2006
DOI: 10.1007/s00221-006-0382-1
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Effects of distance and gaze position on postural stability in young and old subjects

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citations
Cited by 91 publications
(110 citation statements)
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References 32 publications
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“…Recent research from our team [8] demonstrated that postural stability in quite stance in healthy adults or elderly decreased as the viewing distance increased; our findings although in line with prior reports from the group of Brandt [2] demonstrated that the distance effect is also related to vergence oculomotor signals per se and not only to retinal slip. The effect of distance on postural stability in children, to our knowledge has never been examined; consequently, the first goal of the present study was to explore the quality of postural stabilization in dyslexics and in non-dyslexic children during fixation at near and at far distance (Exp 1).…”
supporting
confidence: 94%
“…Recent research from our team [8] demonstrated that postural stability in quite stance in healthy adults or elderly decreased as the viewing distance increased; our findings although in line with prior reports from the group of Brandt [2] demonstrated that the distance effect is also related to vergence oculomotor signals per se and not only to retinal slip. The effect of distance on postural stability in children, to our knowledge has never been examined; consequently, the first goal of the present study was to explore the quality of postural stabilization in dyslexics and in non-dyslexic children during fixation at near and at far distance (Exp 1).…”
supporting
confidence: 94%
“…These two types of measurements permitted us to compare the present results with those of previous studies [14,18,20] which have commonly used only one or the other of these measurements. The subjects stood on a force plate (OR6-WP-1000; AMTI, Watertown, Mass., USA) with the feet approximately 10 cm apart.…”
Section: Methodsmentioning
confidence: 46%
“…14 ]. An alternative view is that in such dual tasks, the postural control system is able to better use visual cues from the environment given by the text and nearby targets, possibly due to retinal slip or proprioceptive signal from extraocular muscles [16][17][18] .…”
Section: Introductionmentioning
confidence: 99%
“…2 Indeed, the efferent and afferent signals related to the vergence angle are stronger at near distances as a consequence of the relative increase in ocular convergence required to fixate a proximal target as opposed to a distal one. In their study, convergent prisms were used to make the eyes converge while the subjects were fixating at far distances.…”
Section: Discussionmentioning
confidence: 99%
“…This stabilizing effect of proximity is present in children 3 and in the elderly. 2 Bucci et al showed that children with a vergence deficit who suffered from vertigo still presented this stabilizing effect of proximity with respect to postural control even though they were less stable than control children for conditions at near and far distances. 4 Strabismus is a pathology that affects 3% to 4% of children during the first six years of life.…”
Section: Discussionmentioning
confidence: 99%