What if vision isn't a movie playing in your head but a rapid-fire sequence of information-gathering missions, each lasting a third of a second? Dana Ballard dismantles the saliency map paradigm and reveals how dopamine, uncertainty, and internal agendas govern where your eyes go next.

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Ballard opens with a fact most people find shocking: high-resolution binocular vision covers only about one degree of visual angle, roughly the width of a thumb at arm's length. Every third of a second, the eyes jump to a new fixation point, meaning vision is fundamentally discrete rather than continuous. The dominant saliency map theory proposes that eyes are drawn to visually complex regions, but Ballard champions the agenda-driven alternative: each fixation serves a specific task, ...