Risto

As far as [Dr. Dimitri] Christakis and his colleagues can determine, the only thing that baby videos are doing is producing a generation of overstimulated kids. "There is an assumption that stimulation is good, so more is better," he says. "But that's not true; there is such a thing as overstimulation." His group has found that the more television children watch, the shorter their attention spans later in life. "Their minds come to expect a high level of stimulation, and view that as normal," says Christakis, "and by comparison, reality is boring."