What happens in the mind of someone who can memorize thousands of facts? A scientific study analyzed Nelson Dellis, a memory champion, using MRI scans. The goal was to discover the brain patterns behind his feats, which he developed through training after his grandmother's illness. The researchers compared his brain activity with that of people with good memory in memorization tests.
Technique vs. Repetition: The Brain's Fingerprint of Methods 🧠
In a simple memorization task using repetition, all participants showed similar activity in areas like the hippocampus, linked to navigation, and the prefrontal cortex, related to working memory. The key difference lies in the method. While most rely on repetition, Dellis uses the memory palace, a technique that associates information with familiar places. This activates brain networks more efficiently and sustainably, although it does not show a distinct brain anatomy.
Your Brain Already Has a Palace, But It's Probably Messy 🏰
Science confirms that the hardware is similar, but the software is different. While we try to remember our keys by repeating keys, keys, keys to the point of delirium, a mnemonist places them on the sofa in their mental living room, next to a giant elephant. The irony is that our brain is designed to remember spaces and absurdities, not to be a broken recorder. Perhaps the problem isn't memory, but that our inner palace has clothes scattered on the floor and we can't find anything.