The Visual - Postural Integration Test - The New Method |Biomedgrid

Abnormal perception of moving surroundings has a destabilizing influence of postural reflexes. The cause is the mismatch of information from the visual, vestibular and somatosensory receptors. [1] For correct form of the postural reflexes consensus of afferent information from otholites, canals and proprioception are essential. Postural body sway in saccadic, smooth pursuit and optokinetic tests is a result of increasing vestibular and somatosensoric detection level during induced eye movements. [2] The modeling centers for afferent and efferent neuromuscular control are located mainly in mesencephalic and ventricular formation of pontis structures of central nervous system. Afferent information are transmitted to the parietal and occipital lobes. Efferent informations are going down to mesencephalic centers and reticular formation of the medulla oblongata. This multineuronal mechanism is integrated with cerebellum. [3] Horizontal or vertical rotation of the surroundings, for example horizontal optokinetic visual induction, causes body deviation in direction to the slow phase of optokinetic induction. In the cases of otolith - canal disturbances visual - postural integration test is useful for searching subclinical balance disorders.