How One Intelligent Machine Learned to Recognize Human Emotions

When It comes to communication, humans are hugely sensitive to each other’s emotional states. Indeed, most people expect their emotional state to be taken into account by their correspondents. And when this happens, communication tends to be more effective. So if computers are ever to interact effectively with humans, they will need some way of repeating this trick and assessing the emotional state of their interlocutors. Understanding whether an individual has a positive or negative state of mind could make a huge difference to the quality of response that a computer might give. But how to do this? One way of assessing a person’s state of mind is to analyze the electrical signals produced by the brain using an EEG machine. This can reliably reveal various aspects of brain state,…


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