Imperfect Cognitions

In today’s post, Mateo Boberg, Julie Nordgaard and Mads Gram Henriksen (University of Copenhagen) explore how reliable psychiatric diagnoses are in the 21st century.                                                                                                                                   Mads Gram Henriksen Mateo Boberg  Julie Nordgaard What happens if two psychiatrists assess the same patient? Most people, including many clinicians, would probably expect them to reach the same diagnosis. After all, modern psychiatry has spent decades developing operational diagnostic criteria intended to improve diagnostic reliability. But how reliable are psychiatri...

Today's post is by George Chapman, an academic psychiatrist-in-training currently based at the University of Oxford, and Robert Howard, Professor of Old Age Psychiatry at University College London and Honorary Consultant Psychiatrist at the North London NHS Foundation Trust.           George Chapman Robert Howard Delusions are classically described as ‘fixed’ false beliefs. This description was first articulated by Karl Jaspers and, while it is widely considered to be an overstatement or incomplete, it still forms the basis of definitions found in the Diagnostic Statistical Manual (DSM) and International Classification of Diseases (ICD). In recent years, there have been tremendous advances towards unravelling why and how delusions emerge . However, much less has been learned about why or how delusions are persistently sustained once formed. This discrepancy motivated our just-published narrative review, “ On the fixed nature of delusions”  which I briefly ...