FTA: Wearing a headband fitted with fibre-optics that emit light into the pre-frontal cortex of the brain, they were shown two drinks on a computer monitor, one after the other, and asked to make a mental decision about which they liked more. "When your brain is active, the oxygen in your blood increases and depending on the concentration, it absorbs more or less light," Luu says. "In some people, their brains are more active when they don't like something, and in some people they're more active when they do like something."
Small steps, guys. Small steps. This is just the begining. We're only going to get better, faster and more accurate at this sort of thing.
Still, I'm found of most things with a potential application to BMI . I'm really, really looking forward to immersive VR and a robot butler that'll get me a beer.
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