Research data · Animal model and test
Novel object recognition with environmental enrichment
From 2021 to 2025, 46 animal research papers mentioned environmental enrichment and novel object recognition in their title or abstract.
That is 1.9 times the 24 papers of 2011 to 2015. Between the same two periods, the papers that mention environmental enrichment and any of the 90 tests we count stayed about the same.
Papers by year
Animal research papers that mention environmental enrichment and novel object recognition, 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 | 1 |
| 2002 | 0 |
| 2003 | 0 |
| 2004 | 0 |
| 2005 | 2 |
| 2006 | 0 |
| 2007 | 4 |
| 2008 | 4 |
| 2009 | 3 |
| 2010 | 2 |
| 2011 | 1 |
| 2012 | 5 |
| 2013 | 7 |
| 2014 | 6 |
| 2015 | 5 |
| 2016 | 4 |
| 2017 | 6 |
| 2018 | 6 |
| 2019 | 8 |
| 2020 | 5 |
| 2021 | 10 |
| 2022 | 7 |
| 2023 | 9 |
| 2024 | 10 |
| 2025 | 10 |
| 2026 (part year) | 5 |
Papers that mention environmental enrichment and novel object recognition fell from 10 in 2021 to 7 in 2022, then rose to 10 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 46 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 novel object recognition
Each bar is one test, with how many of the 46 papers also mention it, and what share that is. Of these papers, 14 (30%) 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 environmental enrichment and novel object recognition.
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 environmental enrichment
Novel object recognition with other animal models and brain techniques
- Scopolamine 137 papers
- Intracerebroventricular (ICV) injection 125 papers
- High-fat diet 108 papers
- Lipopolysaccharide (LPS) 106 papers
- Exercise 81 papers
- Carotid artery occlusion (BCCAO, 2VO) 59 papers
- AAV vectors 52 papers
- Streptozotocin in the brain (ICV-STZ) 52 papers
- Streptozotocin diabetes 52 papers
- Chronic unpredictable stress 50 papers
- Sleep deprivation 46 papers
- D-galactose 44 papers
- MK-801 43 papers
- Traumatic brain injury (CCI, fluid percussion, weight drop) 42 papers
- Intranasal delivery 40 papers
- Middle cerebral artery occlusion (MCAO) 40 papers
- Sepsis 40 papers
- EEG and ECoG 39 papers
- Chemogenetics (DREADDs) 36 papers
- In vivo electrophysiology 36 papers
- Chemotherapy drugs 33 papers
- Restraint stress 33 papers
- Ovariectomy 32 papers
- Aluminum chloride 31 papers
- Kainic acid or pilocarpine seizures 30 papers
The page on novel object recognition counts all the papers that mention it, whatever they study. The page on environmental enrichment ranks the tests mentioned with it.
How to cite
APA
ConductScience. (2026, November 13). Novel object recognition with environmental enrichment [Data set]. https://conductscience.com/resources/data/animal-models/environmental-enrichment/novel-object-recognition
BibTeX
@misc{conductscience_environmental_enrichment_novel_object_recognition_2026,
author = {{ConductScience}},
title = {Novel object recognition with environmental enrichment},
year = {2026},
month = nov,
url = {https://conductscience.com/resources/data/animal-models/environmental-enrichment/novel-object-recognition},
note = {Data set, released November 13, 2026},
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