Research data · Disease model and test

Passive avoidance in anxiety research

From 2021 to 2025, 90 animal research papers on anxiety mentioned passive avoidance in their title or abstract.

That is 21% fewer than the 114 papers of 2011 to 2015. Between the same two periods, the papers on anxiety that mention any of the 90 tests we count rose 29%. The 2021 to 2025 count may run low because of a dip in PubMed's indexing, explained under the year chart.

90 papers on anxiety from 2021 to 2025 mentioned passive avoidance
3% of the papers on anxiety that mention any test mention passive avoidance
8% of the papers that mention passive avoidance are on anxiety
21% fewer papers than in 2011 to 2015

Papers by year

Animal research papers on anxiety that mention passive avoidance, 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
Papers by year
YearPapers
20017
200213
200314
200412
200517
200622
200710
200820
200916
201016
201121
201228
201316
201427
201522
201624
201714
201810
201923
202021
202122
202216
202313
202420
202519
2026 (part year)13

Papers on anxiety that mention passive avoidance fell from 22 in 2021 to 13 in 2023, then rose to 19 in 2025. Part of this dip may come from PubMed's indexing rather than from fewer studies. Where PubMed has indexed a paper, we take its disease models from that indexing. Otherwise PubTator 3, NCBI's text-mining service, has to find the disease in the title or abstract, or the paper is not counted here. 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 90 papers from 2021 to 2025. A paper can use more than one species, so the shares can add to more than 100%.

Species

Rat
53 papers 59%
Mouse
32 papers 36%
Zebrafish
4 papers 4%
Other animals
1 paper 1%

“Other animals” counts papers that use none of the species this chart names.

Tests mentioned alongside passive avoidance

Each bar is one test, with how many of the 90 papers also mention it, and what share that is. Of these papers, 7 (8%) mention no other test.

The 12 tests these papers mention most

61 papers 68%
24 papers 27%
22 papers 24%
19 papers 21%
9 papers 10%
8 papers 9%
6 papers 7%
5 papers 6%

Which papers count

A paper counts here when it is animal research, mentions passive avoidance in its title or abstract, and studies anxiety.

We tell whether a paper studies anxiety from its MeSH terms, the subject headings the National Library of Medicine adds when it indexes a paper. For a paper without MeSH terms, PubTator 3, NCBI's text-mining service, has to find the disease in the title or abstract. A paper can count under more than one disease model. A paper that mentions the test only in its methods is missed, so the count runs low.

The page on anxiety research names the subject headings we count as anxiety. Download the test list for the search terms we used for passive avoidance, or the paper list for the PubMed ID of every paper behind these counts. Our main page, Behavioral tests in published research, has the full method and each source's terms of use.

More tests and disease models

Every pairing of a disease model and a test with 30 or more papers from 2021 to 2025 has a page like this one.

The page on passive avoidance counts all the papers that mention it, whatever they study. The page on anxiety research ranks the tests by their papers on anxiety.

How to cite

APA

ConductScience. (2026, November 10). Passive avoidance in anxiety research [Data set]. https://conductscience.com/data/behavioral-tests/models/anxiety/passive-avoidance

BibTeX

@misc{conductscience_anxiety_passive_avoidance_2026,
  author = {{ConductScience}},
  title = {Passive avoidance in anxiety research},
  year = {2026},
  month = nov,
  url = {https://conductscience.com/data/behavioral-tests/models/anxiety/passive-avoidance},
  note = {Data set, released November 10, 2026},
}

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