Research groups

Functional Neurological Disorder (FND) Research Group

Peer-reviewed original articles

  1. Behavioral Differences Across Theta Burst Stimulation Protocols. A Study on the Sense of Agency in Healthy Humans. Zito GA, Worbe Y, Lamy JC, Kälin J, Bühler J, Weber S, Müri RM, & Aybek S (2021). Frontiers in neuroscience15, 658688. 
  2. Evidence-Based Practice for the Clinical Assessment of Psychogenic Nonepileptic Seizures: A Report From the American Neuropsychiatric Association Committee on Research. Baslet G, Bajestan SN, Aybek S, Modirrousta M, D Clin Psy JP, Cavanna A, Perez DL, Lazarow SS, Raynor G, Voon V, Ducharme S, LaFrance WC Jr., J Neuropsychiatry Clin Neurosci. 2021 Winter;33(1):27-42. 
  3. Briquet syndrome revisited: implications for functional neurological disorder. Maggio J, Alluri PR, Paredes-Echeverri S, Larson AG, Sojka P, Price BH, Aybek S, Perez DL. Brain Commun. 2020 Sep 23;2(2):fcaa156. 
  4. Neural correlates of sense of agency in motor control: A neuroimaging meta-analysis. Zito GA, Wiest R, Aybek S. PLoS ONE 15(6). 2020 June 5. 
  5. Abnormal postural behavior in patients with functional movement disorders during exposure to stress. Zito GA, Apazoglou K, Paraschiv-Ionescu A, Aminian K, Aybek S, 2018.  Psychoneuroendocrinology. (IF: 4.73).
  6. Prevalence of functional (psychogenic) parkinsonism in two Swiss movement disorders clinics and review of the literature. Frasca Polara G, Fleury V, Stone J, Barbey A, Burkhard PR, Vingerhoets F, Aybek S. J Neurol Sci. 2018 Apr 15;387:37-45. (IF: 2.47).
  7. Metacognition of visuomotor decisions in conversion disorder. Bègue I, Blakemore R, Klug J, Cojan Y, Galli S, Berney A, Aybek S, Vuilleumier P. Neuropsychologia. 2018 Jun;114:251-265. (IF: 3.30)
  8. Current Concepts in Diagnosis and Treatment of Functional Neurological Disorders. Espay AJ, Aybek S, Carson A, Edwards MJ, Goldstein LH, Hallett M, LaFaver K, LaFrance WC Jr, Lang AE, Nicholson T, Nielsen G, Reuber M, Voon V, Stone J, Morgante F. JAMA Neurol. 2018 Jun 4.  (IF:  10.03).
  9. Identifying motor functional neurological disorder using resting-state functional connectivity. Wegrzyk J, Kebets V, Richiardi J, Galli S, Van de  Ville D, Aybek S. NeuroImage: Clinical 2018;17:163-68 (IF: 4.35)
  10. Biological and perceived stress in motor functional neurological disorders. Apazoglou K, Mazzola V, Wegrzyk J, Frasca Polara G, Aybek, S. Psychoneuroendocrinology Nov 2017;85:142-50 (IF: 4.79).
  11. Increased methylation of the oxytocin receptor gene in motor functional neurological disorder: a preliminary study. Apazoglou K, Adouan W, Aubry J-M, Dayer A, Aybek S. Journal of Neurology, Neurosurgery & Psychiatry Sep 2017 (IF: 7.35).
  12. Testing head rotation and flexion is useful in functional limb weakness. Horn D, Galli S, Berney A, Vingerhoets, Aybek S. Movement Disorders Clinical Practice 2017 Jul;4(4):597-602.
  13. Aversive stimuli exacerbate defensive motor behaviour in motor conversion disorder. Blakemore RL, Sinanaj I, Galli S, Aybek S, Vuilleumier P. Neuropsychologia 2016 Dec;93A:229-41 (IF:2.9).
  14. Life Events and Escape in Conversion Disorder. Nicholson T°, Aybek S°, O’Daly O, Zelaya F, Kanaan R, David A. Psychological Medicine 2016 Sep. 46(12):2617-26 (IF:5.9).°co-first authors.
  15. Medically unexplained visual loss in a specialist clinic: a retrospective case-control comparison. O’LearyED, McNeillis B, Aybek S, Riordan-Eva P, David AS. J Neurol Sci. 2016 Feb 15;361:272-6 (IF:2.5).
  16. Emotion-Motion interaction in Conversion Disorder: an fMRI study. Aybek S, Nicholson T, O’Daly O, Zelaya F, Kanaan R, David A. Plos One. 2015. Apr 10;10(4) (IF:3.5).
