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  • Title: Changes in horizontal oculomotor behaviour coincide with a shift in visual motion perception.
    Author: Thilo KV, Guerraz M, Bronstein AM, Gresty MA.
    Journal: Neuroreport; 2000 Jun 26; 11(9):1987-90. PubMed ID: 10884057.
    Abstract:
    During full-field rotation of the visual field, subjects commonly experience an initial perception of object-motion which 'switches' to a perception of self-motion. We studied the characteristics of the horizontal optokinetic nystagmus responses evoked by a moving visual stimulus in these two perceptual states over a range of stimulus velocities. During self-motion perception mean eye position was found to shift more in the direction of the newly appearing stimulus elements with a slight reduction in slow phase gain in comparison to the nystagmus evoked during object-motion perception. The results may reflect a modified strategy of spatial attention with increased emphasis on anticipatory eye movements during visually induced self-motion perception.
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