Core systems of number. Feigenson, L., Dehaene, S., & Spelke, E. Trends Cogn Sci, 8(7):307-14, 2004.
doi  abstract   bibtex   
What representations underlie the ability to think and reason about number? Whereas certain numerical concepts, such as the real numbers, are only ever represented by a subset of human adults, other numerical abilities are widespread and can be observed in adults, infants and other animal species. We review recent behavioral and neuropsychological evidence that these ontogenetically and phylogenetically shared abilities rest on two core systems for representing number. Performance signatures common across development and across species implicate one system for representing large, approximate numerical magnitudes, and a second system for the precise representation of small numbers of individual objects. These systems account for our basic numerical intuitions, and serve as the foundation for the more sophisticated numerical concepts that are uniquely human.
@Article{Feigenson2004,
  author   = {Lisa Feigenson and Stanislas Dehaene and Elizabeth Spelke},
  journal  = {Trends Cogn Sci},
  title    = {Core systems of number.},
  year     = {2004},
  number   = {7},
  pages    = {307-14},
  volume   = {8},
  abstract = {What representations underlie the ability to think and reason about
	number? Whereas certain numerical concepts, such as the real numbers,
	are only ever represented by a subset of human adults, other numerical
	abilities are widespread and can be observed in adults, infants and
	other animal species. We review recent behavioral and neuropsychological
	evidence that these ontogenetically and phylogenetically shared abilities
	rest on two core systems for representing number. Performance signatures
	common across development and across species implicate one system
	for representing large, approximate numerical magnitudes, and a second
	system for the precise representation of small numbers of individual
	objects. These systems account for our basic numerical intuitions,
	and serve as the foundation for the more sophisticated numerical
	concepts that are uniquely human.},
  doi      = {10.1016/j.tics.2004.05.002},
  keywords = {Animals, Behavior, Child, Child Development, Concept Formation, Humans, Language, Language Development, Mathematics, Neuropsychology, Phylogeny, Systems Theory, 15450507},
}

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