Chapter 12

Personality Disorders

Set B

Dependent Personality Disorder

A personality disorder characterized by a pervasive and excessive need to be taken care of, submissive and clinging behaviour, and difficulty making everyday decisions without advice from others.


A compound that exists in the body as a neurotransmitter and as a precursor of other substances including adrenalin.

Dialectic Behaviour Therapy

A client-centred therapy for personality disorder that attempts to provide clients with insight into their dysfunctional ways of thinking about the world.

Histrionic Personality Disorder

A personality disorder in which an individual is attention-seeking and uncomfortable or unhappy when not the centre of attention.

Level of Personality Functioning

Disturbances in self and interpersonal functioning are at the core of personality disorders, with the severity of impairment indicating whether the individual may have more than one personality disorder.

Dangerous People with Severe Personality Disorders

A term introduced in 1999 in a report by the UK Home Office and the Department of Health to describe individuals who are diagnosed with antisocial personality disorder and who have, in addition, a diagnosis of at least one other type of personality disorder.

Dramatic/ Emotional Personality Disorders

Personality disorders grouped in Cluster B, including (1) antisocial personality disorder (APD), (2) borderline personality disorder (BPD), (3) narcissistic personality disorder and (4) histrionic personality disorder.

Dysfunctional Schemas

In personality disorders, a set of dysfunctional beliefs that are hypothesized to maintain problematic behaviour characteristic of a number of personality disorders (e.g. antisocial personality disorder and borderline personality disorder).