No Brainer.

For decades now, I have been haunted by the grainy, black-and-white x-ray of a human skull. It is alive but empty, with a cavernous fluid-filled space where the brain should be. A thin layer of brain tissue lines that cavity like an amniotic sac. The image hails from a 1980 review article in Science: Roger […]

Squids With Tasers.

A simple experiment, a famous fish. Electric eels, shocking their prey. Nothing to see here, right? “The mechanism of the eel’s attack is unknown”, Kenneth Catania states right off the top in his new paper in Science, and I admit I shrugged and thought What’s to know? What’s so mysterious about electrocution? But it turns […]

Psychotic Dreams and Strange Extremes

Where do you start with dreams? People say you’re asleep when you dream, but you’re not really; it’s just that the input you’re consciously processing is generated internally, instead of coming from outside. It’s a kind of consciousness that believes the most ridiculous things, though. Your best friend doesn’t look anything like your best friend […]

Posted in: neuro, Omniscience, sentience/cognition by Peter Watts 53 Comments