Set in the not-too-distant future, Spike Jonze’s film “Her” explores the romantic relationship between Samantha, a computer program, and Theodore Twombly, a human being. Though Samantha is not human, she feels the pangs of heartbreak, intermittently longs for a body and is bewildered by her own evolution. She has a rich inner life, complete with experiences and sensations.

Might we humans be able to upload our minds to computers, perhaps to join our digital lovers in the virtual universe?

​“Her” raises two questions that have long preoccupied philosophers. Are nonbiological creatures like Samantha capable of consciousness — at least in theory, if not yet in practice? And if so, does that mean that we humans might one day be able to upload our own minds to computers, perhaps to join Samantha in being untethered from “a body that’s inevitably going to die”?

This is not mere speculation. The Future of Humanity Institute at Oxford University has released a report on the technological requirements for uploading a mind to a machine. A Defense Department agency has funded a program, Synapse, that is trying to develop a computer that resembles a brain in form and function. The futurist Ray Kurzweil, now a director of engineering at Google, has even discussed the potential advantages of forming friendships, “Her”-style, with personalized artificial intelligence systems. He and others contend that we are fast approaching the “technological singularity,” a point at which artificial intelligence, or A.I., surpasses human intelligence, with unpredictable consequences for civilization and human nature.

Is all of this really possible? Not everyone thinks so. Some people argue that the capacity to be conscious is unique to biological organisms, so that even superintelligent A.I. programs would be devoid of conscious experience. If this view is correct, then a relationship between a human being and a program like Samantha, however intelligent she might be, would be hopelessly one-sided. Moreover, few humans would want to join Samantha, for to upload your brain to a computer would be to forfeit your consciousness.

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