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December 1974

Vestibular Habituation: Interaction of Visual and Vestibular Stimuli

Author Affiliations

From the Department of Otorhinolaryngology, University of Basel, Switzerland (Dr. Pfaltz), and the Department of Otorhinolaryngology, Nijgata University, Japan (Dr. Kato). Dr. Kato is a temporary Research Fellow at the Department of Otorhinolaryngology, Kantonsspital Basel, sponsored by the Schweiz. Nationalfonds.

Arch Otolaryngol. 1974;100(6):444-448. doi:10.1001/archotol.1974.00780040458007

Unidirectional optokinetic training modifies the response pattern of bidirectional vestibular stimuli (angular acceleration), resulting in an initial response increase, followed by a progressive response decline, affecting only nystagmus amplitude and slow phase velocity, whereas frequency remains constant.

Optokinetic training obviously has a facilitating effect on vestibular habituation. This facilitation mechanism of repeated visual stimulation becomes most evident when low-intensity vestibular stimulation is used. There is a marked difference between the habituating effect of high- and low-intensity stimulation, because repetitive application of weak vestibular stimuli does not succeed in inducing response decline unless it is preceded by intensive optokinetic training.

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