New AI Can Read Your Mind Using Light, Not Surgery
This could let paralyzed people type with their thoughts—no brain implants needed.
Deep Dive
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Key Points
- Scientists used harmless infrared light to read brain activity and identify single words like 'dog' or 'eat'.
- The method avoids surgery, making it safer and cheaper than brain implants.
- It's still early: accuracy is low, vocabulary is limited, and privacy risks need addressing.
Why It Matters
Could one day let paralyzed people communicate by thought, without surgery—but privacy and accuracy challenges remain.