My understanding is that octopus arms are semi-autonomous and borderline 'intelligent' on their own. Each one is equipped with a sophisticated nervous system an

My understanding is that octopus arms are semi-autonomous and borderline 'intelligent' on their own. Each one is equipped with a sophisticated nervous system and can process a wide swath of sensory inputs. Severed octopus arms have been shown to behave as though they are connected to the intact octopus's brain. [1] [1] http://blogs.scientificamerican.com/octopus-chronicles/even-severed-octopus-arms-have-smart-moves/ http://blogs.scientificamerican.com/octopus-chronicles/even-...