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Related Experiment Videos

A global developmental trend in cognitive processing speed.

S Hale1

  • 1Washington University, Department of Psychology, St. Louis, MO 63130-4899.

Child Development
|June 1, 1990
PubMed
Summary
This summary is machine-generated.

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Children

Area of Science:

  • Cognitive Psychology
  • Developmental Psychology
  • Neuroscience

Background:

  • Children generally exhibit slower information processing speeds compared to young adults.
  • The global trend hypothesis suggests age-related changes in processing speed are uniform across different cognitive tasks.
  • This hypothesis predicts a consistent relationship between children's and adults' response latencies.

Purpose of the Study:

  • To test the global trend hypothesis's prediction regarding age-related processing speed.
  • To examine if children's response latencies are predictable from young adults' performance across various tasks.
  • To investigate the relationship between age and information processing speed in children.

Main Methods:

  • Investigated 4 age groups (10, 12, 15, and 19-year-olds).

Related Experiment Videos

  • Assessed performance on 4 distinct information-processing tasks: choice reaction time, letter matching, mental rotation, and abstract matching.
  • Analyzed data across all tasks simultaneously to evaluate the global trend hypothesis.

    • Main Results:

    • Strong support was found for the global trend hypothesis.
    • Precise linear functions demonstrated a predictable relationship between children's and young adults' response latencies.
    • 10-year-olds were ~1.8 times slower, and 12-year-olds were ~1.5 times slower than young adults; 15-year-olds performed similarly to young adults.

    Conclusions:

    • The findings support the global trend hypothesis, indicating uniform age-related changes in processing speed.
    • Response latencies in children are predictable from young adult performance across diverse cognitive tasks.
    • Processing speed significantly improves with age during childhood and adolescence.