Washington University School of Medicine

Washington University School of Medicine


Contact Information

  Washington University School of Medicine
660 South Euclid Avenue, Campus Box 8111
St. Louis, Missouri 63110

  Stacey Barton (314) 362-3471



Site Coordinators

unpictured_woman_greenJohanna Hartlein, APRN, MSN

Ms. Johanna Hartlein’s research interest is movement disorders, primarily Parkinson Disease and Tourette Syndrome. The focus of her studies has been using brain imaging approaches, such as MRI and PET scan in combination with cognitive and memory testing to investigate brain function and activities in Parkinson Disease.

Ms. Johanna Hartlein got her Master of Science in Nursing from St. Louis University. Before she joined Movement Disorders Clinic, she served as a Staff Nurse in St.Louis Children’s hospital. She is licensed family nurse practitioner in Missouri since 2006, and registered nurse since 1999. She is a member of several professional societies, including Parkinson Disease Association, Tourette Syndrome Association. Ms. Hartlein has many years of experience treating patients with Parkinson Disease and has been involved in many clinical studies in PD as well as other types of movement disorders.


Stacey Barton, MSW, LCSW
Phone: (314) 362-3471

Melissa Ammel

Site Investigators

Joel Perlmutter, MD

Dr. Perlmutter is the Head of the Movement Disorders Section, Elliot Stein Family Professor of Neurology, Director of the American Parkinson Disease Association Advanced Research Center for Parkinson Disease, and the Director of the Huntington Disease Center of Excellence at Washington University in St. Louis.

Dr. Perlmutter is a fellow of the American Academy of Neurology, the International Society of Cerebral Blood Flow & Metabolism and the Parkinson’s Study Group, the Huntington’s Study Group, the Dystonia Study Group and is a Fellow of the American Neurological Association . He serves as Director of Medical Advisory Committee of the Missouri Chapter of the Dystonia Medical Research Foundation, as Medical Director of the Parkinson’s Disease Information and Referral Center, and as a member of the advisory board of the the St. Louis Chapter of the American Parkinson’s Disease Association.


racette_WashUBrad A. Racette, MD

Dr. Racette is Professor and Vice Chairman of Neurology. Dr. Racette received his A.B. in 1988 in Molecular Biology from Princeton University. He graduated from Northwestern University Medical School in 1992. Following an internship at Northwestern Memorial Hospital in Chicago, IL, he completed residency training in Neurology at Barnes Hospital (Washington University School of Medicine). He completed a fellowship in Movement Disorders at Washington University School of Medicine in 1998 and was appointed to the faculty as an Assistant Professor of Neurology in 1998. Dr. Racette is a member of the American Academy of Neurology, the Movement Disorders Society, the Parkinson’s Study Group, and the Huntington’s Study Group. He serves on the medical advisory board of the St. Louis chapter of the American Parkinson’s Disease Association the Missouri chapter of the Dystonia Medical Research Foundation. He has been elected to the American Neurologic Association and named a fellow in the American Academy of Neurology.


wright_WashUBrenton A. Wright, MD

Dr. Wright is a clinician, educator, and clinical investigator specializing in Movement Disorders. His research interests include gait and balance in neurodegenerative diseases; clinical research in Parkinson’s disease, Huntington’s disease and other movement disorders; mechanisms and outcomes of deep brain stimulation (DBS) surgery; and outcomes of continuous intraintestinal levodopa infusion. He is a member of the Huntington Study Group. Dr. Wright’s clinical interests include the full spectrum of movement disorders including Parkinsonian conditions, dystonia, tremor, ataxia, chorea, tics, tardive disorders, and other rare diseases. His practice incorporates evaluation and post-operative management of patients receiving DBS, intraoperative microelectrode recording to aid in stereotactic placement of DBS electrodes, as well as botulinum toxin injections.


Susan Criswell, MD

Dr. Criswell is a fellowship trained Movement Disorder specialist with postdoctoral degree in clinical investigation. Her research interests are focused in evaluating environmental risk factors for parkinsonism. Specific intrestes include the use of PET and MRI and as a non-invasive biomarkers of neurotoxic exposures.