STEREOTYPIC CIRCLING BEHAVIOR IN MICE WITH VESTIBULAR DYSFUNCTION: ASYMMETRICAL EFFECTS OF INTRASTRIATAL MICROINJECTION OF A DOPAMINE AGONIST
- 1 January 2007
- journal article
- Published by Taylor & Francis in International Journal of Neuroscience
- Vol. 117 (7), 1049-1064
- https://doi.org/10.1080/00207450600936874
Abstract
Bronx Waltzer (bv) mouse, which has been used as a model of hearing and vestibular dysfunction, shows remarkable repetitive circling behavior. This study investigated whether the behavior is caused by the asymmetry of striatal function by observing the behavior of the bv mice following microinjection of dopamine D1 agonist, A68930 into the striatum ipsilaterally and contralaterally to the preferred direction of rotation separately. High dose of the drug induced opposite effects on ipsilateral rotations by the side of injections with statistical significance (p = .0026). These results suggested that the stereotypic circling behavior involves striatum and is based on striatal asymmetry.Keywords
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