Copyright © 2010 Allyn & Bacon C HAPTER 4 Clinical Assessment and Diagnosis
Copyright © 2010 Allyn & Bacon T HE B ASIC E LEMENTS IN A SSESSMENT First, the presenting problem must be identified Situational or pervasive? Duration? Prior attempts to help or treat? Self-defeating or resourceful? How does problem impact social roles? Does problem match any DSM disorder criteria? 2
Copyright © 2010 Allyn & Bacon T HE R ELATIONSHIP B ETWEEN A SSESSMENT AND D IAGNOSIS Classifying the presenting problem is important for numerous reasons Planning treatment Knowledge of range of diagnostic problems in client population, which dictate needs for facilities Insurance payment 3
Copyright © 2010 Allyn & Bacon T AKING A S OCIAL OR B EHAVIORAL H ISTORY A good assessment should include a social history noting: Personality factors The social context A good assessment should be culturally sensitive Cultural variables can include ethnicity, language, SES, gender, and others 4
Copyright © 2010 Allyn & Bacon T HE I NFLUENCE OF P ROFESSIONAL T HEORETICAL & T REATMENT O RIENTATION How clinicians go about the assessment process often depends on their basic treatment orientations 5
Copyright © 2010 Allyn & Bacon 6 Viewpoints: Help professionals organize observations Provide systems of thought Suggest areas of focus Viewpoints are theoretical constructions devised to orient psychologists in the study of abnormal behavior
Copyright © 2010 Allyn & Bacon 7 W HAT THE A DOPTION OF A P ERSPECTIVE D OES AND D OES N OT D O All perspectives contribute to our understanding of psychopathology, but none can provide a complete explanation The adoption of a perspective influences The perception of maladaptive behavior The types of evidence we look for The way in which we are likely to interpret data
Copyright © 2010 Allyn & Bacon 8 F IGURE 3.9: T HREE M AJOR P SYCHOLOGICAL P ERSPECTIVES ON A LCOHOL D EPENDENCE
Copyright © 2010 Allyn & Bacon 9 F IGURE 3.11: V IEWPOINTS ON P ARENTAL D EPRIVATION
Copyright © 2010 Allyn & Bacon 10 U NRESOLVED I SSUES None of the theories to date address the whole spectrum of abnormality Many psychologists have adopted an eclectic approach, but this is not successful at a theoretical level Many theorists are pushing for a more integrative biopsychosocial (spiritual) viewpoint - the biopsychosocial perspective is the only current attempt at a unified approach
Copyright © 2010 Allyn & Bacon T RUST AND R APPORT B ETWEEN THE C LINICIAN AND THE C LIENT For psychological assessment and/or treatment to proceed effectively, the client must feel comfortable with the clinician 11
Copyright © 2010 Allyn & Bacon A SSESSMENT OF THE P HYSICAL O RGANISM Assessment of the physical organism incorporates The general physical examination The neurological examination The neuropsychological examination 12
Copyright © 2010 Allyn & Bacon T HE G ENERAL P HYSICAL E XAMINATION Many psychological problems have physical components either as Causal factors Symptom patterns Therefore, it is often important to refer clients for a medical examination 13
Copyright © 2010 Allyn & Bacon T HE N EUROLOGICAL E XAMINATION If organic brain damage is suspected, neurological tests can aid in determining the site and extent of organic brain disorder The neurological examination may include: An EEG A CAT scan A PET scan A functional MRI 14
Copyright © 2010 Allyn & Bacon T HE N EUROPSYCHOLOGICAL E XAMINATION The neuropsychological examination involves the use of an expanding array of testing devices to measure a person’s cognitive, perceptual, and motor performance as clues to the extent and location of brain damage 15
Copyright © 2010 Allyn & Bacon P SYCHOSOCIAL A SSESSMENT Psychosocial assessment attempts to provide a realistic picture of an individual in interaction with his or her social environment Three procedures commonly used in psychosocial assessments include: Assessment interviews (which may be structured or unstructured) Clinical observation of behavior Psychological tests 16
Copyright © 2010 Allyn & Bacon E THICAL I SSUES IN A SSESSMENT Ethical issues in assessment include: Potential cultural bias Theoretical orientation of the clinician Underemphasis on the external situation Insufficient validation Inaccurate data or premature evaluation 17
Copyright © 2010 Allyn & Bacon C LASSIFYING A BNORMAL B EHAVIOR Classification involves the attempt to delineate meaningful sub-varieties of maladaptive behavior The benefits of classification include: The introduction of order The enabling of communication The enabling of statistical research Insurance issues 18
Copyright © 2010 Allyn & Bacon Mental health professionals should be aware of the downsides of labeling It may close off further inquiry Patients may play out the expectations of their “role” Others may stigmatize the labeled person Nevertheless, arriving at such a diagnosis is usually required before the commencement of clinical services 19
Copyright © 2010 Allyn & Bacon R ELIABILITY AND V ALIDITY A classification system’s usefulness depends largely on its reliability and validity 20
Copyright © 2010 Allyn & Bacon D IFFERING M ODELS OF C LASSIFICATION Three basic approaches include: The categorical approach – a patient is healthy or disordered, but there is no overlap The dimensional approach – the patient may fall along a range from superior functioning to absolutely impaired functioning The prototypal approach – a conceptual entity depicts an idealized combination of characteristics, some of which the patient may not have 21
Copyright © 2010 Allyn & Bacon F ORMAL D IAGNOSTIC C LASSIFICATION OF M ENTAL D ISORDERS The Diagnostic and Statistical Manual of Mental Disorders (DSM) and the International Classification of Disease (ICD) are the two major classification systems in use ICD is more commonly used in Europe DSM is more commonly used in the U.S. DSM purports to be a categorical system, but it is in fact prototypal 22
Copyright © 2010 Allyn & Bacon F ORMAL D IAGNOSTIC C LASSIFICATION OF M ENTAL D ISORDERS DSM IV had five axes Axis I: The particular clinical syndromes or other conditions that may be the focus of clinical attention Axis II: Personality disorders, mental retardation Axis III: General medical conditions Axis IV: Psychosocial and environmental problems Axis V: Global assessment of functioning 23
Copyright © 2010 Allyn & Bacon F ORMAL D IAGNOSTIC C LASSIFICATION OF M ENTAL D ISORDERS The DSM-5 More comprehensive and more subtypes & specifiers - finer differentiation Gender related differences in dx Provides structured interview regarding cultural influences – Cultural Formulation Interview (CFI) (DSM p. 750+) Cross-cutting measures (DSM p. 733+)