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Neuroreport. 2008 Mar 26;19(5):565-8. doi: 10.1097/WNR.0b013e3282f9427e.

Are otolithic inputs interpreted better in figure skaters?

Author information

1
EA 3917 Attention, Orientation et Fonctions Exécutives, Universite of Caen, 14032 Caen Cedex, France.

Abstract

The aim of this study was to investigate whether figure skaters, as individuals who experience intense vestibular stimulation, presented modification of the otolith-ocular reflex. The reflexes of 12 figure skaters were assessed using off vertical axis rotation (OVAR). Horizontal otolith-ocular reflex during OVAR is characterized by two parameters: the eye velocity horizontal modulation, assumed to compensate for perceived lateral linear translation, and the bias, assumed to compensate for the perceived rotation. We observed that skaters presented smaller amplitude of modulation and truly compensatory bias compared with control participants. Thus, the otolithic signal during OVAR seems to be interpreted more as rotation and less as translation or inclination in figure skaters.

PMID:
18388739
DOI:
10.1097/WNR.0b013e3282f9427e
[Indexed for MEDLINE]

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