Mind uploading is the hypothetical process of scanning a biological brain in sufficient detail to emulate its structure and function on a computational substrate, producing a digital instantiation of an individual’s mind. It is a speculative concept central to transhumanist visions of substrate-independent consciousness and digital immortality. No current technology approaches the required resolution or theoretical understanding of consciousness.
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- Proposals span whole-brain emulation, gradual neuron-by-neuron replacement, and connectome scanning, each raising open questions about continuity of identity and the hard problem of consciousness. The concept remains philosophical and experimental, far beyond present neuroscience and computing capability.