Artem Kirsanov

Human brains are exceptional at learning new skills, but there are intrinsic limitations in neural circuits that can make certain patterns and behaviors impossible to master. A recent study reveals that our brain's physical wiring creates preferred pathways for neural activity, indicating fundamental constraints that neither strong motivation nor extensive practice can overcome. Understanding these limits could explain why some skills feel natural while others seem unattainable, emphasizing the biological nature of our learning capabilities.

Are There Limits What Brains Can Learn?

Our brain constantly decides which memories to keep and which to discard. Recent research highlights how the hippocampus and sharp wave ripples play a crucial role in selecting and consolidating important memories. During sleep, the hippocampus replays experiences in a compressed manner, aiding in memory storage by interacting with the neocortex. Awake ripples tag key events for later consolidation, ensuring efficient and prioritized memory retention.

Best of Artem Kirsanov — 2025