Cited by 5,822Neurotransmitter Receptor Influence on BehaviorNeuroscience and Neuropharmacology ResearchAnxiety, Depression, Psychometrics, Treatment, Cognitive Processes

Validation of open:closed arm entries in an elevated plus-maze as a measure of anxiety in the rat

Pellow, Sharon, Chopin, Philippe, File, Sandra E., Briley, Mike·1985·Journal of Neuroscience Methods

Abstract

A novel test for the selective identification of anxiolytic and anxiogenic drug effects in the rat is described, using an elevated + -maze consisting of two open arms and two enclosed arms. The use of this test for detecting such drug effects was validated behaviourally, physiologically, and pharmacologically. Rats made significantly fewer entries into the open arms than into the closed arms, and spent significantly less time in open arms. Confinement to the open arms was associated with the observation of significantly more anxiety-related behaviours, and of significantly greater plasma corticosterone concentrations, than confinement to the closed arms. Neither novelty nor illumination was a significant contributor to the behaviour of the rats on the + -maze. A significant increase in the percentage of time spent on the open arms and the number of entries into the open arms was observed only within clinically effective anxiolytics (chlordiazepoxide, diazepam and, less effectively, phenobarbitone). Compounds that cause anxiety in man significantly reduced the percentage of entries into, and time spent on, the open arms (yohimbine, pentylenetetrazole, caffeine, amphetamine). Neither antidepressants nor major tranquilisers had a specific effect. Exposure to a holeboard immediately before placement on the + -maze showed that behaviour on the maze was not clearly correlated either with exploratory head-dipping or spontaneous locomotor activity.

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Crossref · 10.1016/0165-0270(85)90031-7

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18 of 18 references verified0 citation errors · 0 not checkable

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  • The elevated plus-maze is based on the rat's natural conflict between its exploratory drive and its innate fear of elevated, open and novel spaces.

    “The elevated plus-maze is based on the rat's natural conflict between its exploratory drive and its innate fear of elevated, open and novel spaces (Pellow et al., 1985).”
  • In the elevated plus maze, anxious mice avoid the open arms of the maze in favor of the walled arms.

    “In the elevated plus maze (EPM), anxious mice avoid the open arms of the maze in favor of the walled arms35.”

    From Resolving the neural circuits of anxiety (2015) · cites this paper as [35]

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Authors
Pellow, S., Chopin, P., File, S. E., & Briley, M.
Affiliations
University of London (GB)
Corresponding author
Pellow, Sharon
Venue
Journal of Neuroscience Methods
Publisher
Elsevier BV
Published
1985-08
Volume
14
Issue
3
Pages
149-167
ISSN
0165-0270 (ISSN-L)
OpenAlex
W2041561931
Cited by
5,822
References
18
Citations by year
2026: 142 · 2025: 168 · 2024: 169 · 2023: 169 · 2022: 179 · 2021: 217 · 2020: 224 · 2019: 229 · 2018: 227 · 2017: 225 · 2016: 209 · 2015: 215 · 2014: 269 · 2013: 235 · 2012: 222
FWCI
11.20
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Neuroscience Methods (publishedVersion)
  • PubMed (publishedVersion)
Funders
Wellcome Trust
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes
Keywords
elevated plus maze, anxiety, open arm entries, anxiolytics, anxiogenic drugs, corticosterone, chlordiazepoxide, diazepam, phenobarbital, yohimbine, pentylenetetrazole, caffeine, amphetamine, antidepressants, antipsychotic drugs, locomotor activity, rat behavior
MeSH terms
Analysis of Variance, Animals, Anxiety, Behavior, Animal, Evaluation Studies as Topic, Light, Male, Psychological Tests, Psychotropic Drugs, Rats, Inbred Strains, Anti-Anxiety Agents, Rats

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