BIOL 1010 Lecture Notes - Magical Thinking, Delusional Disorder, Etiology

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30 Jan 2013
MMPI-2 has been created to assess the symptoms of specific personality disorders
the PSY-5 consists of dimensions of assessing negative emotionality/neuroticism, lack
of positive emotionality, aggressiveness, lack of constraint, and pychoticism
The most widely used measure of personality disorder symptoms is the Millon
Clinical Multiaxial Inventory which is now in its third edition
o It’s a 175 true false inventory that was revised for DSM-IV
o Provides subscale measures of 11 clinical personality scales and 3 severe
personality pathology scales
o Also provides symptom ratings for clinical syndromes located on Axis I of the
o Includes a validity index and 3 response style indices that correct for such
tendencies as denial and random responding
o It’s only moderately effective in terms of its ability to detect faking
Issues of self report measures of personality disorders
o Empirical tests comparing the various self-report measures show that they
differ in their content and are not equivalent
o Cut-off points used to determine the presence of personality disorder often
overestimate the number of people who meet diagnostic criteria for particular
The goal is to obtain accurate diagnoses; MCMI-III is best used in conjunction with a
clinical interview such as the Personality disorder Examination
Personality Disorder Clusters
When a categorical approach is used the DSM-IV-TR criteria are involved, personality
disorders are grouped into 3 clusters
o Individual in cluster A (paranoid, schizoid, and schizotpyal) seem odd or
eccentric (they reflect oddness and avoidness of social contact)
o Those in cluster B (antisocial, borderline, histrionic and narcissistic) seem
dramatic, emotional, or erratic (extrapunitive and hostile)
o Those in cluster C (avoidant, dependent, and obsessive compulsive) appear
Patients with both borderline & schizotypal personality disorders would probably
have been diagnosed as schizophrenic using DSM II criteria
Odd/Eccentric Cluster
3 paranoid, schizoid, and schizotypal PDs
Symptoms are similar to those of schizophrenia (especially its prodromal and
residual phase)
Paranoid Personality Disorder
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