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Original Article

Squirrel Monkey Rail Test: A Design for Testing Dynamic Equilibrium

Pages 199-212 | Received 15 Dec 1967, Published online: 08 Jul 2009
 

Abstract

The squirrel monkey (Saimiri sciureus) rail test, which is based on the avoidance conditioning method, is designed to detect the disequilibrium that is exhibited by change in locomotor performance. The present procedure makes it possible to obtain quantitative and comparable data, and to compare compensation patterns after selective ablation of different parts of the vestibular system in subhuman primates. The representative data from several different groups (unilateral labyrinthectomy, unilateral utricular nerve section, unilateral saccular macula destruction, and unilateral stapedectomy) were presented to compare the effect of each surgical procedure upon the performance of squirrel monkey rail tests.

Le test de rail avec les Saimiri sciureus (squirrel monkeys), basé stir la méthode de conditionnement pour action d'éviter, est désigné à découvrir le déséquilibre qui se montre en changeant l'action locomotrice. Avec le procédé actuel il est possible d'obtenir des données quantitatives et comparables et de comparer les dessins de compensation après ablation sélective de différentes parties du système vestibulaire dans des primates presque humains. Les données, représentant plusieurs groupes différentes (unilatérale labyrinthectomie, unilatérale utriculaire section de nerf, unilatérale sacculaire destruction de maculae et unilatérale stapedectomie) furent présentées pour comparer les effets de chaque procédé chirurgicale sur le fonctionnement des Saimiri sciureus dans le test de rail.

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