Date of Award

Spring 5-5-2018

Document Type


Degree Name

Master of Arts (MA)



First Advisor

Peter Moller, PhD

Second Advisor

James Gordon, PhD

Academic Program Adviser

Diana Reiss, PhD


Darkness was used as a positive reinforcer in 14 Gnathonemus petersii fish in an object discrimination task. One subject showed a significant learning response. This study provides preliminary support for the use of darkness as positive reinforcement in weakly electric fish and presents potential areas of interest for future study.



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