diagnosis and classification of psychological …roneilfi/classes/microsoft powerpoint...diagnosis...
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Diagnosis and
Classification of
Psychological Problems
Dr. Randie Fielder
CED 5501: Introduction to Alcohol
and Drugs Abuse Counseling
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Definitions of Abnormal
Behavior
� Conformity to norms: Statistical
Infrequency or Violation of Social
Norms
� Subjective distress
� Disability or dysfunction
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Conformity to norms: Statistical
Infrequency or Violation of Social Norms
� A person’s behavior is abnormal if it is
statistically infrequent (deviates
significantly from the average is above
the “cutoff point”
� A person’s behavior is abnormal if it is
very unusual
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Assessment of Abnormal Behavior
� Assessment = The systematic evaluation and
measurement of psychological, biological, and social
factors in an individual presenting with a possible
psychological disorder
� Diagnosis = The process of determining whether
the presenting problem(s) fit the criteria for a
particular mental disorder
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Subjective distress
A behavior or symptoms are abnormal if
they causes the person distress?
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Disability or dysfunction
� A behavior is abnormal if it creates
some degree of social (interpersonal)
or occupational problems
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Disability or dysfunction
Advantages
� Requires little
inference
� These type of problems often
prompt treatment seeking
Disadvantages
� Difficulty
establishing standards for occupational or
social dysfunction
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Diagnostic and Statistical
Manual-IV-TR
…The most widely accepted definition
used in DSM-IV-TR describes
behavioral, emotional or cognitive
dysfunctions that are unexpected in
their cultural context and associated
with personal distress or substantial
impairment in functioning.
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Current Diagnostic Systems
� In 1948 the World Health organization (WHO) added a section on classification of mental disorders to the International Classification of Diseases and Health Related Problems
� ICD-10: current system developed in 1990
� In 1952 the American Psychiatric Association developed and published its own Diagnostic and Statistical Manual
� DSM-IV-TR was published in 2000
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DSM-III and DSM-III-R
Changes
� Not based on a specific theory
� Presented explicit diagnostic criteria
� Multiaxial system
� The specificity of diagnostic criteria made it possible to examine the reliability and validity of diagnostic categories
Multiaxial System
I. Clinical syndromes
II. Personality disorders and developmental disorders
III. Physical conditions (e.g. diabetes)
IV. Severity of psychosocial stressors
V. Highest level of adaptive functioning in the past year
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DSM-III: Shortcomings
� Unacceptably low reliability in some
diagnostic categories.
� Hierarchical diagnostic system.
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DSM-III-R
� Published in 1987
� Eliminated some problems such as
hierarchical diagnoses
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DSM-IV and DSM-IV-TR
DSM-IV (1994)
Revisions were based on empirical data generated by DSM-III and DSM-III-R
Reorganization
Axis IV: Rating of severity of stressors changed to a checklist
Axis V ratings changed to GAF (Global Assessment of Functioning)
1=Markedly poor functioning
90= Superior functioning
DSM-IV-TR
Only changes in the descriptions of some of the disorders
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DSM-IV-TR� Current diagnostic system
� Multiaxial:
Axis I: Clinical Disorders
Developmental Dis.(not
mental retardation
Axis II: Personality Disorders
Mental Retardation
Axis III: General Medical
Conditions
Axis IV: Contributing Problems
Axis V: Rating of Functioning
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DSM-IV-TR: An example
� 13 year old Hispanic female
� Completing a gifted and talented program
� Feeling increasingly depressed, having more suicidal thoughts
� Irritable, oppositional, and difficult to manage
� Loss of energy, appetite
� Conflicts with peers and family
� Changed schools, father hospitalized
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DSM-IV Diagnosis
� Axis I:
� Axis II:
� Axis III:
� Axis IV
� Axis V
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Diagnosis: Positive Aspects
•Facilitates communication (verbal shorthand)
•Ensures comparability among identified patients
•Promotes research on diagnostic features, etiology
and treatment
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Diagnosis: Negative Aspects
� Boundaries between disorders are often fuzzy
� Gender bias in application of diagnostic labels
� Negative effects of labeling on other’s
perceptions
� Negative effects of labeling on self-concept
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Gender Bias in Diagnoses
� The gender of the patient influences
the diagnosis, despite the
presentation of equivalent symptoms
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Sex Bias in the Diagnosis of Borderline Personality
Disorder and Posttraumatic Stress Disorder (Becker and Lam, 1994)
1. Subjects
(n=1,082)
•Social Workers
•Psychologist
•Psychiatrists
2. Procedure
•Case study with PTSD or BPD
symptoms
•Male and female cases
•Clinicians rated case studies on a 7
point scale the extent to which a client appeared to have each of the Axis I and
Axis II disorders
3. ResultsClinicians rated female
clients higher for
applicability of BPD
diagnosis
than male clients
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Objective psychological tests
� Format
� Standardized
� MMPI-2, BDI,
WAIS-III
� Reliable
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Projective psychological tests
� Format
� Rorschach
� TAT
� Drawings
� Advantages
� Disadvantages
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Behavioral Observations
� In MSE, but in other assessments as well
� Behavioral orientation
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Neuropsychological (NP) Testing
and Neurological Exams
� NP testing:
� Test many areas of functioning
� Locate affected brain areas
� Advantage
� Neurological exams:
� CAT, MRI
� PET
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Case example
� Susie went to Boynton and reported feeling a great
deal of stress - she just broke up with her boyfriend,
and she can’t pay off her credit card bill this month
(she has had many co-pays recently, given her
recent diagnosis of hypothyroidism) and has turned
to alcohol to help her cope. She meets criteria for
depression, borderline personality disorder as well
as alcohol dependence. She said she rarely attends
class anymore, and feels she doesn’t have enough
social support.
� What info would go on each axis?
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Classification: summary
� Classification refers to diagnosing people.
� There are pros and cons to it.
� A useful classification system should be reliable and
valid.
� The DSM takes a multiaxial prototypical approach.