Movement Disorders Center
Movement Disorders Multidisciplinary Team
Patients come from all over the world to meet with our renowned physicians. Our movement disorders team features four neurologists, two of them who also specialize in intraoperative brain mapping for deep brain stimulation. Dr. Mustafa Saad Siddiqui and Dr. Ihtsham Haq are both fellowship-trained in microelectrode recording and physiological brain mapping for deep brain stimulation surgeries. They are at the forefront of advances in movement disorders treatment and deep brain stimulation.
Movement Disorders: Expert Physician Care in North Carolina
Movement disorders affect each patient differently. Your experience is unique, and so is your treatment. At Wake Forest Baptist Health, you will meet with many different specialists. Our physicians have years of experience in diagnosing and treating movement disorders. After meeting your doctors and undergoing a comprehensive evaluation, your multidisciplinary movement disorders team will meet with you and discuss your treatment options.
Mustafa Saad Siddiqui, MD, is Director of Parkinson's & Movement Disorders program and Co-director of Deep Brain Stimulation (DBS) program at Wake Forest School of Medicine. He is Associate Professor of Neurology & Neurosurgery. Dr. Siddiqui graduated from Pakistan in 1990. He completed his Neurology residency from Drexel University, Philadelphia and Fellowship in Movement disorders and Deep Brain Stimulation from McKnight Brain Institute, University of Florida.
He is Fellow of the American Neurological Association, a member of the American Academy of Neurology, Movement Disorder Society and Parkinson's disease Study Group (PSG). He is listed in Best Doctors in America and has been Principal investigator in many clinical trials for Parkinson’s disease including a trial on gene therapy.
He has published in peer reviewed journals such as Lancet Neurology, Neurology, Neurosurgery, Journal of Neurology, Stroke, Journal of Neurology Neurosurgery & Psychiatry, Stereotactic & Functional Neurosurgery and written many book chapters. Dr. Siddiqui's interests include Parkinson’s disease, tremors, dystonia, botulinum toxin therapy, movement disorders, cognitive neuroscience and deep brain stimulation.
Ihtsham Haq, MD, received his BS in Biomedical Engineering and BA in Philosophy from Columbia University, and his MD from the State University of New York at Brooklyn. Dr. Haq completed his Neurology residency at Georgetown University. Following his residency he completed a 3-year Movement Disorders fellowship at the University of Florida, one of the world’s leading centers for movement disorder surgery.
During his time at UFL his training included both the medical and surgical treatment of movement disorders, including microelectrode recording for Deep Brain Stimulation (DBS) surgery. Dr. Haq has been an Assistant Professor at Wake Forest School of Medicine since 2009 and has become a valued member of the Wake Forest Movement Disorders team. He currently treats patients with a variety of movement disorders, including Parkinson’s disease, essential tremor, dystonia, and Tourette syndrome. His research interests include DBS for psychiatric disorders that have not responded to medical management.
After completing his neurology residency at the University of Iowa, Francis O. Walker, MD, completed a fellowship in Movement Disorders with Anne Young, MD, PhD, at the University of Michigan. He joined the faculty at Wake Forest School of Medicine in 1984 and began the movement disorders service.
With a grant from the Hereditary Disease Foundation, Dr. Walker conducted the first therapeutic clinical trial in Huntington’s disease in the state of North Carolina and since has conducted over 20 studies in this disorder. Beginning in 1989, he began pioneering the optimal use of EMG needle guidance for therapeutic botulinum toxin injections in patients with dystonia. Working with Dr. Tatter he helped initiate the Parkinson’s surgery program, which was subsequently formalized by Drs. Siddiqui, Haq and Ellis. Currently Dr. Walker is a member of the Huntington’s and Parkinson’s study group and an active investigator and collaborator in both fields.
Allison Brashear, MD, is Professor and Chair of the Department of Neurology. Dr. Brashear has a special interest in cervical dystonia and spasticity. She has been the principal investigator in many multi-center trials in the treatment of cervical dystonia and spasticity with botulinum toxin. She was the lead author on the pivotal paper, “Intramuscular Injection of Botulinum Toxin for the Treatment of Wrist and Finger Spasticity After a Stroke”, published in The New England Journal of Medicine in 2002.
