Stereomobilization improves upon standard stereopsis measurements by utilizing temporal effects in the assessment of depth perception. Studies using optometry students have been performed to establish adult norms (Thompson and Yudcovitch, 1996 and Jahner and Moffit, 1998) and norms for jet fighter pilots (Brotherson, Rhoton, and Tipton, 1997). To create standard values for a younger population, 21 middle school students ages 10 to 12 were studied using the same protocol as the adult studies. The stereomobilization values for a disparity of 450" were not significantly different from these adult studies, but were superior in performance to the pilots studied. At 125 ms and faster, stereomobility was still operating above levels of chance or guessing.
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