Incongruence in Number-luminance Congruency Effects

Overview

Journal Atten Percept Psychophys

Publisher Springer

Specialties Psychiatry
Psychology

Date 2011 Jan 25

PMID 21258924

Citations 5

Authors

Titia Gebuis

Maarten J van der Smagt

Affiliations

Soon will be listed here.

Abstract

Congruency tasks have provided support for an amodal magnitude system for magnitudes that have a "spatial" character, but conflicting results have been obtained for magnitudes that do not (e.g., luminance). In this study, we extricated the factors that underlie these number-luminance congruency effects and tested alternative explanations: (unsigned) luminance contrast and saliency. When luminance had to be compared under specific task conditions, we revealed, for the first time, a true influence of number on luminance judgments: Darker stimuli were consistently associated with numerically larger stimuli. However, when number had to be compared, luminance contrast, not luminance, influenced number judgments. Apparently, associations exist between number and luminance, as well as luminance contrast, of which the latter is probably stronger. Therefore, similar tasks, comprising exactly the same stimuli, can lead to distinct interference effects.

Citing Articles

Timbral brightness perception investigated through multimodal interference.

Saitis C, Wallmark Z Atten Percept Psychophys. 2024; 86(6):1835-1845.

PMID: 39090510 PMC: 11410849. DOI: 10.3758/s13414-024-02934-2.

The association of brightness with number/duration in human newborns.

Bonn C, Netskou M, Streri A, de Hevia M PLoS One. 2019; 14(10):e0223192.

PMID: 31574110 PMC: 6773210. DOI: 10.1371/journal.pone.0223192.

Are numbers, size and brightness equally efficient in orienting visual attention? Evidence from an eye-tracking study.

Bulf H, Macchi Cassia V, de Hevia M PLoS One. 2014; 9(6):e99499.

PMID: 24932753 PMC: 4059659. DOI: 10.1371/journal.pone.0099499.

Not all continuous dimensions map equally: number-brightness mapping in human infants.

de Hevia M, Spelke E PLoS One. 2013; 8(11):e81241.

PMID: 24278402 PMC: 3835677. DOI: 10.1371/journal.pone.0081241.

Cross-dimensional mapping of number, length and brightness by preschool children.

de Hevia M, Vanderslice M, Spelke E PLoS One. 2012; 7(4):e35530.

PMID: 22536399 PMC: 3334896. DOI: 10.1371/journal.pone.0035530.

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