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[ARTICLE · art-108197] src=justinmath.com ↗ pub= topic=artificial-intelligence verified=true sentiment=· neutral

Borrowed Brains

A blog post warns that relying on AI before thinking for oneself can lead to 'borrowed brain syndrome,' a phenomenon where AI replaces rather than amplifies mental effort. The author advises using AI as feedback after personal thought to grow mental muscles, comparing it to hiring someone to work out for you, which yields no personal strength gain.

read1 min views26 publishedAug 17, 2026

(Note: This is an AI-assisted teaser for my prior manual writing. If you like it and want to read more details about this topic/perspective, then check out my 100% manually-written blog and books!)

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If your first instinct is to ask AI before actually thinking for yourself, you might have borrowed brain syndrome. It’s not an official term, but it describes this phenomenon that’s becoming more and more common.

AI should amplify your thinking, not replace it.

Imagine hiring somebody to go to the gym for you.

The workout gets done. But you do not get any stronger, because you didn’t do the workout.

Your mental muscles are exactly the same.

If you want to grow them, you can’t just let AI do all the workouts for you. Here’s the trick: use the AI after you’ve thought, not before.

Use the AI as feedback on your own thinking. That’s how you leverage technology while continuing to grow your own brain.

Here are the 100% manually-written long-forms that this teaser is distilled from, if you want to dive deeper:

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