How to pronounce “washing”(adj) in English

Stone Age Brain in the Screen Age: Coping with the Digital Distractions and Sensory Overload." - Your Stone Age brain in the age of screens.- Washing machines and appliances change every 5 or 10 years. The brain doesn't do that. Evolutiondoesn't say, oh, it's time for another memory module, a time for another language module.