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A McGill University study found that heavier lifetime reliance on GPS caused worse spatial memory over time, showing that outsourcing a cognitive skill to technology degrades that skill, which suggests AI usage could similarly degrade thinking, debugging, writing, and reasoning abilities.

Citing McGill research showing GPS reliance degrades spatial memory over time, the speaker argues daily AI use likely degrades our ability to think, debug, write, and reason. ✦ AI generated

Host · Syntax · 2026-07-16 · original ↗

starts at this moment · 7:29

The more someone relied on GPS over their lifetime, the worse their spatial memory got. And a 3-year follow-up study showed the decline was steeper for heavier users. So, they didn't start out as bad navigators. GPS made them bad navigators. The brain stopped building mental maps because the phone was building them instead.

verbatim transcript · starts at 7:29

Transcript · around this moment

7:09the way that we move throughout the world is based on previous experiences. So, when you give a go at a problem that you know nothing about, you're using your prior experience. But, that means you get to more deeply integrated into your brain and and how everything works. Whereas, if you're just immediately presented with the information, let's say instruction from a teacher or let's say output from an AI, you don't have as

7:29many opportunities to link it back to prior experience, which solidifies that more in your overall understanding. And we actually already know what happens when you outsource cognitive skills to technology. There was a study done on GPS. Researchers at McGill University tested drivers and found that the more someone relied on GPS over their lifetime, the worse their spatial memory got. And a 3-year follow-up study showed the decline was steeper for

7:50heavier users. So, they didn't start out as bad navigators. GPS made them bad navigators. The brain stopped building mental maps because the phone was building them instead. And so now ask yourself, if GPS can degrade spatial reasoning in 3 years, what is AI doing to your ability to think, debug, write, and reason after using it every single day? Now, again, I want to push back against anyone thinking this new world of moving

8:13fast and generating 10x code and getting instant answers is the best version of how we work. I'm not arguing that everything needs to be a slog and you need to just stop using AI altogether. My main argument is that AI's ability to remove every single point of friction steals every opportunity from you for growth. Now, how can we fix this? Well, I think one of the obvious answers is to stop

8:33being so dependent on AI. Wrestle with problems. Try doing it the old way. Uh disable instant answers for search. And that will essentially force you into the old way of having to read the results and pick which ones you want to click on and then from there come to your own conclusions and really just spend that time solving your problems. And obviously, some of you have to work. You

8:53have a job. So, you may say, "Well, I'm forced to work quickly now that we have AI." But in an ideal world, you can talk to your managers. You can talk to anybody at your company that cares and let them know, "Hey, I feel like my skills are degrading. I actually want some time to work on me." And so maybe you have 2 days a week where you say,

9:10"This is a no AI day." May Maybe you can make it a thing at your office or at your work. Where you essentially say, "We're going to struggle all day today. But then tomorrow, we will use AI and and and it'll solve all the problems that we couldn't couldn't figure out today." And another thing you can do is put your AI in tutor mode. And that is give it

9:27have it give hints and ask Socratic questions instead of giving direct answers. I'll link some skills and prompts in the description that'll get you started with that. But evidence from the study I talked about at the beginning of the video showed that AI tutor mode improved practice scores by 127% compared to students using no AI at all. So, ultimately, AI was not the problem. Using it as a replacement for your own

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