Interesting sci-fi movie from the 1990s: “Dark City”. Aliens control a human population (the humans don’t know it) and the aliens experiment with human memory, trying to find out what makes us individuals (the aliens operate on a sort of hive mind). In the end, the aliens are defeated and a human explains that they were looking in the wrong place. It’s not our memories that makes us individuals, it is our heart/soul.
You are correct.
Gotta check out that movie.