When the Hand Acts on Its Own: Alien Hand Syndrome Have you ever seen a hand move without the person’s intention? Grabbing, buttoning, even acting against the other hand — this is Alien Hand Syndrome. 🧠 A rare neurological condition characterized by involuntary but purposeful movements. 📍 Commonly associated with corpus callosum lesions, frontal lobe damage, or stroke. 💡 Clinical pearl: The hand is not weak or paralyzed — it’s a failure of motor control and interhemispheric coordination. 👇 E