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Results for “Distance Perception”

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At least 109 records · Page 6Linked to original sources
PubMed1988

Infants' sensitivity to boundary flow information for depth at an edge.

We investigated infants' sensitivity to a recently discovered kinetic depth cue, boundary flow. 5-month-old infants viewed computer-generated displays in which the relation between the motion of a boundary, indicating an edge, and 2 regions of dots on either side of the boundary, indicating surfaces, provided the only information specifying the order of the 2 surfaces in depth. Infants showed a significant reaching preference for the apparently nearer region of the display. Since previous research has demonstrated that infants reach more frequently for the nearer of 2 surfaces, this result indicates that 5-month-old infants are sensitive to boundary flow information for depth at an edge.

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PubMed1977

Coordination of vision and prehension in young infants.

Infants aged 3, 5, and 7 months were shown solid objects and comparable intangible images of objects both within and beyond possible arm's reach. The infant's emotional reactions and reaching behavior in the presence of the image stimuli were very similar to their responses to the solid objects. The results do not support the reports of previous studies using a similar tactual-visual conflict situation that young infants become emotionally distressed when presented with discordant visual and tactual information. It was concluded that the initation of reaching attempts by young infants is predominantly visually controlled and any tactual-kinesthetic feedback from prehension seems to produce very little modification of young infants' reaching behavior.

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