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Instrumental learning for a thermal reinforcer in 1-day-old rats

✍ Scribed by Graham S. Flory; Cynthia M. Langley; John F. Pfister; Jeffrey R. Alberts

Publisher: John Wiley and Sons
Year: 1997
Tongue: English
Weight: 88 KB
Volume: 30
Category: Article
ISSN: 0012-1630
DOI: 10.1002/(sici)1098-2302(199701)30:1<41::aid-dev4>3.0.co;2-v

No coin nor oath required. For personal study only.

✦ Synopsis

One-day-old rats in a cool environment (25ЊC) quickly acquired an instrumental response when rewarded with a 20-s warming of the platform (from 25ЊC to 36ЊC) on which they lay. The instrumental response, turning the head to one side, was learned within 30 min after the thermal contingency began and extinguished when the contingency was reversed. This experiment demonstrates rapid operant learning by neonates in a task that does not contain a Pavlovian stimulus-reinforcer contingency. The novel experimental method has wide applicability in psychology and neuroscience.

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