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. 1980;36(3):143-51.
doi: 10.1007/BF00365768.

A non-linear model for visual-vestibular interaction during body rotation in man

R Schmid, A Buizza, D Zambarbieri

A non-linear model for visual-vestibular interaction during body rotation in man

R Schmid et al. Biol Cybern. 1980.

Abstract

A mathematical model for visual-vestibular interaction during body rotation in an illuminated visual surround is obtained by combining a previous model of the optokinetic reflex (OKR) with a simplified model of the vestibulo-ocular reflex (VOR). OKR is activated by the slip of the image of the external world on the retina, and represents a negative feedback loop around VOR. For large retinal slip velocities OKR behaves as a basically non-linear system. The validity of the model is proved via computer simulation by comparing predicted responses with the experimental results obtained in man by Koenig et al. (1978) in different situations of visual-vestibular interaction.

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