Analog computers receive continuous voltages or currents and output continuous voltages or currents, so feedback and feedforward simultaneously affect output and input. Simultaneous mutual interaction requires system governors to prevent stops or exponential increases.
Serial digital computers have clocks that step through algorithms in discrete isolated operations that wait for specific input and deliver specific output. Parallel digital computers use clocks and software to deliver inputs and use outputs when appropriate. Digital neural networks step through network layers, so inputs from one layer affect next layer.
Two neurons can exchange information in both directions. One neuron can send excitation directly to other neuron. Other neuron can send excitation directly to third neuron, which sends inhibition directly to first neuron. Brain electrochemical signaling continuously goes through many interconnected circuits simultaneously, so inputs continually affect outputs, and outputs continually affect inputs, unifying and nesting sensation and action and causing continual recursion {simultaneous mutual interactions and sensations}. Perhaps, mind requires simultaneous mutual interactions.
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Date Modified: 2022.0224