Functional Dyskinesias following Subthalamic Nucleus Deep Brain Stimulation in Parkinson's Disease: A Report of Three Cases

Functional (psychogenic) dyskinesias in patients with Parkinson's disease (PD) are exceedingly rare.

[1]  A. Lozano,et al.  Functional movement disorders arising after successful deep brain stimulation , 2018, Neurology.

[2]  Benjamin D. Wissel,et al.  Functional neurological disorders in Parkinson disease , 2018, Journal of Neurology, Neurosurgery, and Psychiatry.

[3]  G. Fink,et al.  Causes of failure of pallidal deep brain stimulation in cases with pre-operative diagnosis of isolated dystonia. , 2017, Parkinsonism & related disorders.

[4]  A. Lang,et al.  Phenotype-Specific Diagnosis of Functional (Psychogenic) Movement Disorders , 2015, Current Neurology and Neuroscience Reports.

[5]  J. Nutt,et al.  “Silly Walks” in Parkinson's disease: Unusual presentation of dopaminergic‐induced dyskinesias , 2011, Movement disorders : official journal of the Movement Disorder Society.

[6]  J. Jankovic,et al.  Psychogenic chorea associated with family history of Huntington disease , 2010, Movement disorders : official journal of the Movement Disorder Society.

[7]  J. Matsumoto,et al.  PSYCHOGENIC TREMOR OCCURRING AFTER DEEP BRAIN STIMULATION SURGERY FOR ESSENTIAL TREMOR , 2008, Neurology.

[8]  K. Rommelfanger The role of placebo in the diagnosis and treatment of functional neurologic disorders. , 2016, Handbook of clinical neurology.

[9]  A. Lang,et al.  Psychogenic movement disorders , 2009, Current opinion in neurology.