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Developmental changes in response preparation to visual stimuli.

R J Adams1, W A Lambos

  • 1Dept. of Psychology, Memorial University of Newfoundland, St. John's, Canada.

Perceptual and Motor Skills
|April 1, 1986
PubMed
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Response preparation abilities change significantly with age. Young children show unique reaction times based on foreperiod duration, differing from adult performance patterns.

Area of Science:

  • Cognitive Psychology
  • Developmental Psychology
  • Neuroscience

Background:

  • Response preparation is crucial for efficient motor control.
  • Understanding age-related changes in preparation is key to developmental insights.

Purpose of the Study:

  • To investigate how response preparation develops across different age groups.
  • To identify age-specific patterns in reaction time (RT) tasks.

Main Methods:

  • Utilized a simple visual reaction time (RT) task.
  • Varied foreperiod durations (300-2000 msec) across four age groups (5-7, 8-11, 12-17, 18-24 years).

Main Results:

  • Age and foreperiod duration significantly impacted performance.
  • Youngest children (5-7 yrs) exhibited optimal performance with shorter foreperiods than adults.

Related Experiment Videos

  • Preadolescents showed a distinct optimal foreperiod duration.
  • Youngest subjects demonstrated less efficient sustained preparation.

    • Conclusions:

    • Response preparation exhibits distinct developmental trajectories.
    • Age-related differences in foreperiod optimization highlight developmental variations in cognitive control.
    • Findings inform our understanding of the maturation of anticipatory processes.