Smartphones have become so tied up in our lives that, even when we’re not peering or pawing at them, they tug at our attention, diverting precious cognitive resources. Just suppressing the desire to check a phone, which we do routinely and subconsciously throughout the day, can debilitate our thinking, the authors noted. The fact that most of us now habitually keep our phones “nearby and in sight” only magnifies the toll.
