Do these conjoined twins share consciousness?

Susan Dominus has penned a remarkable piece for the New York Times about Krista and Tatiana Hogan, the 4-year old conjoined twin girls from British Columbia who are attached at the head. Scans show that the two girls have brains that are interconnected by a never-seen-before "thalamic bridge," an indication that they… » 6/05/12 4:40pm 6/05/12 4:40pm

Anesthesia unlocks a more primitive level of consciousness

If you've ever been put under anesthesia, you might recall a disoriented, almost delirious sensation as you wake back up. That feeling is more than simple post-surgery confusion: it's actually the brain reverting to a more primitive evolutionary state. » 4/04/12 3:30pm 4/04/12 3:30pm