Her major fields of interests combine issues relevant to disciplines of philosophy and psychology. Specifically her research focusses on concepts of subjectivity, identity and self. She approaches these topics from neurobiological and psychological, as well as philosophical perspectives. The crucial topics of her research concern debates related to questions of will, mind-body problem, as well as conscious and unconscious behavioural determinants.  

• Trzópek, J. (2003). Problem woli. Między antropologią filozoficzną a psychologią mechanizmów regulacyjnych [Problem of Will: Between Philosophical Anthropology and Psychology of Regulatory Mechanisms], Kraków: Press WUJ)

  Trzópek, J. (2006). Filozofie psychologii. Naturalistyczne i antynaturalistyczne podstawy psychologii współczesnej [Philosophies of Psychology: Naturalistic and Anti-Naturalistic Stances within Contemporary Psychology], Kraków: Press WUJ)

  Trzópek, J. (2013). Na tropach podnmiotu. Między filozoficznymi a empirycznymi ujęciami podmiotu [Searching for a Subject: Between Philosophical and Empirical Concepts of Subjectivity], Kraków: Press WUJ