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Experimental Brain Research

, Volume 187, Issue 2, pp 267–274 | Cite as

A common processing system for duration, order and spatial information: evidence from a time estimation task

  • Massimiliano Conson
  • Fausta Cinque
  • Anna Maria Barbarulo
  • Luigi TrojanoEmail author
Research Article

Abstract

The aim of the present study was to verify whether duration, order and space representations share common mechanisms. A two-alternative time estimation paradigm was implemented in two experiments in which subjects had to judge whether the first or the second tone in a pair was shorter (or longer) and to respond by pressing a left or a right key. In Experiment 1, subjects were more accurate in conditions where the first tone was shorter or the second tone was longer, with no effects of spatial information. In Experiment 2, a modification of the paradigm allowed us to demonstrate the presence of a SNARC-like effect, as evidenced by the interaction between order and response key, and of a second-order interaction among duration, order and space. These findings seem consistent with the hypothesis that processing of these three mental categories is subserved by a common mechanism, representing duration and order information according to a spatially-defined magnitude system.

Keywords

Time perception Spatial representation Serial order Magnitude Human 

Notes

Acknowledgments

We are grateful to Imma Citarelli for her help in collecting data of the Experiment 2. We are also indebted to Jonathan Barry who revised the English text.

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Copyright information

© Springer-Verlag 2008

Authors and Affiliations

  • Massimiliano Conson
    • 1
  • Fausta Cinque
    • 1
  • Anna Maria Barbarulo
    • 1
  • Luigi Trojano
    • 1
    Email author
  1. 1.Neuropsychology Lab, Department of PsychologySecond University of NaplesCasertaItaly

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