sentences:  For example, children with learning difficulties have been found to exhibit persistent primitive reflexes.In addition, a persistent ATNR has been found to be associated with lower reading and spelling scores, and children with reading problems tend to display the Tonic labyrinthine reflex more than children without reading problems.Lastly, a relationship has been found between ADHD symptoms and ATNR persistence  and another between ADHD diagnosis and Moro and Galant reflex persistence.