T R K Varma graduated in medicine (MB; BS) from the University of Bangalore, India, and is a Fellow of the Royal College of Surgeons of Edinburgh. He is currently Consultant Neurosurgeon at the Walton Centre for Neurology and Neurosurgery, Liverpool, and Honorary Cinical Lecturer at the University of Liverpool. He previously held the post of Consultant Neurosurgeon and Honorary Senior Lecturer at Ninewells Hospital and Medical School, Dundee. He is a member of the Council of the Society of British Neurological Surgeons (SBNS) and of the Clinical Standards Committee of SBNS. His special expertise is in the field of stereotactic and functional neurosurgery, including the use of chronic electrical stimulation of the brain in the treatment of movement disorders.