Why this vibration is the secret hack to boosts cognition? Here’s the neuroscience logic in plain language. 🧠 Your brain is mapped like a “body map.” Different zones of your skin feed different processing networks. That’s why where you apply vibration matters. ⚡ Rule of thumb (mapping principle): * ✅ Farther away from your body (hand / forearm) → tends to drive higher-level processing and cognitive performance * ✅ Closer to the body (upper arm / shoulder / trunk) → tends to drive balance coordi