Personality and Personality Disorders Flashcards
Define Personality
“Enduring patterns of perceiving, relating to, and thinking about the environment and oneself, which are exhibited in a wide range of important social and personal contexts.
totality of emotional and behavioral traits
relatively stable and predictable
Aetiology of personality
Nature: genes
Nurture: family; peers; upbringing; trauma; culture; values; beliefs
Interactive model: nature provides the template that life experience modifies
Evolutionary model: “life experience” of the species has modified the genome
“ontogeny recapitulates phylogeny”
List Erikson’s Stages of the Life Cycle
0-1: Basic trust vs. basic mistrust 1-3: Autonomy vs. shame and doubt 3-5: Initiative vs. guilt 6-11: Industry vs. inferiority 11-20: Identity vs. role confusion 21-40: Intimacy vs. isolation 40-65: Generativity vs. stagnation 65+: Integrity vs. despair
Describe the categorical vs Dimensional approach to Personality Disorders
Categorical: personality disorders unique types of abnormal development that are unrelated to “normal” personalities
Dimensional: personality traits are shared amongst general population with excessive dimensions in disordered individuals
Traits: particular characteristics associated with a PD
Describe the Dimensional Approach: The five factor model
Extraversion vs. introversion Agreeableness vs. antagonism Conscientiousness Emotional instability (neuroticism) Unconventionality
Lexical approach
Each factor breaks down into more specific facets, eg. Agreeableness: trust, altruism, compliance, modesty, tender-mindedness
Define personality disorder
Patterns of inflexible and maladaptive traits that cause subjective distress or significant impairment in social or occupational functioning or both.
Foster vicious cycles
Deviate markedly from cultural norms
DSM4 Axis II - not used anymore
Generally safer to talk about “traits” than a personality disorder
Describe a paranoid personality disorder
A pervasive mistrust and suspiciousness of others such that their motives are interpreted as malevolent.
Suspects others are exploiting them.
Doubts the loyalty of friends.
Reluctant to confide in others.
Bears grudges
Feels attacked by others and reacts to this
Suspects partner of deceit/disloyalty/unfaithfulness.
Management of paranoid PD
Low dose antipsychotic may be helpful
Possible role for CBT
NB to establish a trusting and non-threatening relationship.
Describe Schizoid PD
A pervasive pattern of detachment from social relationships and a restricted range of expression of emotion in interpersonal settings.
Neither desires nor enjoys close relationships (including family)
Chooses solitary activities
Little sexual interest
Few close friends
flattened affectivity
Indifferent
Prevalence of paranoid PD
0.5-2.5%
M : F = 1 : 1
Prevalence of Schizoid PD
7.5%, possibly much less
M:f = 1:1
Aetiology of Schizoid PD
Primarily genetic aetiology
Often schizophrenia probands
Describe schizotypal PD
A pervasive pattern of social and interpersonal deficits marked by acute discomfort with close relationships as well as by cognitive or perceptual distortions or eccentricities of behaviour
Ideas of reference
Odd beliefs
Odd thinking, speech and affect paranoid ideation
Eccentric behaviour or aappearance
No close relationships except family
Social anxiety
Prevalence of Schizotypal PD
3%
M : F = 1 : 1
Aetiology of Schizotypal PD
primarily genetic aetiology
Often schizophrenia probands but seem to have preserved frontal lobes and less striatal activity
Management of schizotypal
Low dose neuroleptics may be helpful
Differentiate from schizophrenia
Relatives may need advice and reassurance