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Related Experiment Video

Updated: Apr 3, 2026

Extinction Training During the Reconsolidation Window Prevents Recovery of Fear
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Timing Matters: Providing Contingency Instructions to Modify Fear Extinction Memories in Anxiety Disorders.

Annalisa Lipp1, Christian J Merz2, Beray Macit3

  • 1Department of Behavioral and Clinical Neuroscience, Ruhr University Bochum, Bochum, Germany; Mental Health Research and Treatment Center, Faculty of Psychology, Ruhr University Bochum, Bochum, Germany.

Biological Psychiatry. Cognitive Neuroscience and Neuroimaging
|April 1, 2026
PubMed
Summary
This summary is machine-generated.

Contingency instructions (CI) given before or after fear extinction training significantly improve fear extinction learning and retrieval in anxiety disorder patients and healthy individuals. Post-extinction CI also reduces fear relapse, offering new therapeutic strategies.

Keywords:
Anxiety disordersConditioningFearFear extinctionInstructionsSkin conductance

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Area of Science:

  • Psychology
  • Neuroscience
  • Clinical Psychology

Background:

  • Cognitive processes are crucial for fear extinction.
  • Contingency instructions (CI) aid fear extinction learning and retrieval.
  • Limited research exists on CI timing in anxiety disorders (ADs).

Purpose of the Study:

  • To investigate the impact of CI timing (before/after extinction training) on fear extinction in AD patients and healthy controls.
  • To assess CI effects on extinction learning, retrieval, and relapse.
  • To explore time-dependent effects of CI in different phases of fear memory.

Main Methods:

  • A three-day fear conditioning paradigm with 240 participants (120 AD patients, 120 controls).
  • CI administered before and/or after fear extinction training.
  • Measured skin conductance responses (SCRs), conditioned stimulus (CS) valence, and unconditioned stimulus (UCS) expectancy.

Main Results:

  • CI before training enhanced extinction learning (SCRs, affective measures) in both groups.
  • Post-extinction CI reduced SCRs and expectancy during retrieval in both groups.
  • Post-extinction CI diminished fear relapse after reinstatement, with time-dependent contextual effects.

Conclusions:

  • Time-dependent administration of CI is critical for effective fear extinction.
  • CI can be integrated into therapeutic approaches for ADs to augment treatment.
  • Findings provide novel insights into cognitive interventions for anxiety disorders.