“I thought you said you could just read his brain electronically,” protested Ford.
“Oh yes,” said Frankie, “but we’d have to get it out first. It’s got to be prepared.” “Treated,” said Benjy. “Diced.”
“It could always be replaced,” said Benjy reasonably, “if you think it’s important.”
“Yes, an electronic brain,” said Frankie, “a simple one would suffice.”
“A simple one!” wailed Arthur.
“Yeah,” said Zaphod with a sudden evil grin, “you’d just have to program it to say What? and I don’t understand and Where’s the tea? Who’d know the difference?”
“I’d notice the difference,” said Arthur.
“No, you wouldn’t,” said Frankie mouse, “you’d be programmed not to.”
- Hitch Hiker's Guide to the Galaxy.
Not actually about teleportation, but still apropos IMHO.