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Related Experiment Video

Updated: Jul 6, 2025

Extinction Training During the Reconsolidation Window Prevents Recovery of Fear
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Increasing previous but not concurrent extinction attenuates the "extinction makes acquisition context specific"

Pedro M Ogallar1, Juan M Rosas2, José E Callejas-Aguilera2

  • 1Department of Psychological and Brain Sciences, University of Iowa.

Journal of Experimental Psychology. Animal Learning and Cognition
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Summary

Extinction training can make learning context-specific (EMACS effect). This effect disappears when extinction trials are increased and conducted before new learning, suggesting attentional mechanisms in predictive learning.

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Area of Science:

  • Cognitive Psychology
  • Human Predictive Learning

Background:

  • The extinction makes the acquisition context specific (EMACS) effect describes how learning can become dependent on the context in which it occurs.
  • Understanding factors that attenuate the EMACS effect is crucial for explaining context processing in predictive learning.

Purpose of the Study:

  • To investigate whether the EMACS effect is reduced when the prediction error associated with extinction diminishes.
  • To examine the influence of extinction timing and duration on context specificity in human predictive learning.

Main Methods:

  • Four experiments utilized a predictive learning task where participants associated food cues with gastric illness in specific restaurant contexts.
  • Participants underwent extinction training for a cue (E) either concurrently or before acquiring a new target cue (P).
  • Performance on cue P was tested across two contexts (A and B) to assess context dependency.

Main Results:

  • Concurrent extinction training led to context-dependent performance (EMACS effect) irrespective of the number of extinction trials (12 or 24).
  • The EMACS effect was eliminated when extinction training (24 trials) preceded the acquisition of the target cue P.
  • This suggests that the timing and duration of extinction influence the development of context-specific learning.

Conclusions:

  • The findings indicate that the EMACS effect is not solely dependent on the disappearance of prediction error from extinction.
  • Extinction conducted prior to acquisition, with sufficient trials, can prevent the emergence of context-specific learning.
  • Results offer insights into attentional explanations for context processing in associative learning.