes or dimensions Axis I – Clinical Syndromes (all the diagnosable mental illnesses, ex. depression) Axis II – Personality Disorders or Mental Retardation (people who can't really take care of themselves, any permanent, serious condition) Axis III – General Medical Conditions (biological axis, ex. cancer) Axis IV – Psychosocial and Environmental Problems (mental illness is almost always associated with an environmental stress, beginning college) Axis V – Global Assessment of Functioning (a test score for your functioning in life,
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Psyc_Chapter_14 - Chapter 14 Psychological Disorders...

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