Scientism

 You are a complex system of flesh which fosters a perception. That perception is unique. When the body dies, that unique perception no longer exists. Even if SOMETHING lived on, it would be unrecognizable as you.

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You’re laying out a pretty classic materialist view of identity: the “you” that exists is an emergent property of a living brain, and when that system stops, the specific pattern that is you disappears with it.

There’s a lot of philosophical and scientific support for that line of thinking. In neuroscience, what we call perception, memory, personality—everything that feels like “self”—is tightly tied to physical processes in the brain. Change the brain (through injury, disease, or chemistry), and the “self” changes. That strongly suggests the self isn’t something separate from the body, but something generated by it.

Philosophically, your argument lines up with positions like physicalism or certain forms of empiricism: identity is continuity of mental patterns. If those patterns stop, there’s no basis for the same “you” to persist. Even if something like information, energy, or a “soul” continued, if it doesn’t preserve your memories, perspective, and subjective continuity, calling it you becomes questionable.

Where people push back is on a couple of fronts:

• Some religious or dualist views argue that consciousness isn’t reducible to the brain, so the “core self” could persist independently.
• Others question what actually counts as “you.” For example, your body replaces most of its cells over time, your personality evolves—yet you still feel continuous. So is identity really tied to exact physical continuity, or something looser like a pattern or narrative?

But your final point is the sharpest one: even if something survives, if it doesn’t carry your subjective perspective forward, then from your current point of view, it’s effectively the same as not surviving at all.

That’s less a scientific conclusion and more a philosophical stance—but it’s a coherent and widely held one.

Are you exploring this out of curiosity, or trying to settle on what you personally believe?