brain-inspired AI
Brain-inspired AI is artificial intelligence that borrows its design ideas from how living brains work, rather than from ordinary computer engineering. Most familiar AI runs as math on standard computer chips. Brain-inspired AI instead asks a simpler question: the brain is the only thing we know that is truly good at learning, seeing, and acting in a messy world, so why not copy the tricks it uses? Think of it like an aircraft designer studying a bird's wing — you do not need feathers, but the shape and motion teach you something about flight.
In practice this means imitating a few key features of real brains. Brain cells, called neurons, do not send steady signals; they fire short electrical blips, or spikes, only when something matters, which saves enormous energy. The connections between neurons, called synapses, grow stronger or weaker as you learn, so memory and computing happen in the very same place instead of being shuttled back and forth. Brain-inspired systems try to copy these habits — spiking signals, local learning, and tight packing of memory with processing — sometimes in software and sometimes in special chips. The hoped-for payoff is hardware that learns continuously and runs on a tiny fraction of the power that today's data-center AI consumes, closer to the roughly twenty watts a human brain uses.
Brain-inspired AI does not aim to copy the brain neuron-for-neuron; it borrows useful principles, much as airplanes borrow from birds without flapping their wings.