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Updated: Aug 10, 2026

Moderate Prenatal Alcohol Exposure and Quantification of Social Behavior in Adult Rats
Published on: December 14, 2014
Ethanol preference in the rat as a function of photoperiod
Constant darkness did not reverse ethanol preference in rats, though intake decreased. Melatonin administration under normal light cycles also induced ethanol drinking, suggesting a link between light cycles and alcohol consumption.
Area of Science:
- Neuroscience
- Chronobiology
- Behavioral Science
Background:
- Altered light-dark cycles can influence behavior.
- Ethanol consumption is a complex behavior influenced by various factors.
Purpose of the Study:
- To investigate the effect of constant darkness on established ethanol preference in rats.
- To determine if melatonin administration influences ethanol drinking under normal photoperiods.
Main Methods:
- Laboratory rats with established ethanol preference were housed in total darkness.
- Ethanol intake was measured under constant darkness and normal photoperiods.
- Melatonin was administered to rats under normal light conditions.
Main Results:
- Constant darkness did not reverse the established preference for ethanol.
- A decrease in ethanol intake was observed in constant darkness.
- Melatonin administration induced ethanol drinking in rats under normal photoperiods.
Conclusions:
- Light-dark cycle manipulation does not reverse ethanol preference.
- Melatonin may play a role in the induction of ethanol drinking.
- Environmental light conditions can influence alcohol consumption behaviors.
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05:12Chronic Intermittent Ethanol Vapor Exposure Paired with Two-Bottle Choice to Model Alcohol Use Disorder
Published on: June 23, 2023
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