Day 12: Place Cells - Where Memories Live in Your Brain
- Brenna Westerhoff
- Sep 14
- 4 min read
Jasmine was frustrated. "Mrs. Chen, I studied this chapter for an hour last night. I knew it! But now it's like it's completely gone."
Want to know the weird part? She probably did know it. But her brain filed it in a place she couldn't find again.
Let me tell you about place cells, and why where you learn might be just as important as what you learn.
The Neurons That Remember Where
Place cells are neurons that fire when you're in a specific location. Scientists discovered them in the hippocampus (your brain's memory center), and at first, everyone thought they just helped with navigation.
But here's the wild part: place cells don't just remember physical places. They encode memories WITH places. Every memory you have is tagged with location data, whether you realize it or not.
This is why you can walk into your childhood home and suddenly remember things you haven't thought about in decades. The place cells fire, and the memories come flooding back.
The Classroom Memory Problem
Here's what this means for your students: when they study at home, their place cells are encoding "kitchen table" or "bedroom" along with the information. But when they sit down to take the test in your classroom, different place cells are firing.
The information is there. It's just filed under "kitchen table," and their brain is looking under "classroom."
It's like saving a document to your desktop at home and then wondering why you can't find it on your work computer.
Why Some Kids Bomb Tests
This explains so much about test anxiety. It's not always that students don't know the material. Sometimes their brains literally can't access the information because the place cells aren't providing the right retrieval cues.
Think about it:
Study in quiet bedroom → Test in noisy classroom
Practice at home desk → Perform at school desk
Learn in comfort → Recall under pressure
Different places, different place cell patterns, different (or missing) access to memories.
The Reading Spot Phenomenon
You know how some kids have that one spot where they can actually focus and read? That corner of the library, that specific bean bag, that particular desk?
That's not just preference. Their place cells have learned to associate that spot with successful reading. When they sit there, their brain automatically shifts into reading mode.
Creating Memory Palaces in Your Classroom
Once you understand place cells, you can hack them for better learning:
The Geography of Your Room Different areas for different activities. Not just "reading corner" but:
Vocabulary wall (place cells associate this space with word learning)
Discussion circle (place cells prep for verbal processing)
Testing zone (place cells learn this space means retrieval)
Mental Location Tags When teaching important concepts, give them mental locations: "Imagine you're standing at the beginning of a story. That's exposition. Now walk forward - that's rising action."
You're deliberately engaging place cells to tag the information.
The Study Spot Strategy Tell students to study in multiple locations. Kitchen table, bedroom, living room, even bathroom (hey, whatever works). Each location creates a different place cell pattern, giving multiple retrieval pathways.
Better yet? Have them imagine they're in the classroom while studying at home. It sounds weird, but visualization activates place cells too.
The Movement Memory Hack
Here's something cool: place cells fire in sequences as you move through space. This is why walking helps you think - it's literally moving you through different place cell patterns.
So when kids are stuck? Have them walk through their learning:
Stand at the board for main ideas
Move to their desk for details
Walk to the door for conclusions
Their place cells create a path through the information.
Digital Learning's Hidden Problem
Online learning struggles partly because place cells get confused. Every lesson happens in the same physical space (wherever the computer is), so place cells can't create distinct memory tags.
This is why kids who did fine in-person suddenly struggle online. It's not motivation (okay, not just motivation). Their place cells are trying to file everything under "computer desk" and the filing cabinet is overflowing.
Solution? Change something for each subject:
Different room if possible
Different position (standing vs sitting)
Different background on the screen
Even different lighting
Give those place cells something to work with.
The Test Prep Secret
Before a big test, do something that seems weird: Have kids close their eyes and visualize walking through our classroom, remembering what we learned in each spot.
"Remember when we stood by the window learning about metaphors? Picture yourself there. What did we discover?"
I'm activating their place cells to unlock the memories tied to those locations.
Why Reading Spots Matter
That student who can't focus? Maybe they just haven't found their place yet. The one whose place cells say "this is where reading happens."
Try:
Let them explore different spots
Create cozy, defined spaces
Make spots feel different (lighting, seating, even smell)
Respect their spot once they find it
The Beautiful Connection
Your students' memories aren't just stored as information. They're stored as experiences in places. Every lesson you teach is being encoded not just as content but as "what happened in this place."
This means your classroom isn't just where learning happens. It literally becomes part of the memory itself.
So when Jasmine says she forgot what she studied? She didn't forget. Her brain just filed it somewhere she can't reach from where she's sitting.
Tomorrow, try this: teach your most important concept while everyone's standing in a unusual spot in your room. Two weeks later, have them stand in that same spot and watch what they remember.
You're not just teaching content. You're creating placed memories. And those place cells? They're turning your classroom into a living, three-dimensional memory palace where every corner holds a piece of learning.
That's not just neuroscience. That's magic.