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Spatial coding in two dimensions.

Sandro Rubichi1, Kim-Phuong L Vu, Roberto Nicoletti

  • 1Università di Modena e Reggio Emilia, Reggio Emilia, Italy. rubichi@unimore.it

Psychonomic Bulletin & Review
|August 9, 2006
PubMed
Summary
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Human spatial coding favors horizontal over vertical dimensions in 2-D tasks. The relative salience account best explains this phenomenon, considering factors like speed and learning.

Area of Science:

  • Cognitive psychology
  • Human-computer interaction
  • Spatial cognition

Background:

  • Growing interest in human performance with 2-D stimuli/responses.
  • Previous research shows horizontal dimension preference in spatial coding for response selection.

Purpose of the Study:

  • Review evidence on spatial coding for 2-D stimulus-response sets.
  • Evaluate explanations for 2-D spatial coding, focusing on the relative salience account.
  • Examine factors influencing performance in 2-D tasks: speed, reference frames, and learning.

Main Methods:

  • Literature review of studies on 2-D spatial coding.
  • Analysis of existing theoretical accounts, particularly the relative salience account.
  • Evaluation of empirical evidence regarding influencing factors.

Related Experiment Videos

Main Results:

  • The horizontal dimension is often prioritized over the vertical in 2-D spatial coding.
  • The relative salience account offers a comprehensive explanation for this coding preference.
  • Performance in 2-D tasks is modulated by the speed of spatial code formation, number of reference frames, and learning.

Conclusions:

  • Spatial coding in 2-D tasks demonstrates a bias towards the horizontal dimension.
  • The relative salience account effectively explains 2-D spatial coding mechanisms.
  • Understanding factors like speed, reference frames, and learning is crucial for optimizing human performance in 2-D environments.