EP# 80 : How to Improve Learning Effectiveness Part 3: Using Your Senses to Hack Your Brain’s Efficiency

Let me start today's episode by asking you a question. Have you ever felt like you were just... "pushing too hard"?
Imagine this: You’re studying for a big professional certification, or maybe you’re trying to master a brand-new language. You sit down at your desk, determined. You’re memorizing facts like your life depends on it. You’re sweating, your head is buried in your books, and you stay there until the sun goes down and the stars come up. You feel like you’ve conquered the world!

You see, your brain is a bit of a snob. It’s very picky about who it lets into the party. If it doesn't recognize a piece of information, or if that information feels "unfamiliar," your brain simply keeps the door locked tight. If you don't know how to "talk" to your brain, all that hard work you're doing is just banging on a door that’s never going to open.

In today’s episode, we’re going to talk about a book that will give you the "VIP Pass" to enter your brain’s inner sanctum. We’re continuing our look at the fascinating insights from Amazing Memory Techniques Only Top Medical Students Know.
We’re going to answer the big question: Why is rote memorization so useless? And more importantly, how can we crack the code of the brain's "foreign body rejection" mechanism?
The first core concept we need to understand is the "Arousal Level" and the "Warm-up."

Now, as a neuroscientist, the author of this book has a very important message: Your brain is not a modern light switch. You can't just flip it "on" and expect to be in a peak state of genius immediately. Instead, your brain is much more like an old-fashioned, vintage engine. It needs a proper "warm-up" period before it can run at full speed.
Think about the last time you tried to study right after a long, exhausting day at the office. You’re staring at the page, but the words just seem to be... floating. They’re dancing around, but they’re not going in. Why? Because your "Arousal Level" is too low.

This brings us to a very cool bit of science called the Reticular Activating System, or the RAS. Think of the RAS as the gatekeeper of your brain. Its job is to manage your brain's efficiency.

The secret is: Use your body to lead your brain.
In the title of today’s episode, I mentioned "Moving your hands, moving your mouth, and using your senses." This isn't just a catchy phrase; it’s a biological hack. When we involve our physical bodies—whether it’s writing by hand, speaking out loud, or even just shifting our posture—we send physical signals back to the brain. These signals act like a "jump start" for that old engine.

Instead of just sitting still and trying to "force" information in through your eyes, try engaging more of your senses. Talk to yourself about what you’re learning. Draw a quick diagram. Use different colored pens. By doing this, you aren't just "reading"—you are "experiencing" the information. You’re telling your brain, "This is important! Look at all these senses I'm using!"

When you increase that arousal level through physical action, you’re basically warming up the engine and opening the gates. Suddenly, that information doesn't look like a "foreign object" anymore. It looks like a guest that belongs at the party.
As we wrap up today's session, I want you to remember that learning shouldn't feel like a war against yourself. If you find yourself hitting a wall, stop "pushing." Take a moment to warm up that engine. Move your body, engage your senses, and give your brain the "VIP Pass" it needs to truly absorb the world around you.
Next time, we’ll dive even deeper into specific sensory tricks you can use to make your memory even sharper.