The cageadopts thepress-in type seatdesign, which solves the problemsofdifficultdisassembly and high leakage of the traditionalthreadscrew-intypeseat and prolongs the service life.
Electrodes picked up the brain activity of the first rat, the "encoder", and fed it over the internet into the brain of its partner, the "decoder", which had the same levers in its cage but received no visual cues about which one to press.