  17. Efficacy of brief interdisciplinary psychotherapeutic intervention for motor conversion disorder and non-epileptic attacks. Hubschmid M, Aybek S, Maccaferri GE, Chocron O, Gholamrezaee MM, Rossetti AO, Vingerhoets F, Berney A. General Hospital Psychiatry.  2015 Sep-Oct;37(5):448-55 (IF :2.9)
  18. Interobserver agreement and validity of bedside “positive signs” for functional witness, sensory and gait disorders in conversion disorder: a pilot study. Daum C, Gheorghita F, Spatola M, Stojanova V, Medlin F, Vingerhoets F, Berney A, Gholam-Rezaee M, Maccaferri GE, Hubschmid M, Aybek S. Journal Neurology Neurosurgery& Psychiatry 2015 Apr;86(4) :425-30 (IF :6.8)
  19. The neural correlates of recall of life events in Conversion Disorder. Aybek S, Nicholson T, Zelaya F, O’Daly O, Craig T, David A, Kanaan R. JAMA Psychiatry. 2014. Jan 1;71(1):52-60(IF :13.2)
  20. A structural MRI study of motor conversion disorder: evidence of reduction in thalamic volume. Nicholson T°, Aybek S°, Kempton M, Daly E, Murphy D, David A, Kanaan R. Journal of Neurology Neurosurgery and Psychiatry. 2014 Feb;85(2):227-9  (IF: 6.8) °co-first authors.
  21. Neuropsychological function and memory suppression in conversion disorder. Brown L, Nicholson T, Aybek S, Kanaan R, David A. Journal of Neuropsychology 2014 Sep;8(2):171-85 (IF:3.8)
  22. The value of “positive” clinical signs for weakness, sensory and gait disorders in Conversion Disorder: a systematic and narrative review. Daum C, Hubschmid M, Aybek S. Journal Neurology Neurosurgery& Psychiatry. 2014 Feb;85(2)180-90 (IF :6.8)
  23. Grey matter changes in Conversion Disorders. Aybek S°, Nichoslon T°, Draganski B, David A, Kanaan R. Journal Neurology Neurosurgery& Psychiatry. 2014 Feb;85(2):236-8. (IF :6.8) °co-first authors.
  24. Validity of the “Drift without pronation” sign in Conversion Disorder. Daum C, Aybek S. BMC Neurology 2013. Apr 1;13:31.  (IF: 2.5)
  25. Early intervention for Conversion Disorder: neurologists and psychiatrists working together. Aybek S, Hubschmid M, Mossinger C, Berney A, Vingerhoets F. Acta Neuropsychiatrica 2012. 25, Issue 1;52-56 (IF: 0.6)
  26. Fractal temporal organization of motricity is altered in major depression. Aybek S, Ionescu A, Chocron O, Aminian K, Berney A, Vingerhoets F. Psychiatry Research 2012. Dec30;200(2-3):288-93 (IF: 3.2)
  27. Hippocampal atrophy predicts conversion to dementia after STN-DBS in Parkinson’s disease. Aybek S, Lazeyras F, Gronchi-Perrin A, Burkhard P, Villemure J-G, Vingerhoets F. Parkinsonism and Related Disorders. 2009 Aug;15(7):521-4 (IF :3.9)
  28. Asymmetric POSTS associated with ipsilateral EEG abnormalities. Aybek S, Maeder-Ingvar M, Despland P.A, Rossetti A.O. Clinical. Neurophysiology/Neurophysiologie Clinique, 2009, 39; 117-21 (IF :2.5)
  29. Positive occipital sharp transients of sleep (POSTS): A reappraisal. Rey V, Aybek S, Maeder-Ingvar M, Rossetti A. Clinical Neurophysiology, 2009, 120:472-5 (IF :2.8)
  30. Long-term cognitive profile and incidence of dementia after STN-DBS in Parkinson’s disease. Aybek S, Gronchi A, Berney A, Catalano S, Villemure J Burkhard P, Vingerhoets F. Movement Disorders, 2007 May 15;22(7):974-81 (IF: 5.6)
  31. Emotional Behavior in acute stroke: the Lausanne emotion in stroke study. Aybek S, Carota A, Ghika-Schmid F, Berney A, Melle GV, Guex P, Bogousslavsky J. Cogn Behav Neurol. 2005 Mar;18(1):37-44 (IF :1.2)
  32. A prospective study of predictors of poststroke depression. Carota A, Berney A, Aybek S, Iaria G, Staub F, Ghika-Schmid F, Annable L, Guex P, Bogousslavsky J.  Neurology, 2005 Feb 8;64(3):428-33 (IF: 8.2)