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Experimental Brain Research

, Volume 193, Issue 3, pp 437–443 | Cite as

Constancy of target velocity as a critical factor in the emergence of auditory and visual representational momentum

  • Stephan GetzmannEmail author
  • Jörg Lewald
Research Article

Abstract

Representational momentum refers to the tendency to displace the judged final position of a moving auditory or visual target as being too far forward along the path of motion. This phenomenon was investigated here by comparing apparent displacements in final position with constant or with irregularly varying target velocities. Final positions of auditory or visual targets, moving along the horizontal plane, were indicated by manual pointing. In both modalities, we found a significantly smaller displacement magnitude with varying velocities compared to constant velocity. The reduction in displacement occurred irrespective of whether or not the participants pursued the visual targets with their eyes. These findings indicate that the emergence of representational momentum critically depends on the constancy of target velocity. The results are compatible with a model in which changes in the motion signal can override the extrapolation mechanism that usually causes the forward displacement of representational momentum.

Keywords

Representational momentum Motion perception Velocity Predictability Vision Audition 

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Copyright information

© Springer-Verlag 2008

Authors and Affiliations

  1. 1.Faculty of PsychologyRuhr University BochumBochumGermany
  2. 2.Leibniz Research Centre for Working Environment and Human Factors – IfADoInstitute for Occupational Physiology at the University of DortmundDortmundGermany

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