>>14251544The universe itself is literally a brain. Large-scale cosmic structures look like neural tissue because they very explicitly are.
The universe flares into existence, experiences heat death, and then when all matter has decayed and all massless particles are on non-intersecting paths, Lorentz contraction means that they're all right back to occupying the same point, and another big bang happens. The world-brain experiences short bursts of cognition in the early stages of each universe, then goes dormant, and the pattern of its consciousness persists in the variations of frequency and density that impact the formation of the next universe.