An open letter signed by dozens of academics from around the world calls on artificial intelligence developers to learn more about consciousness, as AI systems become more advanced.
"It is no longer in the realm of science fiction to imagine AI systems having feelings and even human-level consciousness," it says.
Most experts agree AI is nowhere near this level of sophistication.
But it is evolving rapidly and some say developments should be paused.
By Zoe Kleinman for BBC News