Could a machine ever feel pain or pleasure? Could it have its own inner experience of the world? As artificial intelligence grows more fluent in conversation, reasoning and problem-solving, this question is migrating from science fiction to the lab. It is of particular interest to researchers probing the origins of consciousness.Could a machine ever feel pain or pleasure? Could it have its own inner experience of the world? As artificial intelligence grows more fluent in conversation, reasoning and problem-solving, this question is migrating from science fiction to the lab. It is of particular interest to researchers probing the origins of consciousness.Machine learning & AI[#item_full_content]