Abstract
WEINBERGER1 poses an interesting conjecture that the retinal image size of an object and its rate of change are the primary data used by the visual system to estimate the “time interval to juncture” (that is, when it will hit you). As one clue that the concept may be correct, I should like to offer the following observation which seems to indicate that at least some retinal measurement of rate is necessary in impact estimation.
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Weinberger, H., Nature, 229, 562 (1971).
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CROFT, T. Failure of Visual Estimation of Motion under Strobe. Nature 231, 397 (1971). https://doi.org/10.1038/231397a0
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DOI: https://doi.org/10.1038/231397a0
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