Neuroplasticity
The brain's ability to change through experience and repetition throughout life.
Neuroplasticity is the brain's ability to change its structure and function through experience. Connections between nerve cells grow stronger when they are used often and weaker when they go unused. This adaptation continues throughout life. It is the biological basis for adults learning new patterns of thought and behavior.
Last updated: September 20, 2026 · Editorially responsible: MindBright editorial team
The lifelong changeability of the brain through what you repeatedly do.
Not a promise of unlimited malleability. Change takes repetition and time.
Because it explains why even ingrained patterns of reaction can change in adulthood.
Origin and research
In 2004, Bogdan Draganski and colleagues had adults learn to juggle over three months. Brain scans afterwards showed more gray matter in areas that process visual motion. After another three months without juggling, the gain had partly receded. The brain had measurably adapted to a new demand within three months.
Earlier, Eleanor Maguire had shown that London taxi drivers have an enlarged posterior hippocampus, the region that processes spatial navigation. Both studies point to the same principle: the brain builds up what is used and scales back what lies idle.
For high performers
Neuroplasticity works in both directions. Every reaction you repeat often under pressure becomes easier to call up, including an unhelpful one like cutting people off in meetings. That explains why ingrained reactions return so quickly under stress. New reactions follow the same rule once you repeat them often enough.
Your brain changes through what you do daily, not through what you intend. A new reaction takes hold when you apply it in many small situations, long before the big crisis arrives. Each repetition makes it a little easier to reach for next time.
Distinctions
vs. Growth mindset
A growth mindset is the belief that abilities can be developed. Neuroplasticity is the biological basis that supports this belief.
vs. Habit formation
Habit formation describes how behavior becomes automatic. Neuroplasticity describes what happens in the brain along the way.
vs. Learning
Learning is the process. Neuroplasticity is the property of the brain that makes it possible.
Frequently asked questions
Can the adult brain still change?
Yes. Studies show structural changes after just a few months of focused practice, for instance when learning to juggle. The brain stays adaptable throughout life, although change tends to require more repetition with age. Follow-up studies found such changes in older adults as well.
How can I increase neuroplasticity?
Through repetition, new challenges, and sufficient sleep, during which the brain consolidates what it has learned. Many studies also report benefits from physical exercise. Chronic stress, in turn, can make adaptation harder.
How long does it take to build a new habit?
It depends on the behavior. In a University College London study, participants needed a median of 66 days before a new habit ran automatically, with a wide range. Missing a single day made little difference.
Related terms
Further reading
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