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This investigation measures reaction time to light flashes near the fovea, suggesting variability in visual processing based on location.
Reaction time (RT) to scotopic flashes of light presented at various locations along the horizontal meridian near the fovea was measured. RT progressively decreased from a maximum near the fovea to a near‐asymptotic value at an eccentricity of 12 deg in both the nasal and the temporal retina.
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Wilson et al. (1977) studied this question.
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