Vestibular influence upon head-eye coordination

G. R. Barnes, A. J. Prosser

    Research output: Contribution to journalArticlepeer-review


    The results of this experiment demonstrate that the presence of a concurrent stimulus to the vestibular system can significantly modify the temporal characteristics of head-eye coordination during voluntary head movements. This modification of performance was unlikely to have been due simply to the unfamiliar or disorientating nature of the stimulus. Such an effect might well have been expected to lead to an overall modification of the values of the latency τ1, but not one that would be dependent on the direction of head movement. There is thus a direct interaction between the output of the vestibular system and the mechanism responsible for generating the saccadic component during visual search. It is probable that this interaction takes place at or before the input to the mechanism of saccadic generation, since any mixing of responses beyond this level would give rise to changes in the amplitude characteristics of the eye movement but not in the temporal relationships.
    Original languageEnglish
    Pages (from-to)560-570
    Number of pages10
    JournalAnnals of the New York Academy of Sciences
    Publication statusPublished - 1981


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