Introducing The Brain Gardeners Who Improve Your Mental Fitness

From the world of neuroscience comes the news that while you sleep there are brain gardeners at work. Called microglial cells they prune your roses and pull up the dead weeds of your brain. This enables you to have the space to learn more new things, lose the old thoughts and erase information that is no longer required.

This is the fascinating subject of a recent Fast Company article by Judah Pollack and Olivia Fox Cabane who describe how your brain makes space to build new and stronger connections so you can learn more.

The article is reproduced below:

There’s an old saying in neuroscience: neurons that fire together wire together. This means the more you run a neuro-circuit in your brain, the stronger that circuit becomes. This is why, to quote another old saw, practice makes perfect. The more you practice piano, or speaking a language, or juggling, the stronger those circuits get.

The ability to learn is about more than building and strengthening neural connections

For years this has been the focus for learning new things. But as it turns out, the ability to learn is about more than building and strengthening neural connections. Even more important is our ability to break down the old ones. It’s called “synaptic pruning.” Here’s how it works.

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Published by Paul Lyons

Paul is an experienced chief executive, leadership coach and mental toughness professional and you can reach him at or

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