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Title: Hypnosis and suggestion as interventions for functional neurological disorder: A systematic review.
Austin Authors: Connors, Michael H;Quinto, Lena;Deeley, Quinton;Halligan, Peter W;Oakley, David A;Kanaan, Richard A A 
Affiliation: Centre for Healthy Brain Ageing, UNSW Sydney, Sydney, Australia
Forensic & Analytical Science Services, NSW Health, Sydney, Australia.
Cultural and Social Neuroscience Research Group, Institute of Psychiatry, Psychology, and Neuroscience, King's College London, London, UK.
School of Psychology, Cardiff University, Cardiff, UK.
Division of Psychology & Language Sciences, University College London, London, UK.
Department of Psychiatry, University of Melbourne, Austin Health, Melbourne, Australia.
Psychiatry (University of Melbourne)
Issue Date: 2024
Date: 2023
Publication information: General Hospital Psychiatry 2024; 86
Abstract: Functional neurological disorder (FND) involves the presence of neurological symptoms that cannot be explained by neurological disease. FND has long been linked to hypnosis and suggestion, both of which have been used as treatments. Given ongoing interest, this review examined evidence for the efficacy of hypnosis and suggestion as treatment interventions for FND. A systematic search of bibliographic databases was conducted to identify group studies published over the last hundred years. No restrictions were placed on study design, language, or clinical setting. Two reviewers independently assessed papers for inclusion, extracted data, and rated study quality. The search identified 35 studies, including 5 randomised controlled trials, 2 non-randomised trials, and 28 pre-post studies. Of 1584 patients receiving either intervention, 1379 (87%) showed significant improvements, including many who demonstrated resolution of their symptoms in the short-term. Given the heterogeneity of interventions and limitations in study quality overall, more formal quantitative synthesis was not possible. The findings highlight longstanding and ongoing interest in using hypnosis and suggestion as interventions for FND. While the findings appear promising, limitations in the evidence base, reflecting limitations in FND research more broadly, prevent definitive recommendations. Further research seems warranted given these supportive findings.
DOI: 10.1016/j.genhosppsych.2023.12.006
Journal: General Hospital Psychiatry
Start page: 92
End page: 102
PubMed URL: 38154334
ISSN: 1873-7714
Type: Journal Article
Subjects: Conversion disorder
Functional neurological disorder
Appears in Collections:Journal articles

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