Publicação: Age-related changes in postural control sensory reweighting
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Elsevier B.V.
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Resumo
The aim of this study was to investigate the adaptive process in the coupling between visual information and body sway in children postural control. Twenty-seven children from 4-, 8- and 12-year-olds and ten adults stood upright inside of a moving room. In the first 2 min, the room was moved continuously at frequency of 0.2 Hz, velocity of 0.6 cm/s and amplitude of 0.5 cm. In the minute subsequent the room was moved with velocity of 3.5 and amplitude of 3.2 and in the last 2 min with velocity of 0.6cm/s and amplitude of 0.5 cm. Gain, phase, SFSA and transient gain were used to examine the relationship between sensory information and body sway. The results showed that children and adults were capable to adapt to the changes of visual stimulus, downweighting the visual information influences when the room's amplitude/velocity increased. However, the young children did not show calibrated response to the 12-year-old children and adults level, being more influenced by the visual stimulus. (C) 2009 Elsevier B.V. All rights reserved.
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Adaptation, Posture, Development, Children, Moving room
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Inglês
Como citar
Neuroscience Letters. Clare: Elsevier B.V., v. 467, n. 3, p. 225-229, 2009.
