Date of Award:

5-2023

Document Type:

Thesis

Degree Name:

Master of Science (MS)

Department:

Psychology

Committee Chair(s)

Timothy A. Shahan

Committee

Timothy A. Shahan

Committee

Gregory J. Madden

Committee

Mona Buhusi

Abstract

Stimuli in the environment can come to influence motivation and behavior through a process known as Pavlovian conditioning. During Pavlovian conditioning, stimuli in the environment come to predict the availability of a reward. Two different procedures are used to investigate how stimuli can modify ongoing behavior and reward consumption, known as Pavlovian-instrumental transfer and potentiated feeding, respectively. In other procedures that investigate how stimuli modify behavior, certain time intervals during Pavlovian training can influence how much a stimulus can modify behavior. One of those intervals is the time between the presentation of a stimulus and the associated reward. This interval has been shown to influence both Pavlovian-instrumental transfer and potentiated feeding. The other interval, the time between the end of one stimulus and the beginning of the next, has not been investigated in regards to the aforementioned procedures. The current study assessed how differences in this interval altered Pavlovian-instrumental transfer and potentiated feeding. This interval did not affect Pavlovian-instrumental transfer in the current experiment. Potentiated feeding was not able to be assessed.

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