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Related Experiment Video

Updated: May 18, 2026

Contextual and Cued Fear Conditioning Test Using a Video Analyzing System in Mice
19:32

Contextual and Cued Fear Conditioning Test Using a Video Analyzing System in Mice

Published on: March 1, 2014

Altered fear learning across development in both mouse and human.

Siobhan S Pattwell1, Stéphanie Duhoux, Catherine A Hartley

  • 1Department of Psychiatry, Weill Cornell Medical College of Cornell University, New York, NY 10065, USA.

Proceedings of the National Academy of Sciences of the United States of America
|September 19, 2012
PubMed
Summary

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Adolescence shows reduced fear extinction learning, impacting exposure therapy effectiveness for anxiety. This developmental stage presents challenges in regulating fear responses, suggesting timing is crucial for treatment success.

Area of Science:

  • Neuroscience
  • Developmental Psychology
  • Psychiatry

Background:

  • Evidence-based behavioral treatments for anxiety and stress-related disorders utilize extinction learning principles.
  • A significant portion of patients (40%) do not respond to these desensitization techniques.
  • Previous research has explored individual differences in treatment response but not developmental timing.

Purpose of the Study:

  • To investigate fear-extinction learning across developmental stages in mice and humans.
  • To identify potential neural mechanisms underlying developmental differences in extinction learning.
  • To inform the optimal timing for exposure-based therapies in anxiety treatment.

Main Methods:

  • Parallel behavioral studies were conducted in adolescent and adult mice and humans.

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Last Updated: May 18, 2026

Contextual and Cued Fear Conditioning Test Using a Video Analyzing System in Mice
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Published on: March 1, 2014

An Appetitive Spatial Working Memory Task for Mice in a Semi-Automated 8-Arm Radial Maze, Reducing Fearful Memory Association in the Maze
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An Appetitive Spatial Working Memory Task for Mice in a Semi-Automated 8-Arm Radial Maze, Reducing Fearful Memory Association in the Maze

Published on: July 29, 2025

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  • Fear-extinction learning paradigms were employed to assess learning across development.
  • Neural circuitry, specifically prefrontal cortical regions, was probed in mice to examine synaptic plasticity.

    • Main Results:

    • Both mice and humans exhibited attenuated fear-extinction learning during adolescence.
    • Altered synaptic plasticity was observed in prefrontal cortical regions in adolescent mice.
    • These prefrontal alterations were linked to blunted regulation of fear extinction.

    Conclusions:

    • Adolescence is characterized by reduced capacity for fear extinction learning.
    • A lack of synaptic plasticity in prefrontal regions during adolescence may underlie impaired fear regulation.
    • Findings suggest that the developmental stage significantly influences the efficacy of exposure therapies, highlighting the importance of treatment timing.