"He seemed to be in a trance. Beside herself with panic, Susan had to shake the boy repeatedly to snap him out of it. Distraught, she could not understand how her once-healthy and happy little boy had become so addicted to the game that he wound up in a catatonic stupor."
From "It’s ‘digital heroin’: How screens turn kids into psychotic junkies," by Dr. Nicholas Kardaras in The New York Post.
ADDED: The purple-prose description, oddly enough, makes the mother sound more psychotic.