Title: Barnes maze
Long Title: IUPAC Gold Book - Barnes maze
DOI: 10.1351/goldbook.11632
Status: current

Definition
Circular platform equipped with some 20 equidistant holes near the outer rim, one of which is marked by visual cues and is an escape hole for a rodent that is placed near the middle of the platform and subjected to an adverse stimulus, e.g., bright light.

Notes
1) Measured parameters include latency to escape, path length, number of errors, and velocity.
2) The test is used to evaluate cognitive deficits.

Related Terms
- cues: https://goldbook.iupac.org//terms/view/11702
- maze: https://goldbook.iupac.org//terms/view/11859

Source
- PAC, 2015, 87, 841. 'IUPAC Glossary of terms used in neurotoxicology (IUPAC Recommendations 2015)' on page 851 (https://doi.org/10.1515/pac-2015-0103)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/11632/html
- json: https://goldbook.iupac.org/terms/view/11632/json
- xml: https://goldbook.iupac.org/terms/view/11632/xml

Citation: Citation: 'Barnes maze' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.11632
License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms.
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Disclaimer: The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using.
Accessed: 2026-04-17T23:54:34+00:00