Development of visual acuity in Rhesus monkeys deprived of patterned light during early infancy

Riesen, Austin H.; Ramsey, R. L.; Wilson, Paul D.

doi:10.3758/bf03342774

Cited by 24 publications

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References 8 publications

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“…The other six Ss used in this study were given'visual acuity tests based on their optokinetic responses to moving striations. The results reported previously (Riesen, Ramsey, & Wilson, 1964) indicated that three Ss (Jot, Gol, and Dit) attained an acuity of 4 min. with 3-6 days of patterned light exposures, and the other three Ss (Ap, Bes, and Flo) attained this level of acuity in 18-29 days.…”

Section: Visual Acuity Thresholdsmentioning

confidence: 68%

Visual development in rhesus monkeys neonatally deprived of patterned light.

Wilson¹,

Riesen²

1966

Journal of Comparative and Physiological Psychology

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12 rhesus monkeys, deprived of pattern vision from the day of birth to 20 or 60 days of age, were tested daily for various untrained visual responses and were trained on form, striation, and brightness discriminations. The 20and 60-day-old visually deprived Ss were similar to newborn monkeys in rate of learning visual discriminations and in untrained visual behaviors. Acuity, brightness difference thresholds, and generalization of learned discriminations changed as Ss gained experience. Ocular tracking of patterns, visual placing, and visual cliff avoidance developed only after hours or days in patterned light. Savings in hours required relative to the normal developmental time course gave evidence for maturational as well as experiential contributions.

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Section: Visual Acuity Thresholdsmentioning

confidence: 68%