Phil Kennedy no longer saw any other way to get the data. That was how one day he came to lie blissfully unconscious on an operating table in Belize while a neurosurgeon sawed off the top of his skull.
Last year, Kennedy, a 67-year-old neurologist and inventor, did something unprecedented in the annals of self-experimentation. He paid a surgeon in Central America $25,000 to implant electrodes into his brain in order to establish a connection between his motor cortex and a computer.
