The mind is NOT (in my opinion) the source of, nor repository for, consciousness
past lives may turn out to be pods of consciousness -- which, translated, means our past life "connections" may be data sets we "align with" through a shared vibratory "signature"
it may be that we've lived before NOT in a one-to-one linear modality but, rather, our conscious "origin" (translated: soul or "spiritual essence") is accessed by multiple physical "Earthly" incarnations in some mad hatter space/time cosmic wi-fi stew
I "believe" in reincarnation but I do NOT believe in a one after another karmic waltz towards "release"
we vibrate at frequencies that are unique, yet "time shared" with others
those "others" are (in my "universe", anyway) our "past lives"