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Determining The Effects Of Castration And Estrogen Replacement On Habit Development In Adult Male Long Evans Rats, Francesca Carasi-Schwartz

Graduate College Dissertations and Theses

During instrumental learning, behavior transitions from goal-directed actions to habits. Goal-directed behavior is driven by the value of the outcome while habitual responding develops with increased training and is characterized by the automaticity with which it occurs independent of outcome value. The dorsal striatum, one of the many regions of the brain that has been implicated in the conversion of goal-directed actions to habits, is sexually dimorphic, and ovarian hormones are known to modulate the expression of habit in females. The present experiments were performed to begin deciphering how gonadal steroid hormones influence habit development in male rats. In each …