Models of Visual-Vestibular Interaction in Oculomotor Control: A Review
The crucial role of visual-vestibular interaction in determining motor reactions, motion sensation and motion sickness of onboard personnel of space vehicles has posed a series of problems to which basic and applied physiological and behavioural research has tried to give an answer through an increasing number of studies. Many of them were concerned with oculomotor responses evoked in different conditions of visual-vestibular interaction. There are at least two good reasons for fastening our attention on eye movements. First of all, the goal of oculomotor control can easily be defined in terms of fixation and visual stabilization. A great help can thus follow to interprete how sensory information is processed and in which way the different mechanisms subserving oculomotor control are used to obtain desired responses. Responses that seem not to correspond to the general goal of oculomotor control should be related to misleading interpretation in processing sensory information. The second reason for considering oculomotor responses is that eye movement can easily be measured and quantified.
KeywordsSmooth Pursuit Vestibular Nucleus Efference Copy Vestibular Input Slow Phase Velocity
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