Paroxysmal Psychogenic Movement Disorders Marie Vidailhet Frédéric Bourdain Philippe Nuss Jean-Marc Trocello ABSTRACT Paroxysmal psychogenic movement disorders are rare, but may be underdiagnosed because of two major limitations: the definition…
Pychogenic Gait: An Example of Deceptive Signaling John G. Morris Gregory Mark de Moore Marie Herberstein ABSTRACT Psychogenic gaits are characterized by a number of features (1): exaggerated effort or…
Psychogenic Parkinsonism John C. Morgan Kapil D. Sethi ABSTRACT Parkinson disease (PD) is characterized by bradykinesia, tremor, cogwheel rigidity, and, in later stages, postural instability. Bradykinesia is a requisite clinical…
Psychogenic Dystonia and Reflex Sympathetic Dystrophy Anette Schrag ABSTRACT Dystonia was for many years misdiagnosed as a psychogenic condition, leading to inappropriate management strategies in a considerable number of patients….
The Phenomenology of Startle, Latah, and Related Conditions Philip D. Thompson ABSTRACT Culture-bound startle syndromes, exemplified by latah, represent an exaggeration of the secondary component of the startle response. These…
Psychogenic Tremor and Shaking Joseph Jankovic Madhavi Thomas ABSTRACT The accurate diagnosis of psychogenic movement disorders (PMDs) is based not only on exclusion of other causes, but also on positive…
General Overview of Psychogenic Movement Disorders: Epidemiology, Diagnosis, and Prognosis Anthony E. Lang ABSTRACT Epidemiologic studies of “medically unexplained symptoms” are fraught with problems. Despite numerous confounding issues, it is…
The History of Psychogenic Movement Disorders Stanley Fahn ABSTRACT Psychogenic movement disorders are part of the spectrum of a host of psychogenic neurologic disorders. Originally referring to these disorders as…
Military and Mass Hysteria Ian P. Palmer ABSTRACT Hysteria and mass hysteria are as old as war itself. Debate about their origins has been informed by conflict through the ages….
Charcot and Psychogenic Movement Disorders Christopher G. Goetz ABSTRACT In his neurologic unit at the Hôpital de la Salpêtrière, the neurologist Jean-Martin Charcot studied many patients who today would likely…
