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Related Experiment Videos

The Simon effect in vocal responses.

Peter Wühr1

  • 1Friedrich-Alexander Universität Erlangen-Nürnberg, Institut für Psychologie I, Kochstrasse 4, 91054 Erlangen, Germany. prwuehr@phil.uni-erlangen.de

Acta Psychologica
|December 3, 2005
PubMed
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The Simon effect, where stimulus and response locations influence reaction time, was studied in vocal responses. This research found links between manual and vocal response codes, suggesting shared underlying mechanisms.

Area of Science:

  • Cognitive Psychology
  • Human-Computer Interaction
  • Neuroscience

Background:

  • The Simon effect demonstrates faster responses when stimulus and response locations align.
  • Traditionally observed with manual responses, the Simon effect has recently been documented in vocal responses.
  • The standard explanation involves automatic spatial stimulus codes activating corresponding spatial response codes.

Purpose of the Study:

  • To investigate the characteristics of the Simon effect in the vocal modality.
  • To compare horizontal and vertical Simon effects in vocal responses.
  • To explore the relationship between manual and vocal response codes.

Main Methods:

  • Experiment 1: Compared horizontal and vertical Simon effects in vocal responses, analyzing sequential modulations and time-courses.

Related Experiment Videos

  • Experiments 2 & 3: Employed a dual-task procedure to assess the influence of manual response codes on irrelevant location encoding and vocal response initiation.

    • Main Results:

    • Vocal Simon effects showed similar sequential modulations to manual effects but distinct time-courses.
    • Dual-task experiments indicated that manual response codes impact the processing of irrelevant spatial information and vocal response initiation.
    • Results suggest a close connection between manual and conceptually related vocal response codes.

    Conclusions:

    • The Simon effect in vocal responses shares properties with manual Simon effects.
    • There are significant links between manual and vocal response systems, suggesting shared cognitive or neural underpinnings.
    • This study advances our understanding of response selection and spatial coding in different response modalities.