Anankastic Personality Disorder
A person with anankastic personality disorder has a persistent need for control, order, and certainty, expressed through punctuality, neatness, and a strong preference for routine that leaves little room for spontaneity. Chance and uncertainty are minimised wherever possible, and everything from a holiday to a single day is planned with care and precision; the person may become rigid in their views and, in extreme cases, insist that others conform to their own timetables and standards, which can lead to friction.
This has traditionally carried a particular diagnostic caution attached to it: because the underlying traits (punctuality, neatness, high standards, liking routine) are widely regarded as virtues rather than problems, there is a real risk of over-diagnosis, and the threshold for genuine disorder should not be set too low.
Also known as
- Obsessive-compulsive personality disorder
- The equivalent term used in another major classification system.
Recognition features
- Punctuality, neatness, and a strong need to be in control, with discomfort around uncertainty and unplanned situations
- A preference for fixed routine, sometimes with a timetable that is not permitted to vary from week to week
- Rigidity of views and a lack of spontaneity, in extreme cases extending to insisting that others adhere to the person's own standards and schedules, causing disagreements
- A neat, stiff, and formal presentation, though these traits, in milder form, are often valued by society rather than seen as a problem
Eliciting it at interview
- Ask about the person's response to unplanned or spontaneous situations, such as an unscheduled outing, and how much distress or difficulty this causes them
- Explore whether routines and standards are applied only to the person themselves or are also imposed on others, since the latter is more likely to generate the friction that brings the pattern to clinical attention
- Take care to assess genuine functional impact and distress rather than simply noting the presence of orderly or conscientious traits, given the recognised risk of over-diagnosing this category
- Note that this diagnosis is most often made incidentally, during assessment of a separate mental state disorder, since the traits themselves are rarely a reason for the person to present for help
Distinguishing features
- Differs from ordinary conscientiousness or a preference for order, which are widely regarded as virtues; the diagnosis requires that the traits reach a genuine threshold of rigidity and impact rather than simply being present in a milder, socially valued form
- Should not be diagnosed on the basis of liking routine, punctuality, or neatness alone, without evidence of a negative impact on the person or on others
Common misconceptions
- That liking routine, punctuality, or neatness is itself evidence of anankastic personality disorder; these traits are widely regarded as virtues, and the diagnosis requires them to reach a genuine threshold of rigidity and impact, which inexperienced clinicians risk under-appreciating
- That this diagnosis is commonly the reason people present for treatment; in practice it is usually identified incidentally, during assessment for a separate mental state disorder
Related defences
Practice this
A man insists on a fixed daily schedule that has not varied in years, becomes visibly distressed by any last-minute change of plan, and has caused repeated friction at work by requiring colleagues to follow his own precise standards for filing paperwork, to the point of damaging his working relationships. What does this represent? · A patient presenting for assessment of a separate mood disorder is noted, incidentally, to keep an extremely detailed and rigid daily schedule going back over a decade, to become visibly agitated by minor changes to it, and to have caused repeated arguments by insisting his family follow his exact standards for household organisation. He does not raise this pattern himself as a concern. Before revealing the answer: is the fact that he did not raise it himself unusual for this presentation? · A man spends over an hour each morning checking that his front door is locked exactly seven times, finds the checking exhausting and pointless, and wishes he could simply stop, but feels compelled to continue regardless. Is this best understood as anankastic personality disorder? · You suspect a patient may have anankastic traits but want to establish whether they reach the threshold of a personality disorder rather than simply being a valued personal quality. Which single question is most useful? · A patient's meticulous scheduling and insistence on order have caused real, repeated conflict with his family. Why does his own comfort with these traits (rather than distress about them) not rule out a personality disorder diagnosis?
Illustration
A 46-year-old accountant insists on eating dinner at exactly 6:15 each evening and reorganising his desk in a specific order before leaving work, and becomes visibly agitated and short-tempered with his family when a last-minute change to weekend plans disrupts a schedule he had already planned down to the hour.
References
- Casey, P. & Kelly, B. (2019). Fish's Clinical Psychopathology, 4th ed. Ch. 10, 'Personality Disorders'.