Research data · Animal model and test
Morris water maze with chronic unpredictable stress
From 2021 to 2025, 90 animal research papers mentioned chronic unpredictable stress and the Morris water maze in their title or abstract.
That is 2.0 times the 45 papers of 2011 to 2015. Between the same two periods, the papers that mention chronic unpredictable stress and any of the 90 tests we count grew faster, to 2.1 times as many.
Papers by year
Animal research papers that mention chronic unpredictable stress and the Morris water maze, 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 | 1 |
| 2004 | 2 |
| 2005 | 3 |
| 2006 | 2 |
| 2007 | 2 |
| 2008 | 2 |
| 2009 | 4 |
| 2010 | 3 |
| 2011 | 11 |
| 2012 | 5 |
| 2013 | 6 |
| 2014 | 10 |
| 2015 | 13 |
| 2016 | 12 |
| 2017 | 17 |
| 2018 | 7 |
| 2019 | 10 |
| 2020 | 10 |
| 2021 | 23 |
| 2022 | 15 |
| 2023 | 18 |
| 2024 | 12 |
| 2025 | 22 |
| 2026 (part year) | 18 |
Papers that mention chronic unpredictable stress and the Morris water maze fell from 23 in 2021 to 12 in 2024, then rose to 22 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 90 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 the Morris water maze
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
Which papers count
A paper counts here when it is animal research and its title or abstract mentions chronic unpredictable stress and the Morris water maze.
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 chronic unpredictable stress
The Morris water maze with other animal models and brain techniques
- Intracerebroventricular (ICV) injection 269 papers
- Scopolamine 223 papers
- Lipopolysaccharide (LPS) 193 papers
- High-fat diet 189 papers
- Carotid artery occlusion (BCCAO, 2VO) 185 papers
- Streptozotocin diabetes 179 papers
- D-galactose 157 papers
- Exercise 153 papers
- Middle cerebral artery occlusion (MCAO) 147 papers
- Traumatic brain injury (CCI, fluid percussion, weight drop) 119 papers
- Streptozotocin in the brain (ICV-STZ) 113 papers
- AAV vectors 103 papers
- Sleep deprivation 99 papers
- Aluminum chloride 95 papers
- Sepsis 75 papers
- Environmental enrichment 70 papers
- Intranasal delivery 66 papers
- Kainic acid or pilocarpine seizures 59 papers
- Intermittent or chronic hypoxia 54 papers
- Neonatal hypoxia-ischemia 54 papers
- Ovariectomy 50 papers
- EEG and ECoG 47 papers
- Pentylenetetrazole (PTZ) 39 papers
- Restraint stress 33 papers
- Gut microbiota depletion or transplant 32 papers
- Chemotherapy drugs 31 papers
- Radiation exposure 31 papers
The page on the Morris water maze counts all the papers that mention it, whatever they study. The page on chronic unpredictable stress ranks the tests mentioned with it.
How to cite
APA
ConductScience. (2026, November 13). Morris water maze with chronic unpredictable stress [Data set]. https://conductscience.com/resources/data/animal-models/chronic-unpredictable-stress/morris-water-maze
BibTeX
@misc{conductscience_chronic_unpredictable_stress_morris_water_maze_2026,
author = {{ConductScience}},
title = {Morris water maze with chronic unpredictable stress},
year = {2026},
month = nov,
url = {https://conductscience.com/resources/data/animal-models/chronic-unpredictable-stress/morris-water-maze},
note = {Data set, released November 13, 2026},
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