Avoid Brain Rot: How to Use AI Critically and Stay Sharp | From KD

Based on actual brain scans. Yes, there’s hope.

A recent MIT ChatGPT study found something weird. When students used ChatGPT to help write essays, their brain activity slowed down. A lot.

“Avoid Brain Rot: How to Use AI Critically and Stay Sharp — blog post graphic | “Quote image: If you always copy the smartest kid in class, you don’t learn anything — From KD.”

We’re talking:

  • Less memory function
  • Lower originality
  • Reduced engagement

Even after they stopped using AI, the effect lingered. That’s not a tech glitch. That’s brain rot.

But Wait! It’s Not Just AI’s Fault

The researchers were quick to clarify something important: It’s not that AI is evil. It’s that using AI without thinking changes how our brains respond.

That’s a little terrifying. But also… kind of empowering? Because it means you can choose to think with AI—not through it.

Enter the Smartest Kid in Class

AI is basically the smartest, fastest kid in class. And most people treat it like a cheat sheet. They copy. They paste. They move on. But if you’ve ever copied off the smart kid in school, you know one thing:

You don’t learn anything. You merely survive the test.

There’s a Better Way to Use AI

AI works best when you’re still thinking.

  • Ask it questions after you’ve outlined your own thoughts.
  • Use it to explore angles, not pick answers.
  • Think first, then prompt.

If you want to use AI wisely—without dumbing down your brain in the process—you need to keep your thinking active. You need to learn how to use AI critically. That’s what From KD is all about.

Tools That Help You Stay Sharp

I created From KD to give people something most AI tools don’t.

  • A way to think clearly before you prompt
  • A system that makes mental habits stick
  • Tools that help you lead, not just react

Start simple. Download the free Critical Thinking Habit Tracker. It’s printable, fast, and designed to rebuild the “pause before prompt” habit.

📘 Download the Free Tracker

Or check out the full Think Sharper: The Advanced Guide for Everyday Critical Thinking guide if you want frameworks and mental models that help you lead with clarity, even in a noisy world.

📘 Explore Think Sharper

Your Brain Still Matters

AI isn’t going anywhere. But neither is your brain. Let’s keep using it.

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