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Halberda, Justin; Feigenson, Lisa – Developmental Psychology, 2008
Behavioral, neuropsychological, and brain imaging research points to a dedicated system for processing number that is shared across development and across species. This foundational Approximate Number System (ANS) operates over multiple modalities, forming representations of the number of objects, sounds, or events in a scene. This system is…
Descriptors: Number Systems, Neurology, Child Development, Children
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Davies, Elizabeth P.; Sigelman, Carol K.; Bridges, Lisa J.; Rinehart, Cheryl S.; Sorongon, Alberto G. – Applied Developmental Science, 2004
In an attempt to devise a methodology for characterizing children's intuitive theories of drug action, 217 children in Grades 1 to 6 were interviewed about how two substances, alcohol and cocaine, cause behavioral changes in their users. Measures tapped both structure (Piagetian complexity of causal reasoning, coherence, and construction of a…
Descriptors: Cocaine, Drug Abuse, Interviews, Childhood Attitudes