Complex sentence: Her work began with her 1995 Master's thesis at The University of Chicago where she theorized how the processes of neurological development could underlie the enactment of Freud's theory of the Repetition Compulsion.
Split into simpler sentences: Her work began with her 1995 Master's thesis at The University of Chicago. She theorized how the processes of neurological development could underlie the enactment of Freud's Repetition Compulsion.