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In cognitive psychology, fast mapping is a mental process whereby a new concept can be learned (or a new hypothesis formed) based only on a single exposure to a given unit of information. Fast mapping is particularly important during language acquisition in young children, and serves (at least in part) to explain the prodigious rate at which children gain vocabulary.
Fast mapping derives its power from the formation of tentative working hypotheses. For example, in a group of mostly familiar items with one novel item and a novel word, an individual will quickly associate the new word with the novel item. Over time the word's approximate meaning becomes more refined as it is seen in other contexts.
- Carey, S. & Bartlett, E. (1978). Acquiring a single new word. Proceedings of the Stanford Child Language Conference, 15, 17-29. (Republished in Papers and Reports on Child Language Development 15, 17-29.)
- Harvard presentation on fast mapping and noun acquisition
- Fast Mapping and Vocabulary Expansion
- Paper on fast mapping in noun acquisition by dogs, published in Science magazine
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