Table Of ContentOxford Textbook of  
Neuropsychiatry
OXFORD TEXTBOOKS IN PSYCHIATRY
Oxford Textbook of Neuropsychiatry
Edited by Niruj Agrawal, Rafey Faruqui, and Mayur Bodani
Oxford Textbook of Psychiatry of Intellectual Disability
Edited by Sabyasachi Bhaumik and Regi Alexander
Oxford Textbook of Inpatient Psychiatry
Edited by Alvaro Barrera, Caroline Attard, and Rob Chaplin
Oxford Textbook of Attention Deficit Hyperactivity Disorder
Edited by Tobias Banaschewski, David Coghill, and Alessandro Zuddas
Oxford Textbook of Correctional Psychiatry
Edited by Robert Trestman, Kenneth Appelbaum, and Jeffrey Metzner
Oxford Textbook of Old Age Psychiatry
Edited by Tom Dening and Alan Thomas
Oxford Textbook of Community Mental Health
Edited by Graham Thornicroft, George Szmukler, Kim T Mueser, and Robert E. Drake
Oxford Textbook of Suicidology and Suicide Prevention
Edited by Danuta Wasserman and Camilla Wasserman
Oxford Textbook of Women and Mental Health
Edited by Dora Kohen
Oxford Textbook of  
Neuropsychiatry
EDITED BY
Niruj Agrawal
Department of Neuropsychiatry, St George’s Hospital, London, UK
Rafey Faruqui
University of Kent, and Kent & Medway NHS  
and Social Care Partnership Trust, UK
Mayur Bodani
Department of Neuropsychiatry, Kent & Medway NHS   
and Social Care Partnership Trust, UK
1
3
   Great Clarendon Street, Oxford, OX2 6DP,
United Kingdom
Oxford University Press is a department of the University of Oxford.
It furthers the University’s objective of excellence in research, scholarship,
and education by publishing worldwide. Oxford is a registered trade mark of
Oxford University Press in the UK and in certain other countries
© Oxford University Press 2020
© Materials in Chapter 9 of this work were prepared by an officer or employee of  
the United States Government as part of that person’s official duties and is not subject to  
copyright protection in the United States. Copyright protection may apply in other countries.
The moral rights of the authors have been asserted
First Edition published in 2020
Impression: 1
All rights reserved. No part of this publication may be reproduced, stored in
a retrieval system, or transmitted, in any form or by any means, without the
prior permission in writing of Oxford University Press, or as expressly permitted
by law, by licence or under terms agreed with the appropriate reprographics
rights organization. Enquiries concerning reproduction outside the scope of the
above should be sent to the Rights Department, Oxford University Press, at the
address above
You must not circulate this work in any other form
and you must impose this same condition on any acquirer
Published in the United States of America by Oxford University Press
198 Madison Avenue, New York, NY 10016, United States of America
British Library Cataloguing in Publication Data
Data available
Library of Congress Control Number: 2019955879
ISBN 978– 0– 19– 875713– 9
Printed and bound by 
CPI Group (UK) Ltd, Croydon, CR0 4YY
Oxford University Press makes no representation, express or implied, that the
drug dosages in this book are correct. Readers must therefore always check
the product information and clinical procedures with the most up-t o- date
published product information and data sheets provided by the manufacturers
and the most recent codes of conduct and safety regulations. The authors and
the publishers do not accept responsibility or legal liability for any errors in the
text or for the misuse or misapplication of material in this work. Except where
otherwise stated, drug dosages and recommendations are for the non- pregnant
adult who is not breast- feeding
Links to third party websites are provided by Oxford in good faith and
for information only. Oxford disclaims any responsibility for the materials
contained in any third party website referenced in this work.
Foreword
The Oxford Textbook of Neuropsychiatry is very timely. There is  to bedside’. If they are to keep up with the pace of progress, the 
a growing awareness among psychiatrists and neurologists that  next generation of clinicians must be ‘neuroscientifically literate’. A 
the traditional Cartesian mind-brain dualism which fuelled div- deeper integration of neurosciences and neuropsychiatry in psychi-
ision between their specialties is completely arbitrary and, in fact,  atric and neurological training will better prepare trainees for the 
contradicted by scientific research. Multidisciplinary team working  developments in diagnosis and treatment that stem from increased 
has highlighted the extent of the overlap between psychiatric and  understanding of the brain in health and disease.
