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Giant Brain Candy: Fire Together, Wire Together. Connections used together grow stronger. Hebb proposed it in 1949, and in 1973 researchers saw it happen: bursts of repeated signals strengthened links between neurons in rabbits for up to ten hours. Source: Hebbian learning and LTP.
Strong evidenceThe research
  1. Hebb, D. O. (1949). The organization of behavior: A neuropsychological theory. Wiley.
  2. Bliss, T. V. P., & Lømo, T. (1973). Long-lasting potentiation of synaptic transmission in the dentate area of the anaesthetized rabbit following stimulation of the perforant path. The Journal of Physiology, 232(2), 331–356.

Journey 1 · Non-Consciousness

Fire Together, Wire Together

Connections used together grow stronger. Hebb proposed it in 1949, and in 1973 researchers saw it happen: bursts of repeated signals strengthened links between neurons in rabbits for up to ten hours.

Source: Hebbian learning and LTP · Strong evidence

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Giant Brain Candy: 86 Billion Neurons. Your brain holds about 86 billion neurons. Scientists counted them by dissolving brain tissue into a ‘soup’ of cell nuclei and tallying samples of it. Source: Counting the brain’s cells.
Giant Brain Candy: The Other 85 Billion. Neurons have partners: about 85 billion other cells, mostly glia — astrocytes, oligodendrocytes and microglia. The old claim of ten glia for every neuron turned out to be a myth. Source: Neurons and glia, counted.
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