Place and summation coding for canonical and non-canonical finger numeral representations

Cognition
Samuel Di LucaMauro Pesenti

Abstract

Fingers can be used to express numerical magnitudes, and cultural habits about the fixed order in which fingers are raised determine which configurations become canonical and which non-canonical. Although both types of configuration carry magnitude information, it has been shown that the canonical ones are recognized faster and directly linked to number semantics. Here we tested whether this difference is a consequence of differences in the qualitative way of processing the two types of configurations. When participants named Arabic digits (Experiment 1) or verbal numerals (Experiment 2) primed by canonical and non-canonical finger configurations, qualitatively different priming patterns were observed for the two types of configurations. Canonical configurations activated a place coding representation, with priming spreading to close smaller and larger magnitudes as a function of the prime-target distance. Conversely, non-canonical configurations activated a summation coding representation priming smaller and equal magnitudes independently of the prime-target distance, and larger targets depending on this distance.

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Citations

May 6, 2014·Acta Psychologica·Zahira Z CohenAvishai Henik
Jan 18, 2014·Cognitive Processing·Mirjam WasnerHans-Christoph Nuerk
Jul 27, 2015·Cognition·Elizabeth A GundersonSusan C Levine
Dec 20, 2013·Experimental Psychology·Mirjam EbersbachLieven Verschaffel
Jul 10, 2014·Zeitschrift für Kinder- und Jugendpsychiatrie und Psychotherapie·Christa StubenrauchKerstin Konrad
Apr 15, 2016·Developmental Science·Robert S Siegler
Oct 27, 2017·Developmental Science·Ursula FischerHeidrun Stoeger
Feb 24, 2018·Psychological Research·Kyle MorrisseyMing Han
Nov 9, 2019·Cognitive Processing·Roberta BarrocasSilvia Pixner
Sep 14, 2019·Journal of Cognition·Elena SixtusMartin H Fischer
Oct 31, 2020·Psychological Research·Sébastien VanstavelSandrine Mejias
Apr 25, 2019·Neuroscience Letters·Firat SoyluNathaniel Shannon

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