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Title: Are psychogenic non-epileptic seizures just another symptom of conversion disorder?
Austin Authors: Kanaan, Richard A A ;Duncan, Roderick;Goldstein, Laura H;Jankovic, Joseph;Cavanna, Andrea E
Affiliation: Department of Psychiatry, Austin Health, University of Melbourne, Heidelberg, Victoria, Australia
Departments of Psychology and Neuroscience, King's College London, Institute of Psychiatry, London, UK
Department of Neurology, University of Otago, Christchurch, New Zealand
Department of Neurology, Parkinson's Disease Center and Movement Disorders Clinic, Baylor College of Medicine, Houston, Texas, USA
Department of Neuropsychiatry, Birmingham and Solihull Mental Health NHS Foundation Trust and University of Birmingham, Birmingham, UK
School of Life and Health Sciences, Aston University, Birmingham, UK
Sobell Department of Motor Neuroscience and Movement Disorders, Institute of Neurology, University College London, London, UK
Issue Date: May-2017 2017-02-24
Publication information: Journal of Neurology, Neurosurgery & Psychiatry 2017; 88(5): 425-429
Abstract: BACKGROUND: Psychogenic non-epileptic seizures (PNES) are classified with other functional neurological symptoms as 'Conversion Disorder', but there are reasons to wonder whether this symptomatology constitutes a distinct entity. METHODS: We reviewed the literature comparing PNES with other functional neurological symptoms. RESULTS: We find eight studies that directly examined this question. Though all but one found significant differences-notably in presenting age, trauma history, and dissociation-they were divided on whether these differences represented an important distinction. CONCLUSION: We argue that the aetiological and mechanistic distinctions they support, particularly when bolstered by additional data, give reason to sustain a separation between these conditions.
DOI: 10.1136/jnnp-2017-315639
ORCID: 0000-0003-0992-1917
Journal: Journal of Neurology, Neurosurgery & Psychiatry
PubMed URL:
Type: Journal Article
Subjects: Aetiology
Functional neurological disorder
Psychogenic movement disorder
Appears in Collections:Journal articles

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