The impact of reading on brain development is a topic that has been researched for decades. Now that smartphones and tablets are more likely to be placed in the hands of a young child than a book, research has also been taking a look at the impact of screen time on developing brains.
The result has been a flurry of sometimes contradictory research. On the one hand, high quality programming can potentially be beneficial for children preschool age and older. On the other hand, low quality programming or too much programming can negatively affect children of any age.