A review of the validity and variability of the elevated plus-maze as an animal model of anxiety

Hogg, S

HERO ID

2224999

Reference Type

Journal Article

Subtype

Review

Year

1996

Language

English

PMID

8728535

HERO ID 2224999
Material Type Review
In Press No
Year 1996
Title A review of the validity and variability of the elevated plus-maze as an animal model of anxiety
Authors Hogg, S
Journal Pharmacology, Biochemistry and Behavior
Volume 54
Issue 1
Page Numbers 21-30
Abstract Despite or possibly by virtue of the fact that it is one of the most commonly used animal models of anxiety the Elevated Plus-Maze (EPM) results in a wide range of, often contradictory, results following pharmacological experiments. The responses from a questionnaire distributed to 65 groups that have published studies using the EPM in the past 3 years has, along with reference to published reports, enabled some conclusions regarding the influencing factors to be drawn. Some evidence for differential sensitivities between strains exists, with albino rats being more sensitive to the anxiolytic effects of 5-HT3 receptor antagonists and 5-HT1A receptor agonists than pigmented animals. Most important, however, is the manipulation of the animals prior to testing and the aversiveness of the test conditions themselves. Stressing animals before testing (e.g., by moving from holding to test room) or using more aversive test conditions (e.g., elevated light levels) increases sensitivity to potential anxiolytics. Animals that are habituated to gentle handling or tested in less aversive conditions (e.g., EPM with ledges) show reduced likelihood of anxiolytic responses with administration of 5-HT3 antagonists, 5-HT1A agonists, and benzodiazepines.
Pmid 8728535
Is Certified Translation No
Dupe Override No
Is Public Yes
Language Text English