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Related Experiment Video

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Fear Incubation Using an Extended Fear-Conditioning Protocol for Rats
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Nonlinear developmental trajectory of fear learning and memory.

Elizabeth C King1, Siobhan S Pattwell, Alice Sun

  • 1Departments of Pharmacology; Psychiatry, Weill Cornell Medical College of Cornell University, New York, New York.

Annals of the New York Academy of Sciences
|November 2, 2013
PubMed
Summary

Adolescence is a critical period for fear learning and memory development. Understanding these changes may lead to new treatments for anxiety disorders in young people.

Keywords:
adolescenceanxietyextinctionfearmemoryretrieval

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Area of Science:

  • Neuroscience
  • Developmental Psychology
  • Psychiatry

Background:

  • Adolescence is a sensitive developmental stage with increased risk for anxiety disorders.
  • Fear-related disorders often originate in childhood and adolescence.
  • Rodent and human neural circuitry allows for studying fear learning and memory.

Purpose of the Study:

  • To review nonlinear developmental changes in fear learning and memory during adolescence.
  • To discuss molecular mechanisms underlying these behavioral alterations.
  • To propose a model for novel treatment strategies for pediatric anxiety disorders.

Main Methods:

  • Literature review of neurodevelopmental studies on fear learning and memory.
  • Analysis of conserved neural circuitry in rodents and humans.
  • Discussion of molecular mechanisms and behavioral alterations.

Main Results:

  • Fear learning and memory exhibit nonlinear developmental trajectories during adolescence.
  • Specific molecular mechanisms may underlie age-dependent changes in fear processing.
  • Adolescent brain plasticity influences susceptibility to fear-related disorders.

Conclusions:

  • Adolescence presents unique neurodevelopmental processes influencing fear and anxiety.
  • A deeper understanding of these processes can inform targeted interventions.
  • The proposed model may guide the development of effective treatments for youth anxiety.