The elevated T-maze as a measure of two types of defensive reactions: A factor analysis

Abstract Using factor analysis, we investigated whether the defensive reactions seen in the elevated T-maze measure different behaviours. Rats were submitted to the elevated T-maze followed by the open-field test. Avoidance 1 and 2 loaded on the same factor, while escape 2 and 3 loaded on a second f...

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Bibliographic Details
Published in:Brain research bulletin 2008-07, Vol.76 (4), p.376-379
Main Authors: Torrejais, José Carlos Miranda, Rosa, Camila Castilho Machado, Boerngen-Lacerda, Roseli, Andreatini, Roberto
Format: Article
Language:English
Subjects:
Animal model
Animals
Anxiety
Anxiety - psychology
Avoidance Learning - physiology
Behavior, Animal - physiology
Factor Analysis, Statistical
Fear - physiology
Generalized anxiety
Male
Maze Learning - physiology
Models, Animal
Motor Activity - physiology
Neurology
Neuropsychological Tests
Neuropsychology - methods
Panic
Panic Disorder - psychology
Rats
Rats, Wistar
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Summary:Abstract Using factor analysis, we investigated whether the defensive reactions seen in the elevated T-maze measure different behaviours. Rats were submitted to the elevated T-maze followed by the open-field test. Avoidance 1 and 2 loaded on the same factor, while escape 2 and 3 loaded on a second factor. Baseline avoidance did not load together with locomotor activity in the open-field. These results indicate that the elevated T-maze generates two different defensive behaviours.
ISSN:0361-9230
1873-2747
DOI:10.1016/j.brainresbull.2008.03.016