title: Of adding oranges and apples: how non-abstract representations may foster abstract numerical cognition.
authors.affiliation: Department of Psychosocial Science, University of Bergen Bergen, Norway.
authors.forename: Andrea
authors.initials: A
authors.lastname: Bender
authors.affiliation: Department of Psychosocial Science, University of Bergen Bergen, Norway.
authors.forename: Sieghard
authors.initials: S
authors.lastname: Beller
keywords: abstract mathematical thinking; culture; distributed cognition; number systems; numerical cognition