Lecture 7: Personality Disorders Flashcards
personality disorder definition
an enduring pattern of inner experience and behaviour that deviated markedly from the norms and expectations of the individuals culture, is pervasive and inflexible, has an onset in adolescence or early adulthood, is stable over time, and leads to distress or impairment.
personality disorders prevalence
data is lacking for Canadian stats
- 0.5% to 2.5% of the general population (US)
origins of personality disorders
- thought to begin in childhood
- tend to run a chronic course if untreated
the big five of personality
- extraversion
- agreeableness
- conscientiousness
- emotional stability (neurosity)
- openness to experience
three clusters of personality disorders
- Cluster A: odd or eccentric
- Cluster B: dramatic or emotional/erratic
- Cluster C: anxious or fearful
cluster A includes:
paranoid personality disorder
schizoid personality disorder
schizotypal personality disorder
Paranoid Personality Disorder Characteristics
- mistrustful and suspicious of others without justification
- mistrust extends to people close to them
- meaningful relationships are difficult
- argumentative, complain, or be quiet
- appear tense
- cognitive structure: people are malevolent and deceptive, they’ll attack you if they get the chance
Schizoid Personality Disorder Characteristics
- highly introverted
- loner
- does everything on their own
- detachments from social relationships
- limited range of emotions in interpersonal situations
-aloof, cold, indifferent - do not desire closeness with others
- social deficiencies
Schizotypal Personality Disorder Characteristics
- considered odd or bizarre because of how they relate to people, think and behave, and dress
- ideas of reference (they think events relate directly to them)
- odd beliefs or magical thinking
- suspicious and have paranoid thoughts
Difference between Schizoid and Schizotypal Disorder
Both do not have many personal relationships.
Schizoid ppl may have more justifiable reasons for this. Schizotypal ppl have odd thinking that distinguishes them from others.
E.g. Mr. S doesn’t have friends because he’d rather play chess. Mr. Z doesn’t have friends because he’s a vegetarian and is afraid of food contamination. - odd thinking and reasoning
Cluster B includes
- antisocial personality disorder
- borderline personality disorder
- histrionic personality disorder
- narcissistic personality disorder
Antisocial Personality Disorder Characteristics
- don’t care about the rules of society
- histories of violating rights of others
- failure to conform to social norms
- lying, cheating
- impulsivity and failure to plan ahead
What is Psychopathy?
antisocial personality disorder plus a bunch of personality traits
- based on personality AND behaviour
- lack of empathy, callousness, parasitic lifestyle, high-risk behaviours, lying, cheating)
What is a subclinical psychopath?
- can be any “normal person” who has never been caught doing anything illegal
- they have a behaviour where they leave a path of destruction behind them
- lie, cheat, etc. to get whatever they want
- subclinical = never been diagnosed
what is the Under-arousal Hypothesis?
some individuals don’t actually emote much; they are under aroused
- some may have to do some very extreme behaviours to become aroused (e.g. kill someone)