Part of the Challenging Concepts in series, this book is a case-based guide to challenging clinical scenarios in neurology, covering 25 sub-specialty areas of the neurology curriculum.

Krishna Chinthapalli, Clinical Research Fellow, UCL Institute of Neurology, London, UK; Neurology Specialty Registrar, St George's Hospital, London, UK, Nadia Magdalinou, Clinical Research Fellow, UCL Institute of Neurology, London, UK; Neurology Specialty Registrar, St George's Hospital, London, UK, Nicholas Wood, Galton Professor of Genetics UCL, Vice Dean for Research, UCL Faculty of Brain Sciences, UCL Institute of Neurology, London, UK; Honorary Consultant, National Hospital for Neurology and Neurosurgery, London, UK

Krishna Chinthapalli is a Clinical Research Associate for the Epilepsy department at the Institute of Neurology, UCL, UK. From 2009 to 2012 he was Honorary Clinical Fellow at the National Hospital for Neurology and Neurosurgery (NHNN), and from 2010 until 2014 he was Neurology Specialty Question Group examiner for the Royal College of Physicians. In 2010 he receieved the Annual Governance Day Audit Prize from the NHNN. He has published numerous articles in medical and scientific journals and has spoken at the 29th International Epilepsy Congress, Rome in 2011. His research currently focuses on 'Recruiting patients and families with epilepsy for genome-wide association studies and facial morphometry' at UCL.

Nadia Konstantina Magdalinou is a Clinical Research Associate at the Institute of Neurology, UCL, working with Professor A Lees. From 2010 to 2011, she was a Sub-investigator in a DONIPAD study (testing efficacy of Donepezil in Posterior Cortical Atrophy) and a CONCERT study (trial of Dimebon added to Donepezil in patients with Alzheimer's disease). She has published several articles in scientific journals.

Nicholas Wood is Professor of Neurology and Head of the Department of Molecular Neuroscience, and Galton Professor of Genetics at UCL Institute of Neurology. Until 1999 he was Senior Lecturer od Clinical Neurology at the Institute of Neurology, and Head of Clinical and Molecular Neurogenetics Unit at NHNN. He has been awarded grants from Wellcome Trust and the Medical Research Council for his research, and has published numerous articles for medical and scientific journals. He is currently on the editorial boards for journals Progress in Neurology and Psychiatry, Neurogenetics and Human genomics. In 1999 he received the Linacre Medal from the Royal College of Physicians, London. He sits on the medical advisory panels of various charities and has been elected to the BRAIN Board of Management. He regularly lectures on the ION/NHNN MSc course in Clinical Neuroscience, has recently been appointed to the Galton Chair of Genetics, and is Research Director of the newly established UCL Genetics Institute.