Abstract
Genetic selection work conducted in the Research Laboratories of State Alcohol Company (Alko Ltd), Helsinki, Finland, has resulted in the establishment of the ethanol sensitive Alcohol Nontolerant (ANT) and ethanol insensitive Alcohol Tolerant (AT) rat lines which differ in their sensitivity to ethanol induced motor impairment. These lines have been used in attempts to identify the mechanisms controlling ethanol induced motor impairment. The Alcohol Tolerant rats show a lower sensitivity to ethanol induced motor impairment on a tilting plane over a wide range of doses, but the lines do not differ in all behavioral measures of ethanol sensitivity. Furthermore, the Alcohol Tolerant line shows a higher capacity to develop acute tolerance and less calm behaviour, which may contribute to the line difference. Neurochemical work has shown differences in the functioning and sensitivity to ethanol of the catecholaminergic and GABAergic systems in the two lines, suggesting a role for both of these systems in the control of ethanol induced motor impairment.
Published Version
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