How much information can you store in your brain? Scientists estimate it could be the equivalent of a petabyte, about 4.7 billion books. Imagine walking into the world’s largest library and discovering every shelf, every volume, every archive could be packed into the space between your ears. In other words, your brain has more storage than you could ever possibly fill. So, the problem is not capacity. The real challenge is getting information into long-term memory and making it stay there. That is where neurons come in.
You have about 86 billion neurons working for you. Each one is a tiny, specialized cell, but together they form a universe of connections that shape who you are and what you know. Think of a neuron like a tree. The axon is its trunk and branches, carrying signals outward. The dendrites are like roots and smaller branches, waiting to receive signals. And the dendritic spines, those tiny toes at the edges, are where the magic happens.
Every time you learn something, one neuron stretches out its axon branch to touch the dendritic spine of another. That point of contact is called a synapse. Imagine two dancers meeting in a single spark of movement, graceful, fleeting, and powerful. That is memory in action. Simple facts, like learning the Spanish word casa (house), might only take a few links in this neural dance. More complex ideas, like understanding osmosis or breaking down a painting into layers of color theory, require dense webs of interlaced connections. And here is the catch. If the links are weak, they fall apart. That is forgetting. To really learn, you need to strengthen the links until they become like sturdy bridges rather than fragile threads.
Forgetting is not a flaw in the system, it is a feature. Your brain is constantly sorting, sifting, and pruning connections. If it did not, you would be drowning in every random detail of every day. Forgetting helps you prioritize. The challenge is making sure the things you want to keep, your hard-won knowledge, your creative breakthroughs, your new skills, do not get lost in the pruning process. To do that, you need deliberate strategies that signal to the brain: “This matters. Hold onto this.”
So how do you build strong, lasting links? The answer is retrieval practice, testing yourself by pulling information out of your memory, not just reviewing it. Do not just reread your notes or highlight the textbook until it glows like a neon sign. That feels good, but it is passive. The real power comes from recall, quizzing, and self-testing. When you first encounter information, the link is fragile, like a spider’s thread in the morning dew. But every time you attempt to retrieve that information without looking at the answer, you thicken the thread, weaving it into something more like a rope. Do this enough, and those connections become steel cables.
That is why flashcards work so well for vocabulary. Why closing your book and forcing yourself to remember the main points works for reading comprehension. Why trying to solve a math problem before you peek at the solution deepens your understanding. Every act of retrieval is like lifting a weight. The more repetitions, the stronger the muscle. The more you practice recalling, the more durable the memory becomes. This is not just for students cramming for exams. For artists, makers, and creative learners, retrieval is a hidden superpower.
Try sketching a new method from memory the day after you learn it instead of following a tutorial step by step. Glance at a painting, then turn away and name the dominant colors, values, and contrasts. At the end of a studio session, close your sketchbook or step away from the easel. Jot down three techniques or insights you used without looking. These small acts of retrieval strengthen learning more than passive review ever could. They are the difference between dabbling and mastery.
Think about learning a song on the guitar. Playing along with YouTube feels good, but the moment of truth is when you put the screen away and try to play from memory. That is retrieval. Or picture training for a marathon. Running with a pacer or a friend is helpful, but the day you run the route alone, recalling pacing strategies on your own, you are building confidence that sticks. In every discipline, music, sports, writing, business, the principle is the same. You grow when you test your brain’s ability to stand on its own.
Since you have read this far, let’s do a mini-test. Without scrolling back, can you recall:
1. About how many neurons your brain has?
2. What the connection point between two neurons is called?
3. What retrieval practice actually means?
If you could answer even one, you have already strengthened the neural wiring around that idea. That is retrieval practice in action, simple but powerful.
Here is one of my biggest challenges, and I know I am not alone. Procrastination. Even when we know exactly what to do, procrastination shows up like an unwelcome studio visitor. You know the drill, you sit down to work, but instead of diving in, you clean your brushes, rearrange your pencils, or scroll through “inspiration” on Instagram, Pinterest, (insert your favorite) until an hour disappears. Procrastination is one of the biggest struggles learners and creators face around the world. It is not laziness, it is your brain dodging short-term discomfort. The good news is that there are proven strategies to outsmart it. That is where we will head in the next installment of this series.
As artists, makers, and lifelong learners, we cannot afford to ignore the science of how learning actually works. Whether you are mastering a new glaze technique, experimenting with mixed media, or teaching yourself a new app for digital art, retrieval practice keeps your skills sharp and your knowledge durable. Your brain is built for connection. The stronger the links, the more creative and confident you become. With strong retrieval habits, you stop second-guessing yourself and start trusting your instincts. So, pause for a moment. Test yourself. Can you recall the three parts of a neuron without looking? Can you explain retrieval practice to a friend? Can you apply it in your studio this week? If you can, you are already strengthening the wiring that fuels your creative brain. And that is the real work of making it stick.
Further Resources
Much of this series comes from the book Learn Like a Pro by Barbara Oakley and Olav Schewe. It is a fantastic resource for artists and lifelong learners. Here is my affiliate link if you would like to pick up a copy and support the work I do:
https://www.amazon.com/dp/1250799371
“Cipher” – Bridging Digital and Traditional Media