Filtering by: Committee Berns, Gregory, Emory University Remove constraint Committee: Berns, Gregory, Emory University Committee Hamann, Stephan, Emory University Remove constraint Committee: Hamann, Stephan, Emory University Department Psychology Remove constraint Department: Psychology Keyword motivation Remove constraint Keyword: motivation Research Field Psychology, Experimental Remove constraint Research Field: Psychology, Experimental Research Field Psychology, Psychobiology Remove constraint Research Field: Psychology, Psychobiology Submission Type Dissertation Remove constraint Submission Type: Dissertation