Evidence map›Paper›PMID 26568307›Full record

ArticleeLife2015

Sexually divergent expression of active and passive conditioned fear responses in rats.

Tina M Gruene, Katelyn Flick, Alexis Stefano, Stephen D Shea, Rebecca M Shansky

Abstract read
In one paragraph

Article in eLife, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 275 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
275citing papers in PubMed, 2 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

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.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

275 citing papers in PubMed, 2 syntheses or guidelines pooled it.

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  15. Midbrain PAG Astrocytes Modulate Mouse Defensive and Panic-Like Behaviors.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026
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215 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

5 authors.

Tina M GrueneDepartment of Psychology, Northeastern University, Boston, United States.
Katelyn FlickDepartment of Psychology, Northeastern University, Boston, United States.
Alexis StefanoDepartment of Psychology, Northeastern University, Boston, United States.
Stephen D SheaCold Spring Harbor Laboratories, Cold Spring Harbor, United States.ORCID http://orcid.org/0000-0001-6927-0189
Rebecca M ShanskyDepartment of Psychology, Northeastern University, Boston, United States.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Traditional rodent models of Pavlovian fear conditioning assess the strength of learning by quantifying freezing responses. However, sole reliance on this measure includes the de facto assumption that any locomotor activity reflects an absence of fear. Consequently, alternative expressions of associative learning are rarely considered. Here we identify a novel, active fear response ('darting') that occurs primarily in female rats. In females, darting exhibits the characteristics of a learned fear behavior, appearing during the CS period as conditioning proceeds and disappearing from the CS period during extinction. This finding motivates a reinterpretation of rodent fear conditioning studies, particularly in females, and it suggests that conditioned fear behavior is more diverse than previously appreciated. Moreover, rats that darted during initial fear conditioning exhibited lower freezing during the second day of extinction testing, suggesting that females employ distinct and adaptive fear response strategies that improve long-term outcomes.

Indexed as

FearLocomotionAnimalsConditioning, ClassicalFemaleMaleRats, Sprague-Dawleyactive responsesfear conditioningneuroscienceratsex differences

Identifiers

PMID26568307
PMCPMC4709260

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

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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.