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Related Experiment Videos

Proactive and coactive interference in age-related performance in a recognition-based operation span task.

Melanie Zeintl1, Matthias Kliegel

  • 1Department of Psychology, Technische Universität Dresden, Dresden, Germany. zeintl@psychologie.tu-dresden.de

Gerontology
|September 16, 2009
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

Interference and Decay01:16

Interference and Decay

412
Forgetting is a complex cognitive phenomenon influenced by several factors, among which interference and decay are particularly prominent. These processes explain why individuals often struggle to retrieve specific information from memory, leading to lapses in recall that can be observed in everyday situations.
Interference occurs when competing memories hinder the retrieval of particular information. It can be classified into two types: proactive and retroactive interference. Proactive...
412

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Older adults struggle with complex working memory span tasks due to interference, not just retrieval deficits. This study clarifies age-related differences in memory performance.

Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Human Development

Background:

  • Older adults exhibit reduced performance in complex working memory span tasks compared to younger adults.
  • The specific cognitive processes underlying age-related working memory deficits remain largely undetermined.
  • Investigating interference effects is crucial for understanding these age differences.

Purpose of the Study:

  • To examine age-related effects in working memory.
  • To determine the influence of proactive and coactive interference on memory performance.
  • To utilize a recognition-based operation span task to assess these factors.

Main Methods:

  • Younger and older adults completed standard and distracter versions of the operation span task.
  • Participants engaged in a word recognition task at retrieval.

Related Experiment Videos

  • Word lists included target words alongside lures related to proactive and/or coactive interference.

    • Main Results:

    • Younger adults demonstrated superior target word recognition compared to older adults.
    • Older adults showed deficits related to both proactive and coactive interference.
    • Younger adults were primarily affected by simultaneously presented distracter words.

    Conclusions:

    • Age-related declines in complex span tasks may not stem solely from retrieval impairments.
    • Interference resolution appears to be a key factor in age differences in working memory.
    • Findings provide insights into the cognitive mechanisms underlying aging and memory.