ArticleScientific reports2024
Choice impulsivity after repeated social stress is associated with increased perineuronal nets in the medial prefrontal cortex.
Article in Scientific reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
7 citing papers in PubMed, 9 citations in OpenAlex.
- Stress-coping behavior during predator odor exposure is associated with differences in decision making.Addiction neuroscience · 2026Article
- Stress-coping behavior during predator odor exposure is associated with differences in decision making.bioRxiv : the preprint server for biology · 2026Article
- Glycosaminoglycan sugar side chains on perineuronal nets in the fastigial nucleus regulate motor skills.iScience · 2025Article
- Stress Sensitization of Neurons in the Dentate Gyrus Is Dependent on Neuronal Interleukin-1 Receptor Signaling and Is Associated with Increased Synaptic Plasticity, Perineuronal Nets, and Excitatory/Inhibitory Input Imbalance.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2025Article
- Article
- Modulation of stress-, pain-, and alcohol-related behaviors by perineuronal nets.Neurobiology of stress · 2024Article
- No effects of acute stress on monetary delay discounting: A systematic literature review and meta-analysis.Neurobiology of stress · 2024Review
Corrections and comments
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
Abstract
Repeated stress can predispose to substance abuse. However, behavioral and neurobiological adaptations that link stress to substance abuse remain unclear. This study investigates whether intermittent social defeat (ISD), a stress protocol that promotes drug-seeking behavior, alters intertemporal decision-making and cortical inhibitory function in the medial prefrontal cortex (mPFC). Male long evans rats were trained in a delay discounting task (DDT) where rats make a choice between a fast (1 s) small reward (1 sugar pellet) and a large reward (3 sugar pellets) that comes with a time delay (10 s or 20 s). A decreased preference for delayed rewards was used as an index of choice impulsivity. Rats were exposed to ISD and tested in the DDT 24 h after each stress episode, and one- and two-weeks after the last stress episode. Immunohistochemistry was performed in rat's brains to evaluate perineuronal nets (PNNs) and parvalbumin GABA interneurons (PV) labeling as markers of inhibitory function in mPFC. ISD significantly decreased the preference for delayed large rewards in low impulsive, but not high impulsive, animals. ISD also increased the density of PNNs in the mPFC. These results suggest that increased choice impulsivity and cortical inhibition predispose animals to seek out rewards after stress.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.