Numerical and physical magnitudes are mapped into time

Shachar Ben-Meir, Dana Ganor-Stern, Joseph Tzelgov

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


In two experiments we investigated mapping of numerical and physical magnitudes with temporal order. Pairs of digits were presented sequentially for a size comparison task. An advantage for numbers presented in ascending order was found when participants were comparing the numbers' physical and numerical magnitudes. The effect was more robust for comparisons of physical size, as it was found using both select larger and select smaller instructions, while for numerical comparisons it was found only for select larger instructions. Varying both the digits' numerical and physical sizes resulted in a size congruity effect, indicating automatic processing of the irrelevant magnitude dimension. Temporal order and the congruency between numerical and physical magnitudes affected comparisons in an additive manner, thus suggesting that they affect different stages of the comparison process.

Original languageEnglish
Pages (from-to)2309-2320
Number of pages12
JournalQuarterly Journal of Experimental Psychology
Issue number12
StatePublished - 1 Dec 2012


  • Number and time
  • Number processing
  • Theory of magnitude

ASJC Scopus subject areas

  • Physiology
  • Neuropsychology and Physiological Psychology
  • Experimental and Cognitive Psychology
  • General Psychology
  • Physiology (medical)


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