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Related Concept Videos

Long-term Potentiation01:25

Long-term Potentiation

Long-term potentiation, or LTP, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTP is the process of synaptic strengthening that occurs over time between pre and postsynaptic neuronal connections. The synaptic strengthening of LTP works in opposition to the synaptic weakening of long-term depression (LTD) and together are the main mechanisms that underlie learning and memory.
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The Modified Temptation Resistance Task: A Paradigm to Elicit Children's Strategic Lie-telling
06:51

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Published on: April 6, 2018

Testing potentiates new learning in the misinformation paradigm.

Leamarie T Gordon1, Ayanna K Thomas

  • 1Department of Psychology, Tufts University, 490 Boston Avenue, Medford, MA, 02155, USA, leamarie.gordon@tufts.edu.

Memory & Cognition
|September 13, 2013
PubMed
Summary
This summary is machine-generated.

Testing before misinformation exposure enhances suggestibility by influencing attention to details. This retrieval-enhanced suggestibility (RES) effect does not impair access to original memories, suggesting testing can potentiate learning.

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Area of Science:

  • Cognitive Psychology
  • Memory Research
  • Eyewitness Testimony

Background:

  • Retrieval-enhanced suggestibility (RES) demonstrates that testing before misinformation amplifies the misinformation effect.
  • Previous research suggests a link between testing, misinformation, and memory alteration.

Purpose of the Study:

  • To investigate if retrieval of critical details is essential for the RES effect.
  • To determine if initial testing influences attention allocation during postevent information processing.
  • To examine if RES impairs access to original information.

Main Methods:

  • Three participant groups were compared: identical-test, related-test, and standard misinformation.
  • Participants were tested on an original event before receiving misleading postevent information.
  • Testing involved identical or related tests before and after misinformation exposure.

Main Results:

  • Initial testing before misinformation exposure altered attention allocation to details in the postevent narrative.
  • The RES effect was observed without a corresponding reduction in accessibility to original information.
  • Modified-modified free recall tests measured memory accessibility.

Conclusions:

  • Testing prior to misinformation exposure influences how individuals process new information.
  • Retrieval-enhanced suggestibility does not necessarily mean original memories are lost or inaccessible.
  • Findings suggest that testing can play a role in potentiating new learning and memory formation.