Ch15 (lesson 18): personality disorders Flashcards
DSM-5 clusters of personality disorders
- Cluster A (odd/eccentric)
- Cluster B (Dramatic/ Erratic)
- Cluster C (Anxious/Fearful)
Cluster A (Odd/eccentric)
- Paranoid Personality Disorder
- Schizoid Personality Disorder
- Schizotypal Personality Disorder
Cluster B (Dramatic/Erratic)
- Antisocial Personality Disorder
- Borderline Personality Disorder
- Histrionic Personality Disorder
- Narcissistic Personality Disorder
Cluster C (Anxious/Fearful)
- Avoidant Personality Disorder
- Dependent Personality Disorder
- Obsessive Compulsive Personality Disorder
Personality Disorders (PD)
- Longstanding, pervasive, Inflexible, extreme, and persistent patterns of behavior/ inner experience
- unstable positive sense of self
- unable to sustain close relationships
reasons for considering changes to PD criteria
- High comorbidity- Half who met criteria for one DSM-IV-TR Personality Disorder met diagnostic criteria for another Personality Disorder
- some of the DSM-IV-TR Personality Disorders are rare (<2%)
- Many ppl w serious personality probs don’t fit any of Personality Disorder diagnoses
- Ppl w a Personality Disorder can vary from one another in nature of personality traits and severity of condition
- to capture subsyndromal symptoms better
Alternative DSM-5 Model for Personality Disorders
includes 6 distinct diagnoses
- Borderline Personality Disorder
- Obsessive-Compulsive Personality Disorder
- Avoidant Personality Disorder
- Schizotypal Personality Disorder
- Antisocial Personality Disorder
- Narcissistic Personality Disorder
location in DSM-5- Alt model for Personality Disorders
- Working Group recommended this model
- lack of consensus resulted in move to Section III- Emerging Measures and Models
- Better aligns w Personality Theory (Big Five)
- in the alt model, Personality Disorders are considered when person shows persistent and pervasive impairments in func from early adulthood
- two types of dimensional personality scores:
- 5 personality trait domains
- 25 (more specific) personality trait facets)
test-retest stability for personality disorders and Major Depressive Disorder
- although definition suggests should be stable over time, they appear to increase into adolescence and decline over time
- many still have symptoms after remission, symptoms wax and wane
- baseline diagnosis predicts lower func and more depression even 10-15 yrs later
Paranoid Personality Disorder
Presence of 4+ signs of distrust/suspiciousness beginning in early adulthood in mult contexts:
- Pervasive unjustified suspiciousness of being harmed/deceived, exploited
- unwarranted doubts about loyalty/trustworthiness of friends/associates
- reluctance to confide in others due to suspiciousness
- tendency to read hidden meanings into begnin actions of others
- angry reactions to perceived attacks of character/ reputation
- unwarranted suspiciousness of fidelity of partner
Schizoid Personality Disorder
4+ signs of interpersonal detachment and restricted emotions from early adulthood:
- lack of desire for/ enjoyment of close relationships
- prefers solitude
- little interest in sex
- few/no pleasurable activities
- lack of friends
- indifference to praise/criticism
- flat affect, emotional detachment
Schizotypal Personality Disorder
- ppl with Schizotypal Personality Disorder show problems similar to schizophrenia
- eccentric thoughts and behaviors, interpersonal detachment, suspiciousness
- Highly heritable (60%)
- cog and neuropsychological deficits
- enlarged ventricles
- less temporal gray matter
DSM-5 criteria of Schizotypal Personality Disorder
- Ideas of reference
- Peculiar beliefs or magical thinking (eg: belief in extrasensory perception)
- unusual perceptions (eg: disorted feelings about body)
- peculiar patterns of thought and speech
- suspiciousness/ paranoia
- innapropriate/ restricted affect
- odd/eccentric behavior/appearance
- anxiety around other people, doesn’t diminish w familiarity
Antisocial Personality Disorder
- Atleast 18
- Evidence of conduct disorder before 15
- perasive pattern of disregard for rights of others since 15 shown by 3+:
- repeated law breaking
- deceitfulness/lying
- irritability/ aggressiveness
- reckless disregard for own/others safety
- irresponsibility as seen in unreliable employment/financial history
- lack of remorse
Etiology of Antisocial Personality disorder- research issues
- problems w research
- conducted w mostly criminals
- different measurements (APD vs psychopathy)
Genetics- etiology of APD
- heritable 40-50%
- genetic risk for APD, psychopathy, conduct disorder, and substance abuse related
family enviro- etiology off APD
- lack of warmth, highly neg, parental inconsistency predict APD
- Poverty, exposure to violence
- Family enviro interacts w genetics
Characteristics- Etiology of Antisocial Personality disorder
- Fearlessness
- lack of fear/anxiety
- low baseline levels of skin conductance; less reactive to aversive stimuli
- Impulsivity
- Lack of response to threat when pursuing rewards
- Deficits in empathy
- not in tune w emotional reactions of others
- Prevalence greater in men
- comorbid substance abuse v common
ASD vs Psychopathy- 2 differences
- PCL-R covers many of the criteria for APD, but differs in that it includes more affective symptoms (shallow affect, lack of empathy)
- differs in requirement that person develop symptoms before 15