> using live animals as the computational substrate. Use the visual cortex of one as the input, send the neural spikes to a second animals frontal lobe for computation and finally send those signals to a third animals motor cortex to physically press buttons.
That sounds terrifying.
It does but most of what we do to animals is terrifying. I could see why getting funding for this idea might not have been that easy though "I want to mind control three animals to play Doom" is certainly a pitch