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Related Experiment Videos

Retroactive interference from translation equivalents: implications for first language forgetting.

L Isurin1, J L McDonald

  • 1Louisiana State University, Baton Rouge USA.

Memory & Cognition
|May 16, 2001
PubMed
Summary
This summary is machine-generated.

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Massive second language exposure can cause first language forgetting, especially with semantically similar words. Increased exposure to the second language exacerbates this forgetting, highlighting discriminability issues.

Area of Science:

  • Cognitive Psychology
  • Linguistics
  • Second Language Acquisition

Background:

  • First language (L1) vocabulary is susceptible to forgetting following extensive second language (L2) exposure.
  • Potential factors contributing to L1 forgetting include semantic overlap between L1 and L2 concepts and the volume of L2 exposure.

Purpose of the Study:

  • To investigate the impact of semantic overlap and L2 exposure amount on L1 forgetting.
  • To examine the underlying mechanisms of L1 forgetting, specifically focusing on discriminability.

Main Methods:

  • A laboratory simulation involving participants learning an L1 word list.
  • Subsequent exposure to an L2 word list, varying in semantic overlap (translation equivalents vs. new concepts) and exposure quantity (2, 5, 10, or 15 exposures).

Related Experiment Videos

  • Retention testing of the initial L1 word list.

    • Main Results:

    • Greater retroactive interference (L1 forgetting) occurred with translation equivalents compared to new concepts.
    • Increased L2 exposure led to more significant L1 forgetting.
    • Both semantic similarity and L2 exposure amount influenced vocabulary losses, but not gains, suggesting poor discriminability as a cause of forgetting.

    Conclusions:

    • Semantic similarity and the amount of L2 exposure are key factors in L1 vocabulary forgetting.
    • Lack of discriminability between L1 and L2 concepts contributes significantly to L1 forgetting.
    • The experimental paradigm is effective for studying L1 forgetting theories.