Cluster A (Odd/Eccentric) Personality Disorders

Question 1

Cluster A personality disorder defined by expectation of mistreatment at the hands of others, suspicion, sensitiveness, jealousy, argumentativeness, unwillingness to accept blame, and cold and unemotional affect

Answer 1

Paranoid personality disorder

Question 2

How many symptoms are required to meet the diagnostic criteria for paranoid personality disorder?

Answer 2

At least 4

Question 3

How does paranoid personality disorder differ from DSM-IV-TR paranoid schizophrenia?

Answer 3

Hallucinations and cognitive disorganization are not present.

Question 4

How does paranoid personality disorder differ from delusional disorder?

Answer 4

Full-blown delusions are not present.

Question 5

True or False: The association between paranoid personality disorder and schizophrenia is not strong.

Answer 5

True

Question 6

Statete at least 2 psychological contributions in the development of paranoid personality disorder.

There are 3 psychological contributions.

Answer 6

1. Hypervigilance learned from parents
2. Negative schema
3. Lack of self-confidence

Question 7

What is 1 social factor contributing to the development of paranoid personality disorder?

Answer 7

1. Trauma
2. Discrimination

Question 8

Cluster A personality disorder defined by:
* Emotional aloofness
* Indifference to praise, criticism, and feelings of others
* Maintenance of few, if any, close friendships
* Solitary interests

Answer 8

Schizoid personality disorder

Question 9

How many symptoms are required to meet the diagnostic criteria for schizoid personality disorder?

Answer 9

At least 4

Question 10

State at least 1 etiological factor contributing to the development of schizoid personality disorder.

Answer 10

1. Genetic: Partially inherited low sociability and low warmth
2. Psychological: Childhood shyness
3. Social: Childhood abuse and neglect

Question 11

What is the psychotherapy approach used to treat schizoid personality disorder?

Answer 11

Social skills training

Question 12

Cluster A personality disorder defined by:
* Eccentricity
* Oddities of thought and perception
* Digressive speech involving overelaborations
* Social isolations

Answer 12

Schizotypal personality disorder

Question 13

True or False: Schizotypal personality disorder can be found in the schizophrenia spectrum chapter in the DSM-5-TR.

Answer 13

True

DSM-5 includes this disorder under both the personality disorder and schizophrenia spectrum chapters.

Question 14

How many symptoms are required to meet the diagnostic criteria for schizotypal personality disorder?

Answer 14

At least 5 symptoms

Question 15

Incorrect interpretations of casual incidents and external events as having a particular and unusual meaning specifically for the person

Answer 15

Ideas of reference

Question 16

True or False: People with schizotypal personality disorder show abnormalities in the prefrontal areas of the brain shown by people with schizophrenia.

Answer 16

False

There are no abnormalities in the prefrontal areas that are similar to the abnormalities seen in schizophrenia.

Question 17

State at least 2 neurobiological contributions to the development of schizotypal personality disorder.

Hint: Most of the neurobiological contributions are similar to those in schizophrenia.

Answer 17

1. Damage in left hemisphere (involving memory and learning)
2. High dopamine levels
3. Enlarged ventricles
4. Less temporal gray matter

Question 18

State 2 medications used to treat schizotypal personality disorder.

Answer 18

• Atypical antipsychotics
• Antidepressants

Question 19

State at least 1 psychotherapy approach for schizotypal personality disorder.

Answer 19

1. Social skills training
2. Cognitive therapy