In Isaac Asimov’s 1950 short story collection I, Robot, intelligent robots with positronic brains exist alongside humans. Unlike conventional computer hardware, the word positronic implies that electrical current is carried in the wires of these robots’ brains by positrons, the antimatter counterpart of the familiar electron. Though the advantage of antimatter here is anyone’s guess, the stories of I, Robot may have introduced the positron to the public. And as bizarre as Asimov’s fantasy sounds, neuroimaging has given the term “positronic brain” yet another meaning.
The minds of individuals are like parallel universes, forever inaccessible to one another. Never do we truly see through the eyes of another person. It is common for us to wonder if other people experience the world in the same way we do. Is your green my red? Is my yellow your blue?Continue reading