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Related Experiment Videos

Cognitive processes in the development of TOL performance.

Miya R Asato1, John A Sweeney, Beatriz Luna

  • 1Laboratory of Neurocognitive Development, Department of Psychiatry, University of Pittsburgh, Pittsburgh, PA 15213, USA. asatomr@upmc.edu

Neuropsychologia
|June 27, 2006
PubMed
Summary

Executive functions like response planning mature in adolescence. Response inhibition and working memory are key cognitive processes supporting this development, crucial for complex problem-solving skills.

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Area of Science:

  • Cognitive Neuroscience
  • Developmental Psychology
  • Neuroscience

Background:

  • Executive functions develop throughout adolescence, but their integration into complex cognitive tasks is not well understood.
  • Response planning is a complex cognitive function that relies on the integration of multiple executive functions.

Purpose of the Study:

  • To investigate the developmental trajectory of response planning in adolescents and young adults.
  • To determine the contribution of specific cognitive processes (speed of processing, response inhibition, working memory) to response planning development.

Main Methods:

  • A computerized Tower of London (TOL) task was administered to 100 healthy participants aged 8-30.
  • Cognitive oculomotor tests, including visually guided saccade, oculomotor delayed response, and antisaccade tasks, were used to assess cognitive processes.

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Main Results:

  • Speed of processing, response inhibition, working memory, and TOL performance all showed significant maturation during adolescence.
  • Antisaccade task performance, a measure of response inhibition, demonstrated the strongest correlation with the development of TOL performance.

Conclusions:

  • The development of response planning in adolescence is supported by the maturation of converging cognitive processes, notably response inhibition and working memory.
  • This developmental model of response planning may inform our understanding of other complex problem-solving skill development.