Dr Karen Williams is a Psychiatrist in Wollongong, NSW, Australia. Psychiatry. Psychiatry is the medical specialty devoted to the study, diagnosis, treatment, and prevention, of mental disorders. These include various affective, behavioural, cognitive and perceptual abnormalities. Dr Kaplan is Clinical Associate Professor at the Graduate School of Medicine, Wollongong University and Research Fellow, History Department, Stellenbosch University, South Africa. He reports no conflicts of interest concerning the subject matter of this article. ... Hist Psychiatry. 2008;19(76 Pt 4):454--75. 2. Jones E, Rahman S, Woolven R.