Dickinson says his next goal is to figure out how the fly's relatively simple nervous system transforms a visual input — swatter at 3 o'clock! (sciencemag.org)
So how does an octopus, with a far simpler nervous system, move its squishy appendages? (slate.com)
Collins» team observed that hydras, even with a relatively simple nervous system, could open their mouths to different degrees — sometimes narrower, sometimes wider. (scientificamerican.com)