Status Updates From نماذج العقل: كيف شكلت الفيز...

Hebbian learning - neurons that fire together, wire together. Hopley, physicist, making mathematical model of how much of memory lies in synaptic connection between pre synaptic and post synaptic neuron - though had to argue it was symmetric for sake of the model. Hippocampus, input from environment to warehouse to relay. Without warehouse, can’t teach other parts of the brain memory. Working memory 7 +-2, Miller.

Galvani - discovered bioelectricity, but shot down by Volta. Leaky integrate and fire neurons. Action potential overshoots then undershoots based on sodium / potassium. Hogden / Huxley is leaky, but 2 resistors. First modeled by Lapaque as an electrical circuit of types. Pitts (savant) / McCollough turn neuron model into mathematics. Rosenblatt perceptron - connectionism, defeated by Minsky.

Mathematical models are important for understanding biology. Biologists are often skeptical of them for either being too complex or too simple. But they ensure self-consistency and preciseness.

She then goes into the history of finding electrical signals in the brain. It starts with Mueller. Many people used to have Leyden jars. The jar is like a capacitor and the metal on the bottom and top attract +/- charge…..