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Direct linkHayden, Angela; Bhatt, Ramesh S.; Kangas, Ashley; Zieber, Nicole – Journal of Experimental Psychology: Human Perception and Performance, 2011
Part representation is not only critical to object perception but also plays a key role in a number of basic visual cognition functions, such as figure-ground segregation, allocation of attention, and memory for shapes. Yet, virtually nothing is known about the development of part representation. If parts are fundamental components of object shape…
Descriptors: Infants, Visual Perception, Cognitive Development, Concept Formation
Peer reviewedCasasola, Marianella; Cohen, Leslie B.; Chiarello, Elizabeth – Child Development, 2003
Two experiments examined six-month-olds' ability to form an abstract containment category. Results indicated that, after habituation to object pairs in a containment relation, infants looked reliably longer at an example of an unfamiliar versus familiar containment relation, indicating that they could form a categorical representation of…
Descriptors: Classification, Cognitive Development, Concept Formation, Discrimination Learning
Peer reviewedXu, Fei; Carey, Susan; Welch, Jenny – Cognition, 1999
Adult and 10- and 12-month olds participated in two experiments to determine reliance of infants on object-kind information in solving problems of object individuation. Findings converge with those of object-first hypothesis of developmental course of object individuation. Findings suggest that young infants may represent one concept as criteria…
Descriptors: Age Differences, Cognitive Development, Concept Formation, Habituation
Casasola, Marianella – Child Development, 2005
Two experiments explored how infants learn to form an abstract categorical representation of support (i.e., on) when habituated to few (i.e., 2) or many (i.e., 6) examples of the relation. When habituated to 2 pairs of objects in a support relation, 14-month-olds, but not 10-month-olds, formed the abstract spatial category (i.e., generalized the…
Descriptors: Infants, Novelty (Stimulus Dimension), Classification, Habituation
Peer reviewedBaillargeon, Renee; DeVos, Julie – Child Development, 1991
Observed the reactions of 3.5-month-old infants looking at a carrot that should have but did not appear in a window after passing behind a screen. The results of this and several similar experiments indicated that 3.5-month-old infants are able to represent and reason about hidden objects. (BC)
Descriptors: Age Differences, Cognitive Development, Cognitive Processes, Concept Formation
Peer reviewedPauen, Sabina – Journal of Experimental Child Psychology, 2000
Two experiments investigated whether preverbal infants distinguish between humans and mammals. Study 1 found that 7-, 9-, and 11-month-olds distinguished humans from mammals in an object-examination task. Study 2 found that 7-month-olds but not 5-month-olds showed evidence for category discrimination with the 2-dimensional color photos of toy…
Descriptors: Age Differences, Classification, Cognitive Development, Comparative Analysis
Peer reviewedJohnson, Scott P.; Aslin, Richard N. – Developmental Psychology, 1995
Examined perception of object unity in partial occlusion in 72 infants. Recorded how long subjects looked at a display of complete and incomplete rods. In test and control conditions, infants looked longer at broken rods than at complete rods, suggesting that infants' cognitive, visual, or attentional skills may be insufficient to support…
Descriptors: Attention, Attention Span, Cognitive Development, Cognitive Processes
