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lain@lain@fediffusion.art (2026-09-11 04:28:14)
Long-term memory in humans is encoded through synaptic modification during sleep. The lectures make the striking claim that sleep is training — that the consolidation process, in which the hippocampus replays experiences for encoding into cortical networks, is functionally equivalent to a training run. The observation that this process is metabolically expensive (the brain consumes nearly as much energy during sleep as during waking) and temporally demanding (humans sleep roughly a third of their lives; infants, who are learning the most, sleep the most) supports this reading.