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首页> 外文期刊>Gait & posture >Slow changing postural cues cancel visual field dependence on self-tilt detection
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Slow changing postural cues cancel visual field dependence on self-tilt detection

机译：缓慢变化的姿势提示消除了对自倾斜检测的视野依赖性

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摘要

Interindividual differences influence the multisensory integration process involved in spatial perception. Here, we assessed the effect of visual field dependence on self-tilt detection relative to upright, as a function of static vs. slow changing visual or postural cues. To that aim, we manipulated slow rotations (i.e., 0.05 degrees s(-1)) of the body and/or the visual scene in pitch. Participants had to indicate whether they felt being tilted forward at successive angles. Results show that thresholds for self-tilt detection substantially differed between visual field dependent/independent subjects, when only the visual scene was rotated. This difference was no longer present when the body was actually rotated, whatever the visual scene condition (i.e., absent, static or rotated relative to the observer). These results suggest that the cancellation of visual field dependence by dynamic postural cues may rely on a multisensory reweighting process, where slow changing vestibular/somatosensory inputs may prevail over visual inputs. (C) 2014 Elsevier B.V. All rights reserved.
机译：个体差异会影响空间感知中涉及的多感官整合过程。在这里，我们评估了视野依赖于相对于直立的自倾斜检测的效果，这是静态或缓慢变化的视觉或姿势提示的函数。为了达到这个目的，我们操纵了人体和/或俯仰的视觉场景的慢速旋转（即0.05度s（-1））。参与者必须指出他们是否感到自己以连续的角度向前倾斜。结果表明，当仅旋转视觉场景时，视场依赖/不视对象之间自我倾斜检测的阈值存在很大差异。不论视觉场景条件如何（即相对于观察者不存在，静止或旋转），实际旋转身体时，都不再存在这种差异。这些结果表明，通过动态姿势提示消除视场依赖性可能依赖于多感觉重加权过程，其中缓慢变化的前庭/体感输入可能优于视觉输入。 （C）2014 Elsevier B.V.保留所有权利。

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