<p>All forms of recreational digital consumption ¿ whether on smartphones, tablets, game consoles or TVs ¿ have skyrocketed in the younger generations. From the age of 2, children in the West clock up more than 2.5 hours of screen time a day; by the time they reach 13, it¿s more than 7 hours a day. Added up over the first 18 years of life, this is the equivalent of almost 30 school years, or 15 years of full-time employment.</p><p>Most media experts do not seem overly concerned about this situation: children are adaptable, they say, they are ¿digital natives¿, their brains have changed and screens make them smarter. But other specialists ¿ including some paediatricians, psychiatrists, teachers and speech therapists ¿ dispute these claims, and many parents worry about the long-term consequences of their children¿s intensive exposure to screens.</p><p> </p><p>Michel Desmurget, a leading neuroscientist, has carefully weighed up the scientific evidence concerning the impact of the digital