Mental representation: What can pitch tell us about the distance effect?

Roi Cohen Kadosh, Warren Brodsky, Michal Levin, Avishai Henik

Research output: Contribution to journalArticlepeer-review

60 Scopus citations

Abstract

Reaction time (RT) profiles for comparing magnitudes (e.g., numbers, physical sizes) are similar - the larger the difference between the compared stimuli, the shorter the RT (distance effect). Nevertheless, it is unclear whether such correspondence is due to similar, two-dimensional, linear mental representations of magnitudes. In contrast, pitch perception has a more complex, two-dimensional, helical representation. This study examined whether comparisons of music pitches are similar to other magnitude response functions. Experiment 1 employed a comparison task, resulting in an RT profile identical to that obtained when comparing other magnitudes. In contrast, Experiment 2 employed a discrimination task, resulting in RTs that matched the helical representation and were dissociated from the classical distance effect. Experiment 3 replicated the results of Experiment 1 using a comparison task with different stimuli and intervals. These findings imply that the distance effect under comparison tasks might reflect a general sensorimotor transformation, rather than mental representation per se.

Original languageEnglish
Pages (from-to)470-477
Number of pages8
JournalCortex
Volume44
Issue number4
DOIs
StatePublished - 1 Jan 2008

Keywords

  • Distance effect
  • Magnitude
  • Mental representation
  • Numbers
  • Pitch

ASJC Scopus subject areas

  • Neuropsychology and Physiological Psychology
  • Experimental and Cognitive Psychology
  • Cognitive Neuroscience

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