Where Does the Will To Live Come From… in Humans and Nonhumans Alike?

Per Literary Hub, Melanie Challenger explores how humans and animals detect agency — that sense of intention and purpose. The brain has specific regions that activate when seeking the source of an action, but animals aren't interested in every movement; they're scanning for life itself, for entities with their own goals. Challenger shares a vivid example: her cat, Phoebe, mistook a vacuum cleaner for a living thing at first — it moved, made noise, consumed debris. But once Phoebe understood the machine served only her owner's purpose, not its own, the machine lost all interest. Humans take this tendency further. We're highly attuned to reading intention in others, a trait perhaps essential for a social species. As a result, we over-detect agency, seeing intentional expressions and faces everywhere — in clouds, oncoming cars, fire hydrants. This tendency strengthens the more uncertain our environment becomes.

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