Spiders appear to offload cognitive tasks to their webs, making them one of a number of species with a mind that isn’t fully confined within the head.
Source: A Mind Made Out of Silk
the bit about some bug escaping by the air pressure or sound, not processend by the brain but by the muscxles involved. i recall the cockaroaches move so fast by hairs on their hind legs driving a jumping process without involving the brain. but is this not “reflex?”
