“…3 There is an ongoing discussion on whether using optogenetics as a therapeutic MMT will be possible in the future [1,[44][45][46][47][48][49][50]. There are several threads in this debate: safety concerns [44,47], technological obstacles to translating optogenetic techniques from animal models to humans [44,47], and issues associated with the nature of memory, e.g., whether it will be possible to: control specific memory contents in human brains [44,47], track complex autobiographical memories [44,49], or selectively erase particular autobiographical memories due to their 'non-local' nature [44,48,50]. 4 Optogenetics has been recently discussed as a tool that may help to solve conceptual puzzles regarding the nature of memory [51,52].…”