"Until now, psychologists had thought the developing brains were not capable of the difficult art of lying until four years old." Where did the journalist get

"Until now, psychologists had thought the developing brains were not capable of the difficult art of lying until four years old." Where did the journalist get this bit of fiction from? One simple web search reveals this: "Children first begin lying verbally around age 3, the time when language development and the ability to control one's own mental skills combine to form a child's theory of mind. Also at this age, children have learned their parents' rules and the consequences of breaking them. So what does a child do when Mom finds a hand in the cookie jar? Lie." http://www.apa.org/monitor/jan08/liar.aspx http://www.apa.org/monitor/jan08/liar.aspx