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Differential effects of vision upon the accuracy and precision of vestibular‐evoked balance responses

机译:视觉对前庭诱发平衡反应准确性和精密度的不同影响

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Key points class="unordered" style="list-style-type:disc" id="tjp12920-list-0001">Effective balance control requires the transformation of vestibular signals from head‐ to foot‐centred coordinates in order to move the body in an appropriate direction.This transformation process has previously been studied by analysing the directional accuracy of the averaged sway response to multiple electrical vestibular stimuli (EVS).Here we studied trial‐by‐trial variability of EVS responses to measure any changes in directional precision which may be masked by the averaging process.We found that vision increased directional variability without influencing the mean sway direction, demonstrating that response accuracy and precision are dissociable.These results emphasise the importance of single trial analysis in determining the efficacy of vestibular control of balance.
机译:关键点 class =“ unordered” style =“ list-style-type:disc” id =“ tjp12920-list-0001”> <!-list-behavior = unordered prefix-word = mark-type = disc max- label-size = 0-> 有效的平衡控制要求将前庭信号从头向坐标转换为以脚为中心的坐标,以使身体向适当的方向移动。 此变换过程具有 在这里,我们研究了EVS响应的逐次试验变异性,以测量可能会改变方向精度的任何变化。 我们发现视觉在不影响平均摇摆方向的情况下增加了方向可变性,表明响应精度和精度是不可分割的。 这些结果强调了确定前庭平衡控制效果的单一试验分析。

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