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Related Experiment Videos

When does a different environmental context make a difference in recognition? A global activation model

K Murnane1, M P Phelps

  • 1Department of Psychology, Pennsylvania State University, University Park 16802.

Memory & Cognition
|September 1, 1994
PubMed
Summary
This summary is machine-generated.

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Memory recall is influenced by environmental context. This study shows context-dependent recognition effects are strongest when the test environment is entirely new, not previously encountered during learning.

Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Human Memory Research

Background:

  • Environmental context significantly impacts memory retrieval.
  • Context-dependent recognition is a phenomenon where memory performance differs based on the environmental context at learning versus testing.
  • Existing models provide a basis for understanding context effects in memory.

Purpose of the Study:

  • To investigate the influence of environmental context changes on recognition memory.
  • To present and test a formal model of context-dependent recognition within a global activation framework.
  • To predict and verify conditions under which context effects are present or absent.

Main Methods:

  • Development of a formal model for context-dependent recognition.

Related Experiment Videos

  • Experimental verification of model predictions using a within-subjects design.
  • Manipulation of environmental context between learning and testing phases.

    • Main Results:

    • Context effects were observed when recognition tests occurred in a novel environmental context not encountered during learning.
    • Context effects were minimal or absent when items were tested in a previously experienced context, even if different from the specific learning context.
    • Experimental findings supported the model's predictions regarding context-dependent recognition.

    Conclusions:

    • Environmental context plays a crucial role in recognition memory.
    • The model accurately predicts the presence and absence of context effects based on prior context exposure.
    • Understanding context-dependent recognition has implications for memory research and real-world applications.