# A wiring diagram is a milestone, not a mind upload Demonstrated mapping; speculative extrapolation. The 2024 adult fruit-fly brain reconstruction reported 139,255 neurons and approximately 54.5 million synapses. Its companion annotation paper organized cell types and made the wiring resource more interpretable. This is a major achievement in mapping a nervous system at synaptic resolution. The reported measurements describe Drosophila melanogaster, not a complete Homo sapiens brain. Canonical page: https://givegigs.com/wiki/necro-chapter-connectomics Last updated: 2026-11-09T18:58:11.921Z Parent topic: [necromancer-neuroscience](https://givegigs.com/wiki/necromancer-neuroscience) ## Contents - [Overview](#wiki-section-overview-1) - [Chapter notes](#wiki-section-chapter-notes-2) - [Dossier section](#wiki-section-dossier-link-3) ## Overview Demonstrated mapping; speculative extrapolation. This page expands the “A wiring diagram is a milestone, not a mind upload” chapter in the neuroscience collection. ## Chapter notes The 2024 adult fruit-fly brain reconstruction reported 139,255 neurons and approximately 54.5 million synapses. Its companion annotation paper organized cell types and made the wiring resource more interpretable. This is a major achievement in mapping a nervous system at synaptic resolution. The reported measurements describe Drosophila melanogaster, not a complete Homo sapiens brain. The inference relevant to Necromancer is that mapping, modeling, and recovering an individual must remain separate claims. A map can constrain scientific hypotheses without establishing that every state relevant to memory or consciousness has been captured. Likewise, a computational model that reproduces some outputs does not by itself demonstrate continuity with the original organism. A practical early contribution could be software that aligns functional recordings with anatomical measurements, tracks uncertainty, and makes comparisons auditable. This supports an honest business around research infrastructure. It does not require claiming that neural data is a portable anima, or that a sufficiently detailed dataset can already be used to restart a dead individual. ## Dossier section [Open this exact section in the Necromancer dossier](/necromancer#connectomics). The original chapter status is “Demonstrated mapping; speculative extrapolation.” ## Sources - [Neuronal wiring diagram of an adult brain](https://www.nature.com/articles/s41586-024-07558-y) - [Whole-brain annotation and multi-connectome cell typing of Drosophila](https://www.nature.com/articles/s41586-024-07686-5) --- This article is collaboratively maintained. Check the canonical page and cited sources for the latest context.