Mental Number Representations in 2D Space

Frontiers in Psychology
Elena SixtusKarsten Werner

Abstract

There is evidence both for mental number representations along a horizontal mental number line with larger numbers to the right of smaller numbers (for Western cultures) and a physically grounded, vertical representation where "more is up." Few studies have compared effects in the horizontal and vertical dimension and none so far have combined both dimensions within a single paradigm where numerical magnitude was task-irrelevant and none of the dimensions was primed by a response dimension. We now investigated number representations over both dimensions, building on findings that mental representations of numbers and space co-activate each other. In a Go/No-go experiment, participants were auditorily primed with a relatively small or large number and then visually presented with quasi-randomly distributed distractor symbols and one Arabic target number (in Go trials only). Participants pressed a central button whenever they detected the target number and elsewise refrained from responding. Responses were not more efficient when small numbers were presented to the left and large numbers to the right. However, results indicated that large numbers were associated with upper space more strongly than small numbers. This suggests tha...Continue Reading

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Citations

Mar 15, 2020·Psychological Research·Michele Vicovaro, Mario Dalmaso
Jul 22, 2019·Psychological Research·Felix J GötzAndreas B Eder
Mar 25, 2021·The Quarterly Journal of Experimental Psychology : QJEP·Lauren S AuletStella F Lourenco
May 7, 2021·Journal of Experimental Child Psychology·Sarah M CooneyFiona N Newell
Jul 31, 2021·Psychological Research·Vanja TopićDražen Domijan

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