She is the Chair of the American Academy of Neurology (AAN) Spasticity/Dystonia Advisory Board. She is the vice-chair of the Unified Council of Neurologic Subspecialties (UCNS). Dr. Brashear is the principal clinician to describe a unique genetic form of dystonia-parkinsonism, Rapid-Onset Dystonia-Parkinsonism (RDP) which was reported in Neuron and Brain.
She graduated from Indiana University School of Medicine in 1987 and completed her training in Neurology at Indiana University School of Medicine in 1991.
Stephen Tatter, MD, PhD, attended Cornell University Medical College, simultaneously earning a PhD in virology at the Rockefeller University in New York City, and completed his neurosurgical residency and fellowship in movement disorders treatment and research at Massachusetts General Hospital and Harvard Medical School in Boston.
Dr. Tatter's primary laboratory and clinical research interests include the development of more effective treatments for movement disorders. Particular interests are the treatment of Parkinson’s disease, dykinesia and dystonia, as well as essential tremor and other types of tremor using techniques including gene therapy, fetal neurotransplantation, and the delivery of neurotrophic factors into the brain. He also studies techniques to optimize the effectiveness of movement disorders surgery while minimizing its risks.
Dr. Tatter is the Co-director of the Gamma Knife Center at Wake Forest Baptist Health, making this precise instrument available to treat people with tremor who are not candidates for invasive neurosurgical procedures.
James Kimball, MD, received his medical school training at UMDNJ - Robert Wood Johnson Medical School in New Jersey, did his residency training at University of North Carolina Hospitals in psychiatry, and his fellowship at Virginia Commonwealth University in psychosomatic medicine. He has been at Wake Forest Baptist Health, in the Department of Psychiatry, since 2003 and is currently the program director for the adult residency program.
He is also the director of the psychiatric consultative and emergency services in the department. His professional interests include brain stimulation, mood disorders, addiction medicine, and psychosomatic medicine.
Adrian W. Laxton, MD, FRCSC, received his medical degree from the University of Toronto in Toronto, Canada. He also completed his residency in neurosurgery and fellowship in functional neurosurgery/epilepsy at the University of Toronto.
A board-certified fellow of the Royal College of Surgeons of Canada, Dr. Laxton joined Wake Forest Baptist in late 2012. His clinical specialties include deep brain stimulation, movement disorders, epilepsy, trigeminal neuralgia, neuropsychiatric disorders, general neurosurgery, spinal neurosurgery, and radiosurgery.
Dr. Laxton’s research interests involve the use of deep brain stimulation to treat movement disorders, dementia, and depression. His recent research has investigated the use of deep brain stimulation to treat patients with Alzheimer’s disease. He also studies the neuronal activity that underlies memory and emotion.
Myriam Sollman, PhD, is a clinical psychologist / neuropsychologist who specializes in understanding changes to cognition, emotions, behavior, and movement that occur with various neurological and psychiatric conditions. She received her doctoral training at the University of Kentucky, completed internship at the University of Florida, and then a fellowship at the Barrow Neurological Institute.
While trained in lifespan neuropsychology, Dr. Sollman’s primary interests include movement disorders, aging, and dementia.
Dr. Sollman joined our team in 2011, and is currently the program director for the Section of Neuropsychology.
All of our physicians are specialists or subspecialists in their field; they have dedicated their careers to diagnosing, treating and preventing movement disorders. Their experience and expertise mean you receive the nation’s highest quality care for movement disorders.
Dr. Bonnie Sachs completed her master's and doctoral degrees in clinical psychology/neuropsychology at the University of Florida and her internship at Emory University. She completed a two-year postdoctoral fellowship in clinical neuropsychology at the Mayo Clinic. Prior to joining Wake Forest Baptist Medical Center as assistant professor in January 2014, Dr. Sachs was employed as assistant professor at the Virginia Commonwealth University School of Medicine, where she performed clinical neuropsychological evaluations and conducted research in their Parkinson’s and Movement Disorders Center.
In the Neurology Department, Dr. Sachs conducts clinical neuropsychological evaluations with adult and geriatric populations. She is also involved in research at the Sticht Center on Aging; her primary research interests are in the area of cognitive aging, interventions for mild cognitive impairment and early dementia, and movement disorders.