b'1. We gradually become less attentive as we age\\u2014and not just because we stop giving a damn. The phenomenon is due to a shrinking \\u201cuseful field of view,\\u201d the feature of visual attention that helps us recognize at a glance what\\u2019s important to focus on. Studies show that kids have a similarly limited field of view, hindering their ability to register the complete visual world around them.\\nLearn more about your ad choices. Visit podcastchoices.com/adchoices'