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Related Experiment Videos

Developmental patterns in priming and familiarity in explicit recollection.

Rebecca L Billingsley1, Mary Lou Smith, Mary Pat McAndrews

  • 1University of Toronto, Toronto, Ont., Canada. Rebecca.L.Billingsley@uth.tmc.edu

Journal of Experimental Child Psychology
|July 3, 2002
PubMed
Summary

Implicit memory, including perceptual and conceptual priming, shows developmental invariance in children and adolescents. Explicit memory, specifically "Remember" responses, develops later, indicating a dissociation in memory systems.

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Area of Science:

  • Cognitive Psychology
  • Developmental Neuroscience
  • Human Memory Research

Background:

  • Human memory comprises implicit and explicit systems, which may follow different developmental paths.
  • The Remember/Know paradigm distinguishes between recollective (Remember) and familiarity-based (Know) explicit memory.
  • Implicit memory, assessed via priming, is thought to mature earlier than explicit memory.

Purpose of the Study:

  • To investigate the developmental trajectories of implicit memory (perceptual and conceptual priming) and explicit memory (Remember/Know responses).
  • To determine if adult-like performance in implicit memory emerges earlier than in explicit memory.
  • To examine the influence of encoding manipulations on developmental differences in priming.

Main Methods:

Related Experiment Videos

  • A study involving 52 children and adolescents aged 8-19 years.
  • Assessment of perceptual and conceptual priming using levels-of-processing encoding.
  • Evaluation of explicit memory using the Remember/Know paradigm.

    • Main Results:

    • Both perceptual and conceptual priming demonstrated developmental invariance across the age range.
    • Age-related differences were observed in "Remember" responses but not in "Know" responses.
    • Adult levels of performance on implicit memory tasks were achieved earlier in development compared to explicit memory tasks.

    Conclusions:

    • Implicit memory systems, particularly priming, mature earlier than explicit memory systems.
    • A developmental dissociation exists between implicit and explicit memory, mirroring the dissociation between "Remember" and "Know" responses.
    • These findings contribute to understanding the distinct developmental timelines of human memory components.