Dual-tasking postural control in patients with right brain damage

Federica Rastelli, Paolo Bartolomeo, Clémence Bourlon, Laurent Lehenaff, Cécile Batifoulier, Aurélie Bordier, Aurélia Chatenet, Eric Desailly, Christian Fouchard, Muriel Marsal, Marianne Martinez, Anaïs Thierry, Christophe Duret

Risultato della ricerca: Contributo in rivistaArticolo in rivista

11 Citazioni (Scopus)

Abstract

The control of dual-tasking effects is a daily challenge in stroke neurorehabilitation. It maybe one of the reasons why there is poor functional prognosis after a stroke in the right hemisphere, which plays a dominant role in posture control. The purpose of this study was to explore cognitive motor interference in right brain-lesioned and healthy subjects maintaining a standing position while performing three different tasks: a control task, a simple attentional task and a complex attentional task. We measured the sway area of the subjects on a force platform, including the center of pressure and its displacements. Results showed that stroke patients presented a reduced postural sway compared to healthy subjects, who were able to maintain their posture while performing a concomitant attentional task in the same dual-tasking conditions. Moreover, in both groups, the postural sway decreased with the increase in attentional load from cognitive tasks. We also noticed that the stability of stroke patients in dual-tasking conditions increased together with the weight-bearing rightward deviation, especially when the attentional load of the cognitive tasks and lower limb motor impairments were high. These results suggest that stroke patients and healthy subjects adopt a similar postural regulation pattern aimed at maintaining stability in dual-tasking conditions involving a static standing position and different attention-related cognitive tasks. Our results indicate that attention processes might facilitate static postural control.
Lingua originaleEnglish
pagine (da-a)N/A-N/A
RivistaGAIT & POSTURE
DOI
Stato di pubblicazionePubblicato - 2013

Keywords

  • Attentional tasks
  • Dual-tasking
  • Postural control
  • Standing
  • Stroke

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