Cognitive profile and neuropsychiatric disorders in Becker muscular dystrophy: A systematic review of literature

•Becker muscular dystrophy (BMD) is characterized by high rates of intellectual disability (range 7-25%).•IQ score distribution is wide, Verbal IQ scores are higher than Performance IQ scores.•About one out of three BMD children have symptoms referable to ADHD; speech disorders also have a high prevalence in this population.•BMD boys have high rates of emotional/behavioral disorders (23–67%), primarly depressive and anxiety features.•Lack of Dp140 or Dp71 can cause intellectual disability; and probably the other brain-related comorbidities as well.