Shabtai Barash

This paper identifies a scotopic preferred-processing pathway in primates that relocates the scotopic center based on light intensity and perceptual uncertainty.

The paper examines individual differences in gaze upshift when monkeys are exposed to dark backgrounds, finding that prior training in light or dark conditions significantly affects the magnitude of the response.

The paper shows that monkeys fixate small targets in scotopic vision by directing the fovea above the target, aligning the image with the locus of maximal rod density rather than the fovea.