Which sign suggests a vestibular-proprioception deficit?

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Vestibular-proprioceptive integration underpins how we sense head movement and body position, and how we use that information to coordinate both sides of the body. When this integration is off, tasks that require using both sides together or crossing the midline become challenging. Poor bilateral coordination is the clearest sign because it directly reflects difficulty coordinating actions across both sides using combined vestibular input and body awareness.

Difficulty sequencing actions points more to motor planning or praxis than to the integration of vestibular and proprioceptive information. Decreased equilibrium reactions indicate vestibular involvement, but by themselves they don’t necessarily reveal how proprioceptive information is being integrated with vestibular input. Poor posture is nonspecific and can arise from various factors, not necessarily a vestibular-proprioceptive processing deficit.