David L. Perez M.D., M.M.S.c. is a faculty member in the Departments of Neurology and Psychiatry at the Massachusetts General Hospital. Dr. Perez is the director of the Functional Neurological Disorders Clinic based within the Cognitive Behavioral Neurology Unit and closely affiliated with the Neuropsychiatry Unit at the Massachusetts General Hospital. In the MGH Functional Neurological Disorders Clinic, Dr. Perez provides specialized, integrated neurologic and psychiatric consultations for patients experiencing motor Functional Neurological Disorders, including individuals with Psychogenic Nonepileptic Seizures, Functional Movement Disorders, and Functional Limb Weakness.

Dr. Perez is also the director of the MGH Functional Neurology Research Group, which is dedicated to the comprehensive clinical and neurobiological investigation of motor Functional Neurological Disorders. The laboratory uses advanced structural and functional magnetic resonance imaging (MRI) techniques to investigate biomarkers of symptom severity, disease-risk, subtype and prognosis across individuals with Psychogenic Nonepileptic Seizures, Functional Movement Disorders and Functional Limb Weakness.

Dr. Perez is a dual trained and board certified neurologist-psychiatrist, and is a member of the Cognitive Behavioral Neurology, Frontotemporal/Memory Disorders and Neuropsychiatry Units at Massachusetts General Hospital.

Functional Neurological Disorder

After a young woman experiences unexplained leg weakness and loses her ability to walk, she is evaluated in the Functional Neurological Disorders Clinic at  Massachusetts General Hospital, led by Dr. David Perez.