This article reviews the literature and presents some unpublished data on the CNS effects of alcohol at doses not producing tolerance and dependence. The available evidence indicates that the effect of low doses of ethanol may qualitatively differ from those produced in animal models mimicking alcoholism. For example, rats exposed for two months to alcohol in drinking water at a concentration (3%) not inducing tolerance or dependence, as assessed by lack of withdrawal signs upon treatment suspension, appear to be less stressed in the two-way avoidance-learning tests. Accordingly, the treated rats perform better and learn faster then sucrose-fed controls, while this behavior is disrupted by high levels of ethanol intake. These initial observations suggest that discontinuity may exist between the effects of low and high doses of this substance and underscore the need to expand research on the effects of alcohol on the CNS to include the bottom end of the dose-response curve

Alcohol and the brain: setting the benefit/risk balance / Govoni, S; Trabucchi, M; Cagiano, R; Cuomo, Vincenzo. - In: ALCOHOL. - ISSN 0741-8329. - STAMPA. - 11(3):(1994), pp. 241-246. [10.1016/0741-8329(94)90037-X]

Alcohol and the brain: setting the benefit/risk balance

CUOMO, VINCENZO
1994

Abstract

This article reviews the literature and presents some unpublished data on the CNS effects of alcohol at doses not producing tolerance and dependence. The available evidence indicates that the effect of low doses of ethanol may qualitatively differ from those produced in animal models mimicking alcoholism. For example, rats exposed for two months to alcohol in drinking water at a concentration (3%) not inducing tolerance or dependence, as assessed by lack of withdrawal signs upon treatment suspension, appear to be less stressed in the two-way avoidance-learning tests. Accordingly, the treated rats perform better and learn faster then sucrose-fed controls, while this behavior is disrupted by high levels of ethanol intake. These initial observations suggest that discontinuity may exist between the effects of low and high doses of this substance and underscore the need to expand research on the effects of alcohol on the CNS to include the bottom end of the dose-response curve
1994
CHRONIC ETHANOL TREATMENT; BEHAVIORAL TESTING; ANXIETY; DOPAMINERGIC TRANSMISSION
01 Pubblicazione su rivista::01a Articolo in rivista
Alcohol and the brain: setting the benefit/risk balance / Govoni, S; Trabucchi, M; Cagiano, R; Cuomo, Vincenzo. - In: ALCOHOL. - ISSN 0741-8329. - STAMPA. - 11(3):(1994), pp. 241-246. [10.1016/0741-8329(94)90037-X]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/38751
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