Identifying the limits of peripheral visual processing in 9-month-old infants

Capparini, Chiara and To, Michelle and Reid, Vincent (2022) Identifying the limits of peripheral visual processing in 9-month-old infants. Developmental Psychobiology, 64 (4): e22274. ISSN 0012-1630

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Most fundamental aspects of information processing in infancy have been primarily investigated using simplified images centrally presented on computer displays. This approach lacks ecological validity as in reality the majority of visual information is presented across the visual field, over a range of eccentricities. Limited studies are present, however, about the extent and the characteristics of infant peripheral vision after 7 months of age. The present work investigates the limits of infant (9-month-olds) and adult visual fields using a detection task. Gabor patches were presented at one of six eccentricities per hemifield, from 35° up to 60° in the left and right mid-peripheral visual fields. Detection rates at different eccentricities were measured from video recordings (infant sample) or key press responses (adult sample). Infant performance declined below chance level beyond 50°, whereas adults performed at ceiling level across all eccentricities. The performance of 9-month-olds was unequal even within 50°, suggesting regions of differential sensitivity to low-level visual information in the infant's periphery. These findings are key to understanding the limits of visual fields in the infant and, in turn, will inform the design of future infant studies.

Item Type:
Journal Article
Journal or Publication Title:
Developmental Psychobiology
Uncontrolled Keywords:
?? behavioral neurosciencedevelopmental neurosciencedevelopmental and educational psychologydevelopmental biology ??
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Deposited On:
20 Apr 2022 14:35
Last Modified:
15 Jul 2024 22:26