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D E McHugh, A T Bahill; Learning to track predictable target waveforms without a time delay.. Invest. Ophthalmol. Vis. Sci. 1985;26(7):932-937.
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Humans can learn to overcome the 150 msec delay of the eye movement system and track predictable targets with no latency. The mean squared error between the target and eye position was used as a measure of the goodness of tracking. For typical subjects, this error decreased from 0.5 deg2 to 0.1 deg2 after 100-200 sec of viewing the target. Professional athletes had much smaller mean squared errors at the beginning of the learning period.
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