Parkinson's disease does not alter automatic visual-motor coupling in postural control

Caio Ferraz Cruz, Maria Elisa Pimentel Piemonte, Líria Akie Okai-Nobrega, Erika Okamoto, Ana Claudia de Souza Fortaleza, Martina Mancini, Fay Horak, José Angelo Barela

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

This study examined the coupling between visual information and body sway in patients with Parkinson's disease (PD) compared with healthy controls. Postural control performance was compared between 14 patients with PD (age: 69.6 ± 8.8 years - stages 1–3 of the Hoehn and Yahr scale) and 14 healthy control participants (age: 68.6 ± 3.0 years). Participants stood upright in a moving room that remained motionless or continuously oscillated in the anterior-posterior direction. Ten trials were performed in the following conditions: no movement of the room (1 trial) and with the room moving at frequencies of 0.1, 0.17, and 0.5 Hz (3 trials each frequency). Body sway and moving room displacement were recorded. The results indicated that patients with PD displayed larger body sway magnitude in the stationary room condition. Body sway of patients with PD was induced by visual manipulation in all three visual stimulus frequencies, but body sway of patients with PD was less coherent compared to that of the control participants. However, no difference was observed in the visual-body sway coupling structure. These results indicate that patients with PD can unconsciously couple body sway to visual information in order to control postural sway in a similar manner to healthy participants with intact visual-motor coupling for posture control. However, this coupling is marked by greater variability, indicating that people with PD have a motor system with greater inherent noise leading to a more varied behavior.

Original languageEnglish (US)
Pages (from-to)47-52
Number of pages6
JournalNeuroscience Letters
Volume686
DOIs
StatePublished - Nov 1 2018

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Parkinson Disease
Healthy Volunteers
Posture
Noise

Keywords

  • Parkinson's disease
  • Posture
  • Sensorimotor coupling
  • Vision

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Cruz, C. F., Piemonte, M. E. P., Okai-Nobrega, L. A., Okamoto, E., Fortaleza, A. C. D. S., Mancini, M., ... Barela, J. A. (2018). Parkinson's disease does not alter automatic visual-motor coupling in postural control. Neuroscience Letters, 686, 47-52. https://doi.org/10.1016/j.neulet.2018.08.050

Parkinson's disease does not alter automatic visual-motor coupling in postural control. / Cruz, Caio Ferraz; Piemonte, Maria Elisa Pimentel; Okai-Nobrega, Líria Akie; Okamoto, Erika; Fortaleza, Ana Claudia de Souza; Mancini, Martina; Horak, Fay; Barela, José Angelo.

In: Neuroscience Letters, Vol. 686, 01.11.2018, p. 47-52.

Research output: Contribution to journalArticle

Cruz, CF, Piemonte, MEP, Okai-Nobrega, LA, Okamoto, E, Fortaleza, ACDS, Mancini, M, Horak, F & Barela, JA 2018, 'Parkinson's disease does not alter automatic visual-motor coupling in postural control', Neuroscience Letters, vol. 686, pp. 47-52. https://doi.org/10.1016/j.neulet.2018.08.050
Cruz, Caio Ferraz ; Piemonte, Maria Elisa Pimentel ; Okai-Nobrega, Líria Akie ; Okamoto, Erika ; Fortaleza, Ana Claudia de Souza ; Mancini, Martina ; Horak, Fay ; Barela, José Angelo. / Parkinson's disease does not alter automatic visual-motor coupling in postural control. In: Neuroscience Letters. 2018 ; Vol. 686. pp. 47-52.
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