"After I read all the medical journals and watched all the documentaries, I still didn't understand the physical sensation of ticking and where it comes from and what it feels like"

In this quote, Robin Tunney is revealing her frustration and confusion about a specific physical sensation called "ticking." Regardless of her efforts to inform herself by checking out medical journals and viewing documentaries, she still can not totally understand the origin and experience of this sensation. This could suggest that the experience of "ticking" is complex and not easily discussed through research study and observation alone. Tunney's use of the word "still" suggests that she has actually put in a substantial amount of effort to comprehend this feeling, however has not succeeded. This quote highlights the restrictions of knowledge and the intricacy of human experiences.