neurological symptoms and disorders, as well as the implications  The practice of neuropsychiatry is driven by bringing together 
for patients’ functioning and quality of life. Indeed, the many dis- different perspectives and this comprehensive textbook includes 
orders that do not fall neatly within the remit of either specialty  contributions from renowned international experts in the neuro-
need cross-disciplinary insights if they are to be fully understood  logical, psychiatric, psychological and neuroscientific fields from 
and our patients are to receive the most appropriate care. across the globe. The authors have kept in mind clinical relevance 
Neuropsychiatry is a well-recognized discipline in many coun- and an evidence-based approach to ensure that the book delivers 
tries, particularly those in which training in psychiatry and neur- exactly what its readers need. The different sections will be valuable 
ology has traditionally been combined. Elsewhere, there has been  to trainees and to established clinicians, to those who are moving 
increasing interest in the subspecialty since the 1980s, witnessed by  into the subspecialty of neuropsychiatry and are looking for a thor-
the establishment of national neuropsychiatric associations and the  ough introduction, or for people seeking a detailed, up-to-date re-
publication of specialized texts. Meanwhile, many countries have  view of current understanding across the field.
recognized the need to expand and improve upon the neuroscience  This textbook is a considerable achievement and a very welcome 
knowledge base of psychiatry and neurology trainees through the  resource.
modernization of training programmes. Advances in neuroscience 
research are appearing at an ever-faster rate and work in basic sci- Professor Wendy Burn
ence is becoming increasingly ‘translational’, as scientists work to  co-Chair, The Gatsby/Wellcome Neuroscience Project
reduce the lag in transferring laboratory discoveries ‘from bench  President, Royal College of Psychiatrists
Preface
Neuropsychiatry is often misunderstood as a discipline and its  trainees, whilst they did not wish to specialize in neuropsychiatry, 
definition and scope is interpreted differently across the world.  recognized the value of an understanding of neuropsychiatry in 
However one looks at the scope of neuropsychiatry, its core identity  their preferred subspecialty as a career choice. There is currently 
lies at the interface between neurology and psychiatry. Traditional  a drive in a number of psychiatric programmes across the globe to 
mind-brain dualism which fuelled division between neurology  improve exposure to basic and clinical neuroscience.
and psychiatry is now considered outdated and arbitrary. We are  Currently, there are a small number of recognized textbooks 
now increasingly aware of the extent of the overlap between neuro- of neuropsychiatry in the world. However, most of these are a bit 
logical and psychiatric symptoms and disorders, and their implica- old and are rather large reference works for specialists in this field. 
tions on our patients’ functioning and quality of life. This overlap  There is a dearth of neuropsychiatry textbooks which are pitched 
ranges from common neurological disorders presenting with psy- at the level of trainees and clinicians who are not specialists in the 
chiatric symptoms; psychiatric conditions presenting with neuro- field. Hence this textbook is written in simple language, is clin-
logical symptoms; common neurological and psychiatric disorders  ically focused, is very comprehensive in its scope of topics, and 
co-existing by chance; or various brain disorders and syndromes  covers a global perspective. We believe that the Oxford Textbook 
which present with a range of neurological and psychiatric symp- of Neuropsychiatry will help to bridge the gap between general psy-
toms concomitantly. Effective and timely management of these  chiatric and neurology textbooks and neuropsychiatry reference 
conditions requires specific neuropsychiatric knowledge and ex- books, and will become an essential training textbook for all psych-
perience brought together from a number of related fields including  iatry and neurology trainees worldwide.
neurology,  psychiatry,  neuropsychology,  neurophysiology  and  This book is written by international experts, clinicians, and 
neuroradiology, along with a knowledge of basic neuroscience. leaders in their field from a very large number of countries in the 
Popular psychiatric or neurological textbooks generally touch  world and spanning several continents. They have taken an up-to-
upon these neuropsychiatric conditions superficially, but do not  date evidence-based approach with clinical relevance in mind, 
do justice to the nature and complexity of these conditions and do  taking a global perspective on neuropsychiatric problems and treat-
not provide adequate information. Similar concerns are unfortu- ment. They come from primarily neurological, psychiatric, psycho-
nately also prevalent in the vast majority of neurology or psychiatry  logical, neuroscience, and neuropsychiatric backgrounds. This is 
training programmes across the world. There are very few places at  truly a global multidisciplinary effort unlike any other neuropsych-
present with a formalized neuropsychiatry training programme glo- iatry textbook currently available.
