Research data · Animal model and test
Fear conditioning with single prolonged stress
From 2021 to 2025, 70 animal research papers mentioned single prolonged stress and fear conditioning in their title or abstract.
That is 5.4 times the 13 papers of 2011 to 2015. Between the same two periods, the papers that mention single prolonged stress and any of the 90 tests we count grew more slowly, to 3.5 times as many.
Papers by year
Animal research papers that mention single prolonged stress and fear conditioning, by year, 2001 to 2026
The 2026 bar counts papers added to PubMed by November 8, 2026.
- Papers in a full year
- 2026 so far
Show the counts for each year
| Year | Papers |
|---|---|
| 2001 | 0 |
| 2002 | 0 |
| 2003 | 0 |
| 2004 | 0 |
| 2005 | 0 |
| 2006 | 2 |
| 2007 | 2 |
| 2008 | 3 |
| 2009 | 2 |
| 2010 | 0 |
| 2011 | 1 |
| 2012 | 2 |
| 2013 | 3 |
| 2014 | 3 |
| 2015 | 4 |
| 2016 | 6 |
| 2017 | 8 |
| 2018 | 14 |
| 2019 | 16 |
| 2020 | 13 |
| 2021 | 19 |
| 2022 | 10 |
| 2023 | 12 |
| 2024 | 10 |
| 2025 | 19 |
| 2026 (part year) | 13 |
Papers that mention single prolonged stress and fear conditioning fell from 19 in 2021 to 10 in 2022, then rose to 19 in 2025. Part of this dip may come from PubMed's indexing rather than from fewer studies. We take a paper's species from PubMed's indexing when the indexing names one. Otherwise PubTator 3, NCBI's text-mining service, has to find a species in the title or abstract, or the paper is not counted. Papers that PubMed indexed under the subject heading Animals also fell and rose, from 200,221 in 2021 to 156,447 in 2023 and 235,479 in 2025.
Which species the papers used
Each bar is a share of the 70 papers from 2021 to 2025. A paper can use more than one species, so the shares can add to more than 100%.
Species
“Other animals” counts papers that use none of the species this chart names.
Tests mentioned alongside fear conditioning
Each bar is one test, with how many of the 70 papers also mention it, and what share that is. Of these papers, 42 (60%) mention no other test.
The 12 tests these papers mention most
Which papers count
A paper counts here when it is animal research and its title or abstract mentions single prolonged stress and fear conditioning.
A paper that mentions either only in its methods is missed, so the count runs low. The search terms are in the list of models and techniques and the test list. The full method, with each source and its terms of use, is on our main page, Behavioral tests in published research.
More pairings
Every pairing of an animal model and a test with 30 or more papers from 2021 to 2025 has a page like this one.
Other tests with single prolonged stress
Fear conditioning with other animal models and brain techniques
The page on fear conditioning counts all the papers that mention it, whatever they study. The page on single prolonged stress ranks the tests mentioned with it.
How to cite
APA
ConductScience. (2026, November 13). Fear conditioning with single prolonged stress [Data set]. https://conductscience.com/resources/data/animal-models/single-prolonged-stress/fear-conditioning
BibTeX
@misc{conductscience_single_prolonged_stress_fear_conditioning_2026,
author = {{ConductScience}},
title = {Fear conditioning with single prolonged stress},
year = {2026},
month = nov,
url = {https://conductscience.com/resources/data/animal-models/single-prolonged-stress/fear-conditioning},
note = {Data set, released November 13, 2026},
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