An essay on what thinking with an AI substrate does to the mind that keeps it. A second ground, a personal note-and-link system worked alongside an AI model, can grow a mind or quietly cost it. The essay names three costs that arise when the two strands blur: the atrophy of one's own reaching, the two-way handoff, and the compulsive pull to reach without rest. It holds that examination is the discipline that decides which, and that what an AI substrate ultimately puts at stake is not intelligence but authorship of the self. Part of the Permacognition series.
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Marissa Gates (2026) studied this question.
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