Healthy humans cannot sustain unwavering focus on a single object.

Evidence

On the contrary, James came to believe that in the healthy state a human mind was basically incapable of simply “staying with” a discrete object for more than a moment. It was, in his view, in the essential nature of human cognition to be DYNAMIC, to be moving, to be constantly in what he called the “stream” of consciousness. The alternatives weren’t “focus” or “attention”—they were really just a kind of spirit-death. — The Friends of Attention, Attensity!, 501 (#corroborates, via linked claim)

Categorization

• XREF: connects to: Healthy human cognition is dynamic and incapable of static focus — The Friends of Attention, Attensity!: A Manifesto of the…, 501

Broader Connections

• Healthy human cognition is dynamic and incapable of static focus #corroborates (0.95) — The Friends of Attention, Attensity!, 501