10: Personality disorders Flashcards
What does the following mean: personality disorders are axis 2 disorders Cluster A?
- thought to be stable LT conditions
- hence xp throughout much of an individual’s life
Personality disorders are characterised by individuals undergoing an enduring pattern of inner xp + behaviour that differs noticeably from the expectations of the individual’s culture in at least 2 of what?
- cognition
- mood
- interpersonal functioning
- impulsive control
What makes diagnosis of personality disorders difficult?
- high comorbidity with mood disorders
eg: Major depression, bipolar disorder
What are personality disorders?
clusters of traits that are stable over time
Why has the stability of personality disorders have come into question, challenging its definition (Loranger et al) esp when examining dependent + schizotypal personalities ?
- fair proportion of people who suffer from substance misuse have symptoms of personality disorders = occurring disorders
Why is there is shift in the assessment + diagnosis of personality disorders to dimensional models vs categorical?
- Allows personality to be assessed using various scales + psychometric test
= allows more comprehensive description of patient functioning - found to be better at predicting
- Dimensional scores more reliable across clinicians vs categorical diagnosis
- PD not so distinct from normal so better to think they are of an extreme of a distribution vs categorically different from norm population
Which behaviour did Ulrich, Borkenau + Marneros (2001) find personality tests were better able to predict?
offending behaviour than categorical diagnosis of antisocial personality disorder
What did Heuman + Morey (1990) found about the reliability between categorical diagnosis and dimensional scores?
Dimensional scores = more reliable across clinicians vs categorical diagnosis
Define the sub-clinical category Schizotypy
group of personality traits found to leave individual susceptible to delusion-like beliefs
- share a number of common characteristics with psychotic-based disorders = SZ
- SZ + schizoid PD found under category
What 2 beahviours can be observed between SZ + people with schizotypy?
- executive functioning deficits specifically associated with negative schizotypy
- score highly on psychometric measures of schizotypy
- Wisconson card sorting task - Abnormality in attention
Often schizotypy can be a prodromal phase to what to what (Yoon, Kang + Kwon, 2008)?
active phase of schizotypy personality disorder
How are schizotypes often characterised by an individual (Bentall, Claridge + Slade, 1989)?
- being quirky but awkward in social interactions
- showing sings of “odd” behaviour + lanuage
What support is there that schizotypy is a multi-factor construct (Claridge et al, 1996)?
various methods have been used to assess schizotypy
- using various approach + theory
1. 3 factor construct of Schizotypt
2. 4 factor construct of Schizotypy
Sz + Schizotypy personality disorder symptoms are clustered around what 3 factors?
- Positive
- Negative
- Disorganisation
What are the 4 factor construct of Schizotypy?
- Unusal xp (positive)
- Introversive anhedonia (negative)
- Cognitive disorganisation
- Impulsivity non-conformity
What is the difference between SZ vs Schizotypy?
SZ = episodic psychotic personality based disorder
Schizotypy PD = grounded in LT, fairly stable development of personality