title: Language statistics explain the spatial-numerical association of response codes.
abstract: The spatial-numerical association of response codes (SNARC) has shown that parity judgments with participants' left hands yield faster response times (RTs) for smaller numbers than for larger numbers, with the opposite result for right-hand responses. These findings have been explained by participants perceptually simulating magnitude on a mental number line. In three RT experiments, we showed that the SNARC effect can also be explained by language statistics. Participants made parity judgments of number words (Exp. 1) and Arabic numerals (Exp. 2). Linguistic frequencies of the number words and numbers mirrored the SNARC effect, explaining aspects of processing that a perceptual simulation account could not. In Experiment 3, we investigated whether high- and low-frequency nonnumerical words would also elicit a SNARC-like effect. Again, RTs were faster for high-frequency words for left-hand responses, with the opposite result for right-hand responses. These results demonstrate that what has only been attributed to perceptual simulation should also be attributed to language statistics.
authors.affiliation: Tilburg University, Tilburg, The Netherlands.
authors.forename: Sterling
authors.initials: S
authors.lastname: Hutchinson
authors.forename: Max M
authors.initials: MM
authors.lastname: Louwerse
mesh_terms: D000328:Adult; D007839:Functional Laterality / Q000502:physiology*; D006801:Humans; D007802:Language; D008037:Linguistics / Q000706:statistics & numerical data; D055641:Mathematical Concepts; D011597:Psychomotor Performance / Q000502:physiology*; D055815:Young Adult
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