References
- 1Schwingenschuh P, Saifee TA, Katschnig-Winter P, Macerollo A, Koegl-Wallner M, Culea V, et al. Validation of “laboratory-supported” criteria for functional (psychogenic) tremor. Mov Disord. 2016 Apr;31(4):555–62. DOI: 10.1002/mds.26525
- 2Hess CW, Hsu AW, Yu Q, Ortega R, Pullman SL. Increased variability in spiral drawing in patients with functional (psychogenic) tremor. Hum Mov Sci. 2014 Dec;38:15–22. DOI: 10.1016/j.humov.2014.08.007
- 3Fung WKW, Fasano A. “Stretched Slinky” Sign: Another Clue to Functional Tremor. Neurol Clin Pract. 2022 Oct;12(5):e121–3. DOI: 10.1212/CPJ.0000000000200075
- 4Moughal S, Christou A, Edwards M, Coebergh J. Looking for inconsistency: Combining distraction with spirography for diagnosis of functional tremor. J Neurol Sci. 2023 Oct 15;453:120785. DOI: 10.1016/j.jns.2023.120785
- 5Bhatia KP, Bain P, Bajaj N, Elble RJ, Hallett M, Louis ED, et al. Consensus Statement on the Classification of Tremors. From the Task Force on Tremor of the International Parkinson and Movement Disorder Society. Mov Disord. 2018 Jan;33(1):75–87. DOI: 10.1002/mds.27121