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Bartolucci, Marco; Smith, Andrew T. – Neuropsychologia, 2011
Practicing a visual task commonly results in improved performance. Often the improvement does not transfer well to a new retinal location, suggesting that it is mediated by changes occurring in early visual cortex, and indeed neuroimaging and neurophysiological studies both demonstrate that perceptual learning is associated with altered activity…
Descriptors: Cognitive Development, Brain Hemisphere Functions, Perceptual Development, Attention

Greenberg, David J.; And Others – Child Development, 1973
To demonstrate a relationship between rate of habituation and complexity levels, 11-week-old infants (N=51) were each given a rate-of-habituation and complexity-level test. Rapid habituators looked longer at complex patterns. Irregular habituators responded randomly to tests or resembled slow habituators in terms of complexity preferred. (ST)
Descriptors: Attention, Cognitive Development, Difficulty Level, Infants

Ladd, Gary W.; Price, Joseph M. – Child Development, 1986
Assesses the degree of difficulty parents attribute to specific socialization tasks; explores the relation between parents' perceived difficulty and children's perceived and actual competence in these two domains; and determines whether the ease or difficulty of these child rearing tasks, as perceived by parents, varies as a function of the…
Descriptors: Child Rearing, Cognitive Development, Difficulty Level, Elementary Education

Jager, Stephan; Wilkening, Friedrich – Journal of Experimental Child Psychology, 2001
Two experiments examined developmental changes in reasoning about intensive quantities--predicting mixture intensity of pairs of liquids with different intensities of red color. Results showed that cognitive averaging in this domain developed late and slowly. Predominating up to 12 years was an extensivity bias, a strong tendency to use rules that…
Descriptors: Addition, Adults, Age Differences, Bias
Miljkovitch, M. – 1979
The purpose of this study is to show that there is a gradual and measurable development in the drawing of space representation concepts. A further purpose is to show that children's drawings of a village (which represent relations among concepts) may be a better measure of their conceptual maturity than their drawings of a man (which represent a…
Descriptors: Abstract Reasoning, Childrens Art, Cognitive Development, Cognitive Tests