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A constructivist theory of the evolution of cognitive development is proposed. Seven propositions are posed plus supporting evidence. Constructing fundamental physical and logicomathematical conceptual universals underlies the development of cognition in primate phylogeny, ontogeny and history. Nevertheless, diverging onset and offset ages, velocity, extent, sequencing and organization mark the evolution of cognitive development in primate phylogeny. Thus, the evolution is heterochronic, not simply recapitulatory. Converging origins followed by diverging development of primates' conceptual constructions insures species‐specific cognitive specializations. Some specializations (e.g. recursive classifying) evolved in great ape development but not in monkey development; while others (e.g. hierarchically integrated classifying) evolved in human development only. Human enculturation and language (symbolic) rearing fosters quantitative but not qualitative progress in most of chimpanzees’ developing cognition. Heterochronic evolution provided humans with the widest and most synchronic ontogenetic window of opportunity for progressive cognitive development. The descendant cognitive development – humans’ precocial, integrated and extended intellectual constructions – bridges the evolution and history of ideas.
Developmental Science – Wiley
Published: Nov 1, 2000
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