Large language models like ChatGPT are designed to be eerily human-like. The more you engage with these AIs, the easier it is to convince yourself that they’re conscious, just like you.

But are you really conscious? I’m sure it feels like you are, but how do you actually know? What does it mean to be conscious, anyway? Neuroscientists have been working to answer these questions for decades, and still haven’t developed a single, universally accepted definition—let alone a way to test for it.

Still, as AI becomes increasingly integrated into everyday life, one has to wonder: Could these bots ever possess the self-awareness that we do? And if so, how would we know?

For this Giz Asks, we asked neuroscientists what it would take to convince them that an AI is conscious. Each of them high

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