Which CTSIB condition removes visual input while testing balance on a stable surface?

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Multiple Choice

Which CTSIB condition removes visual input while testing balance on a stable surface?

Explanation:
CTSIB uses variations of vision and surface to see how balance relies on vision, somatosensation, and vestibular input. Removing visual input while the surface is stable means you keep a firm surface and eliminate sight, so balance must rely on vestibular and proprioceptive cues without visual feedback. That's achieved by having the person stand with eyes closed on a firm surface. The other conditions either keep vision, or introduce a foam surface that disrupts somatosensory input, or both, so they don’t match the scenario of removing vision on a stable surface.

CTSIB uses variations of vision and surface to see how balance relies on vision, somatosensation, and vestibular input. Removing visual input while the surface is stable means you keep a firm surface and eliminate sight, so balance must rely on vestibular and proprioceptive cues without visual feedback. That's achieved by having the person stand with eyes closed on a firm surface. The other conditions either keep vision, or introduce a foam surface that disrupts somatosensory input, or both, so they don’t match the scenario of removing vision on a stable surface.

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