Numerical-spatial representation affects spatial coding: Binding errors across the numerical distance effect

Isabel Arend, Sharon Naparstek, Avishai Henik

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Does numerical-spatial representation affect feature binding? Studies of visual attention show that poor spatial coding leads to illusory conjunctions (ICs). In numerical cognition, it has been shown that numbers and space are not totally dissociated. This association underlies the numerical distance effect (DE): faster responses as the distance between the compared digits becomes larger (2 7 vs. 2 4). We used the DE to test whether numerical-spatial representation is available to visual processes that rely on spatial coding, such as feature binding. Participants reported the larger of two colored numbers. Both numerical distance (distances 2 and 5) and number-space congruity (e.g., congruent pair, 1 3; incongruent pair, 3 1) were analyzed. Results showed a higher proportion of ICs for distance 2 than for distance 5, providing strong evidence that numerical-spatial representation (1) entails a strong location code and (2) is available to visual processes that rely on location information.

Original languageEnglish
Pages (from-to)1181-1186
Number of pages6
JournalPsychonomic Bulletin and Review
Volume20
Issue number6
DOIs
StatePublished - 1 Dec 2013

Keywords

  • Feature binding
  • Illusory conjunctions
  • Numerical distance
  • Spatial coding

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