1. Preconditioning CS exposure: Variation in place of conditioning and of presentation
- Author
-
D. Chris Anderson, Richard Formica, Vicki Caponigri, and Timothy O’Farrell
- Subjects
medicine.medical_specialty ,Communication ,business.industry ,General Chemistry ,Audiology ,Catalysis ,law.invention ,Operant conditioning chamber ,law ,Bar pressing ,medicine ,Conditioning ,Operant conditioning ,business ,Mathematics - Abstract
Two groups of rats were given preconditioning CS (PCS) exposures in an operant box after learning to bar press for food. One-half of two other groups were given similar PCS exposures in a holding cage, but otherwise were treated identically. One group that got PCS in the operant box and one that did not were given 10 CS-US (buzzer-shock) pairings in the operant chamber while the other two were identically conditioned in a cylindrical chamber. A fifth group got only the US. CS presentations following conditioning produced the most suppression of bar pressing for Ss that got no PCS, intermediate suppression if the PCS was given in the holding cage, and no suppression if preexposures occurred in the operant chamber. These effects were independent of place of conditioning.
- Published
- 1969