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Large Number Discrimination in 6-Month-Old Infants.
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Xu, Fei; Spelke, Elizabeth S. – Cognition, 2000
Two experiments examined 6-month-olds' ability to discriminate between visual displays of various number of dots varying in size and position, and with controls for other extraneous variables. Findings indicated that infants could discriminate between large sets on the basis of numerosity if they differed by a large ratio (8 versus 16, but not 8…
Descriptors: Discrimination Learning, Habituation, Infant Behavior, Infants
Six-Month-Old Infants' Categorization of Containment Spatial Relations.
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Casasola, 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
What Do Infants Know about Continuous Quantity?
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Gao, Fan; Levine, Susan C.; Huttenlocher, Janellen – Journal of Experimental Child Psychology, 2000
Two experiments investigated infants' sensitivity to amount of continuous quantity and to changes in amount of continuous quantity. Found that 6-month-olds looked significantly longer at a novel quantity than at the familiar quantity. Nine-month-olds looked significantly longer at an impossible event than at a possible event. Findings question…
Descriptors: Age Differences, Cognitive Development, Computation, Discrimination Learning
Developmental Study of Serial Habituation.
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Miller, Dolores J.; And Others – 1975
This study examines serial habituation in a sample of 54 infants aged 2, 3, and 4 months to determine whether age changes are partially a function of different "strategies" rather than simply different rates of habituation. The serial habituation hypothesis proposes that attention and habituation of attention proceed in order of the relative…
Descriptors: Cognitive Processes, Cross Sectional Studies, Dimensional Preference, Discrimination Learning
Infants' Perception of the Audible, Visible, and Bimodal Attributes of Multimodal Syllables.
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Lewkowicz, David J. – Child Development, 2000
Three experiments investigated 4-, 6-, and 8-month-olds' perception of the audible, visible, and combined attributes of bimodally specified syllables. Results suggested that at 4 months, infants attended primarily to the featural information, at 6 months primarily to the asynchrony, and at 8 months to both features independently. (Author/KB)
Descriptors: Age Differences, Attention, Auditory Discrimination, Auditory Perception
Intersensory Redundancy Guides Attentional Selectivity and Perceptual Learning in Infancy.
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Bahrick, Lorraine E.; Lickliter, Robert – Developmental Psychology, 2000
Three experiments assessed the intersensory redundancy hypothesis in early infancy. Findings indicated that habituation to a bimodal rhythm resulted in discrimination of a novel rhythm, whereas habituation to the same rhythm presented unimodally resulted in no evidence of discrimination. Temporal synchrony between the bimodal auditory and visual…
Descriptors: Attention, Discrimination Learning, Habituation, Infant Behavior