Optogenetics, neuroscience’s hottest mind-control tool, just got a major update. Projecting 3D-light holograms—yes, holograms!—directly onto a mouse’s cortex, engineers at UC Berkeley instantaneously gained control of dozens of neurons at once. That’s not the impressive part. What’s incredible is that those neurons belonged to different networks, spread out over 50 different spots on a chunk … Continue reading Holograms Can Now Program Brain Activity—Are Fake Experiences Next?
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