Representing exact number visually using mental abacus.

  title={Representing exact number visually using mental abacus.},
  author={Michael C. Frank and David Barner},
  journal={Journal of experimental psychology. General},
  volume={141 1},
Mental abacus (MA) is a system for performing rapid and precise arithmetic by manipulating a mental representation of an abacus, a physical calculation device. Previous work has speculated that MA is based on visual imagery, suggesting that it might be a method of representing exact number nonlinguistically, but given the limitations on visual working memory, it is unknown how MA structures could be stored. We investigated the structure of the representations underlying MA in a group of… CONTINUE READING
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