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Ethanol as a reinforcer for rats: Effects of concurrent access to water and alternate positions of water and ethanol

✍ Scribed by Richard A. Meisch; Patrick Beardsley

Publisher: Springer
Year: 1975
Tongue: English
Weight: 457 KB
Volume: 43
Category: Article
ISSN: 0033-3158
DOI: 10.1007/bf00437609

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✦ Synopsis

Water and ethanol solutions were concurrently made available on a continuous reinforcement schedule to 4 food-deprived male albino rats during daily 1-hr sessions in an operant conditioning chamber equipped with 2 levers and 2 liquid dippers. The number of ethanol reinforcements substantially exceeded the number of water reinforcements for each rat at each concentration studied (8, 16, and 32 ~o w/v). Water reinforcements were low in number and did not vary with ethanol concentration. As the ethanol concentration was increased, the number of ethanol reinforcements obtained decreased, while the quantity consumed (mg/100 g of body weight/hr) increased. The highest rate of responding occurred at the beginning of the session.

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