Farrow had been diagnosed with a psychopathic personality disorder and his barrister argued it "substantially affected" his abilityto exercise self-control.
Children with good "executive function" skills, including self-control and the abilityto focus on tasks, tend to be more skillful liars, Dr. Talwar says.
Rodriguez, who began working with Li in August, has improved his charge's abilitytocontrol her emotions by giving her homework, including writing self-affirmations.