Dr. Dimitri Christakis, who studies the impact of technology on the brain and is the director of the Center for Child Health, Behavior and Development at Seattle Children's Hospital, emphasized that teachers' views were subjective but nevertheless could be accurate in sensing dwindling attention spans among students.
His own research shows what happens to attention and focus in mice when they undergo the equivalent of heavy digital stimulation. Students saturated by entertainment media, he said, were experiencing a "supernatural" stimulation that teachers might have to keep up with or simulate.
The heavy technology use, Dr. Christakis said, "makes reality by comparison uninteresting."
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