PSYC 210 Lecture Notes - Lecture 16: Difficult People, Dsm-5, Diagnostic And Statistical Manual Of Mental Disorders
19 May 2018
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PSYCH 210 – Adult Abnormal Psychology
Lecture 16
Personality Disorders
What is personality?
How do we measure it?
How does it break?
Comorbidity
- ~10% of general population meet criteria
- 30% of psychiatric inpatients
- High interpersonal costs (suicide, aggression, violence)
- High social costs (~250 $billion/year)
- Individuals with personality disorders are various of difficult people, relevantly frequent,
can cause enormous amount of distress
What makes personality special?
- Emotion: acute psychological response to a specific stimulus event – Short duration
(minutes-hours)
- Mood: Emotional state; can be stimulus-independent – Moderate duration (hours-days)
- Trait/Temperament (Personality): stable pattern of processing information and
responding to the environment – long duration (lifetime)
- Consistent across all types of situations
- Stimulus independent
- Changes can be made, but it takes a tremendous amount of effort
- Personality orients much of life to reinforce stability of the trait
Personality Trait: Impulsivity
- Responding, especially to motivationally salient stimuli (e.g. rewards), that is carried out
without considering potentially adverse consequences
- Marshmallow test dependent on scholastic performance
Huge degree of variability in traits
- Strong p`1ush in DSM V to classify personality disorders as a dimensional
- Decided to stick to prototypical approach
Axis II
Problems with dimensionality: How many traits do we need?
- Openness
- Conscientiousness
- Extraversion
- Agreeableness
- Neuroticism
- Combination of the 5 traits to place you on a scale
- 10 disorders in 3 clusters
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