Related Experiment Video
Updated: Jul 19, 2025
11:17
Extinction Training During the Reconsolidation Window Prevents Recovery of Fear
Published on: August 24, 2012
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Enhancing Fear Extinction: Pharmacological Approaches.
Olga Y Ponomareva1, Robert J Fenster1, Kerry J Ressler2
1McLean Hospital, Harvard Medical School, Belmont, MA, USA.
Current Topics in Behavioral Neurosciences
|August 16, 2023
Summary
Extinction learning is crucial for overcoming fear and trauma-related disorders. Emerging psychopharmacological treatments and molecular pathways show promise for enhancing extinction processes and aiding recovery.
Area of Science:
- Neuroscience
- Psychopharmacology
- Clinical Psychology
Background:
- Extinction is the decrease of learned associations over time, vital for fear learning and recovery from fear-related disorders.
- It underpins effective therapies for Posttraumatic Stress Disorder (PTSD) and other anxiety disorders.
- Pharmacological interventions targeting extinction are promising for treating these conditions.
Purpose of the Study:
- To review emerging psychopharmacological treatments that facilitate extinction learning.
- To provide an overview of recent advances in molecular pathways relevant to extinction and inhibitory learning.
Main Methods:
- Focus on specific drugs: D-cycloserine, scopolamine, losartan, ketamine, and 3,4-methylenedioxymethamphetamine.
- Review molecular pathways including cannabinoid, brain-derived neurotrophic factor (BDNF), and hypothalamic-pituitary-adrenal (HPA) signaling.
- Incorporate findings on neurosteroid compounds.
Main Results:
- Several pharmacological agents show potential in modulating extinction processes.
- Advances in understanding molecular pathways offer new targets for therapeutic development.
- Inhibitory learning mechanisms are key to successful extinction.
Conclusions:
- Psychopharmacological agents and novel molecular targets represent promising avenues for enhancing extinction-based therapies.
- Further research into these areas could lead to improved treatments for fear-related disorders.
- Targeting extinction and inhibitory learning is critical for clinical recovery.
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