These are called motor command neurons that have been known for a long time. But what Rizzolatti found was a subset of these neurons, maybe about 20 percent of them, will also fire when I'm looking at somebody else performing the same action.
Acesti neuroni sunt numiti neuroni de comanda motorie si sunt cunoscuti de foarte multa vreme, Dar Rizzalotti a descoperit ca un subset din acesti neuroni, cam 20 la suta din ei, se vor activa si cand ma uit la altcineva care executa aceeasi actiune.