Christian Wolf shows that even with unreliable visual information, no auditory motion is integrated to guide smooth pursuit eye movements. This suggests that smooth pursuit eye movements are solely driven by visual motion information and motion information from other senses is disregarded.
"This is a detailed discussion of audiovisual signals in various psychophysics human experimental trials. ... I recommend this book to those having an interest in visual and auditory psychophysics and the audiovisual integration of brain waves." (Joseph J. Grenier, Amazon.com, November, 2015)