“…For example, a problem that is closely tied to research on tracking is the persistence question (Olson, /2010), also known as the reidentification question , which queries what makes a person at time t 0 the same person as a person at time t − 1 and/or time t + 1 . The philosophical theories that address the persistence question have investigated a wide range of criteria for personal persistence, including causal contiguity (Nozick, ; Rips et al., ; Sagi & Rips, ), organismic continuity (DeGrazia, ; Wilson & Barker, /2013), and psychological connectedness (e.g., Brook, ; Parfit, ; Shoemaker, ).…”