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  • Print publication year: 2012
  • Online publication date: January 2018

1 - The nature of personality disorder

from Part 1 - The nature of the problem
    • By Gwen Adshead, Consultant Forensic Psychotherapist, Broadmoor Hospital, Crowthorne, UK, Jaydip Sarkar, Consultant, Department of General and Forensic Psychiatry, Institute of Mental Health, Singapore
  • Edited by Jaydip Sarkar, Gwen Adshead
  • Publisher: Royal College of Psychiatrists
  • pp 3-20

Summary

Summary The lack of a medically grounded approach to personality disorder and its management has led to its comparative neglect as a topic by many clinicians in the UK. In this article we present evidence that personality disorders are, like other mental disorders, the social manifestations of a pathological process. This process presents with characteristic clinical features that are developmental in nature. These cause disturbances in arousal, affect and reality testing that have an impact on interpersonal social functioning. Personality disorder may therefore be conceived of primarily as a socioemotional disability, not dissimilar to Axis I conditions.

The term ‘personality’ derives from the Greek word persona or mask. It refers both to an individual's attitudes and ways of thinking, feeling and behaving, and to the social ways in which individuals interact with their environment. At an individual level, personality is not a single unitary entity, but a way to organise a number of different capacities that underpin one's sense of self (Allport, 1961). At a social level, an individual personality profile allows one to be recognised over time by others, and is a powerful regulator of social relationships, which, as we are group animals, are crucial for our survival.

In evolutionary terms, personality is best understood as a regulation of biopsychosocial factors in the service of good-quality survival of the individual within the particular constraints of their habitat and environment (Box 1.1).

Theories of personality

In Ancient Greece, physicians attributed individual differences in personality to imbalances of bodily fluids or humors; other popular theories have included the influence of the stars’ positions at birth, body build and skull shape (Knutson & Heinz, 2004). In the 20th century, research into personality moved to the level of the psychological, although still influenced by dominant social assumptions such as gender or racial difference. Freud emphasised the role of innate drives, an early account of what we might now understand as the genetic basis of stress responses. He is also attributed as being the first to describe the concept of ‘defences’ against stress and their effect on the expression of adult personality. Later theorists, such as Klein and Bowlby (in somewhat different ways), emphasised the importance of the interaction between the child's innate individual features and the environment in the development of normal personality functioning.