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Hemker, Laura; Granrud, Carl E.; Yonas, Albert; Kavsek, Michael – Infancy, 2010
Two preferential-reaching experiments explored 5- and 7-month-olds' sensitivity to pictorial depth cues. In the first experiment, infants viewed a display in which texture gradients, linear perspective of the surface contours, and relative height in the visual field provided information that two objects were at different distances. Five- and…
Descriptors: Cues, Infants, Pictorial Stimuli, Visual Perception
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Gava, Lucia; Valenza, Eloisa; Turati, Chiara – Child Development, 2009
Five experiments examined 79 newborns' ability to discriminate and categorize a spatial relation, defined by the left-right spatial position of a blinking object-target with respect to a vertical landmark-bar. Three-day-old infants discriminated the up versus low position of an object located on the same side of the landmark-bar (Experiment 1) and…
Descriptors: Neonates, Spatial Ability, Visual Stimuli, Visual Discrimination
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Swingler, Margaret M.; Sweet, Monica A.; Carver, Leslie J. – Infancy, 2007
Developmental studies of face processing have revealed age-related changes in how infants allocate neurophysiological resources to the face of a caregiver and an unfamiliar adult. We hypothesize that developmental changes in how infants interact with their caregiver are related to the changes in brain response. We studied 6-month-olds because this…
Descriptors: Mothers, Caregivers, Infants, Visual Stimuli
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Haaf, Robert A.; Brown, Cheryl J. – Journal of Experimental Child Psychology, 1976
Infants at two age levels were shown six patterns which represented three levels of stimulus complexity and two types of organization, facial and nonfacial. Results agree with previous studies in suggesting a change between ages 10 and 15 weeks in dimensions which underlie infants' response to facelike patterns. (Author/HS)
Descriptors: Cognitive Processes, Developmental Stages, Infant Behavior, Infants
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Bronson, Gordon W. – Child Development, 1994
Examined the visual scanning patterns of infants ages 6, 10, and 13 weeks who viewed static geometric figures. Measures of fixation dwell-times, saccade lengths, and the choices and sequences of saccadic targets revealed that, although younger infants demonstrated salience-guided scanning behavior, older infants increasingly utilized volitional…
Descriptors: Age Differences, Developmental Stages, Eye Fixations, Individual Power
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Myowa-Yamakoshi, Masako; Tomonaga, Masaki; Tanaka, Masayuki; Matsuzawa, Tetsuro – Developmental Science, 2004
This paper provides evidence for imitative abilities in neonatal chimpanzees ("Pan troglodytes"), our closest relatives. Two chimpanzees were reared from birth by their biological mothers. At less than 7 days of age the chimpanzees could discriminate between, and imitate, human facial gestures (tongue protrusion and mouth opening). By the time…
Descriptors: Imitation, Infant Behavior, Animals, Neonates