Latently inhibited stimuli are weakened in their ability to serve as blockers and second-order reinforcers in Pavlovian fear conditioning

The ability of a preexposed (latently inhibited) conditioned stimulus (CS) to serve as (a) a blocker or (b) a second-order reinforcer in Pavlovian fear conditioning was tested in albino rats. Experiment 1 found that a preexposed CS was weakened in its ability to serve as a blocker. Experiment 2 foun...

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Bibliographic Details
Main Author: McPhee, Janice Elizabeth
Language:ENG
Published: ScholarWorks@UMass Amherst 1998
Subjects:
Online Access:https://scholarworks.umass.edu/dissertations/AAI9909188