bally. Despite this, patients with neuropsychiatric conditions com- This book is organized into four sections. The first section covers 
monly present in neurological and psychiatric clinical practice. This  the foundation and basic skills, including basic science knowledge 
has led to an increasing recognition of the need to improve neuro- and clinical skills relevant to neuropsychiatry. The second section 
psychiatric knowledge and skills of all neurology and psychiatry  covers the details of a wide range of core neuropsychiatric condi-
trainees that is long overdue. There has been a substantial global  tions. The third section focuses on the principles of treatment in 
focus recently on more profound integration of neurosciences and  various modalities and neuropsychiatry service models and path-
neuropsychiatry in psychiatric training.  Neuropsychiatry forms an  ways. This section also covers the relevance of neuropsychiatry in 
important part of the psychiatric curriculum and is examined both  criminal and civil courts. The last section is unique to this book 
in theory and in clinical exams. Similarly, neuropsychiatry is also of  and provides a snapshot of neuropsychiatry perspectives in various 
interest to neurology trainees, and it is increasingly recognized that  parts of the world. All chapters contain a number of key learning 
all neurology trainees should have some knowledge and experience  points at the end and key references.
in neuropsychiatry. We believe this book may also be of relevance to trainees in 
The need for neuropsychiatric knowledge and skills is now rec- neurorehabilitation,  allied  professionals  in  neuroscience  and 
ognized by trainees too. A survey of over 900 trainees at the Royal  mental health, in addition to neurology and psychiatry trainees and 
College of Psychiatrists (RCPsych) in the United Kingdom showed  clinicians. It covers core knowledge and skills for training in neuro-
that over three-quarters of psychiatry trainees desired some know- psychiatry but also covers the knowledge applicable to all neurology 
ledge and training in the field of neuropsychiatry. Most of these  and psychiatry trainees. The book meets curriculum requirements
viii Preface
for various international training programmes and examinations.  We would also like to thank the Oxford University Press editorial 
We hope that you will enjoy reading this book as much as we have  team, Lauren Tilley, Karen Moore, Rachel Goldsworthy, and Pete 
reading all the chapters. Stevenson for their help and support at all the stages of this book’s 
We are most grateful to all our contributors internationally,  production.
many of whom are friends and colleagues. They have worked hard  Niruj Agrawal
to simplify complex knowledge and distil a lifetime of experience  Rafey Faruqui
concisely. It has been an honour and privilege to work with them.  Mayar Bodani
Contents
   Abbreviations  xi  12.  Genetics of neuropsychiatric disease  127
  Contributors  xix Stefania Bruno and Nayana Lahiri
   13.  Neuropsychiatry curriculum and key clinical 
competencies  141
SECTION 1 Perminder S. Sachdev and Adith Mohan
   Foundations and basic skills   14.  Immunology relevant to neuropsychiatry  151
Rachel Patel and Neil A. Harrison
    1.  The history and scope of neuropsychiatry  3
  Michael Trimble  15.  Neuropsychiatry of consciousness  161
David Linden
    2.  Introduction to the neuropsychiatric 
examination  13
Jonathan Silver and Sonja Blum
SECTION 2
    3.  The neurological examination in 
  Core neuropsychiatric conditions 
neuropsychiatry  23
Jan A. Coebergh and Biba R. Stanton
   16.  Brain injury  171
    4.  Philosophy and neuropsychiatry  35 Niruj Agrawal
Norman A. Poole and Derek Bolton
   17.  Neuropsychiatric aspects of epilepsy  181
    5.  Phenomenology: a neuropsychiatric  Marco Mula and Mahinda Yogarajah
perspective  43
   18.  Neuropsychiatric aspects of movement 
Michael Trimble
disorders  195
    6.  Basic neuroanatomy review  51 Andrea E. Cavanna and Hugh Rickards
John Hart Jr
   19.  Neuropsychiatry of stroke and transient 
    7.  Neurophysiology in neuropsychiatry  67 ischaemic attack  207
Elisaveta Sokolov and Nandini Mullatti Yvonne Chun, Laura McWhirter, and Alan Carson
     8.  Structural imaging in neuropsychiatry  81  20.  Infections of the central nervous system  217
Naga Kandasamy and Dana Niry Guleed Adan, Sam Nightingale, Christine Burness,   
and Tom Solomon
    9.  Functional neuroimaging in neuropsychiatry  95
  Robin A. Hurley, Shane C. Masters, and Katherine H. Taber  21.  Neuropsychiatric aspects of CNS tumours  
in adults  229
   10.  Proteomics and metabolomics in 
Alex J. Mitchell and Audrey Hopwood
neuropsychiatry  105
  Ray Suman  22.  Inflammatory and autoimmune disorders in 
neuropsychiatry  245
   11.  Neuropsychological assessment of 
Thomas A. Pollak, Ester Coutinho, Emma Palmer- Cooper,   
dementia  115
and Angela Vincent
James R. Burrell, John R. Hodges, and Olivier Piguet