Abstract
HUMAN subjects can achieve an accuracy in a vernier alignment task of a few seconds of arc visual angle in optimal conditions1–3. The inter-cone spacing in the central fovea is several times this magnitude4, so this performance must be achieved through some spatial information processing in the visual system.
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FINDLAY, J. Feature Detectors and Vernier Acuity. Nature 241, 135–137 (1973). https://doi.org/10.1038/241135b0
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DOI: https://doi.org/10.1038/241135b0
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