<p>Yes, brain power is eroded via a lack of practice. This occurs through the processes called <strong>synaptic pruning and brain plasticity</strong>.</p>

<p>I will leave you with a very basic answer as I am unsure of your level of understanding of cognitive processes. First, you must understand <a href="http://www.ninds.nih.gov/disorders/brain_basics/ninds_neuron.htm">neurons</a>. Then, you can begin to understand <a href="http://www.foryourintelligence.com/why-is-brain-plasticity-important/">synaptic pruning and brain plasticity</a>. Finally, here is <a href="http://positscience.com/brain-resources/brain-plasticity">a link to a bunch more information and brain plasticity exercises</a>.</p>

CC BY-SA 3.0
2013-05-21T10:47:49.907Z
2013-05-21T15:03:21.677Z
2013-05-21T15:03:21.677Z
Shayna
<p>Not using your brain might well be deleterious, but it's impossible not to use your brain unless you're in a coma or something. There are some cool studies on plasticity (see Shayna's answer above) in amputees, where the parts of the brain that control the amputated limb go unused but are taken up by other functions instead.</p>

<p><em>However</em>, "perpetual brain exercises" like the brain training games/puzzles you see have shown no efficacy in actually increasing cognitive performance on any task, besides the specific game/puzzle you're playing. Playing a lot of chess does not make your brain any more powerful, it just makes you better at chess. See the following:</p>

<p><a href="http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2884087/">Owen, A.M., et al. (2010). Putting brain training to the test. <em>Nature, 465(7299)</em>, 775-778.</a></p>

CC BY-SA 3.0
2013-05-24T06:35:56.257Z
Thank-you abd! I suppose I should have added that perpetual brain exercise do not increase task performance... Keeping an active mind helps to keep our neurons active, which in turn helps to slow the process of synaptic pruning.
Shayna
CC BY-SA 3.0
2013-05-23T13:44:26.603Z
2013-05-23T13:44:26.603Z
adb
<p>Does not using the brain decreases mental functioning? If so, is it recommended to keep using the brain, for example by learning new things or engaging in challenging activities (puzzels, quizzes <em>etc</em>.) up until old age? </p>

<neuroscience><performance><educational-psychology><brain-training>
Does the "use it or loose it" principle apply to the brain?
siaooo
# Does the "use it or loose it" principle apply to the brain?

(Asked by: username_0 on 2013-05-20)

Does not using the brain decreases mental functioning? If so, is it recommended to keep using the brain, for example by learning new things or engaging in challenging activities (puzzels, quizzes *etc*.) up until old age?

**Tags:** neuroscience, performance, educational-psychology, brain-training


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## 2 answers

### Answer by username_1 on 2013-05-21. Score: 8

Yes, brain power is eroded via a lack of practice. This occurs through the processes called **synaptic pruning and brain plasticity**.

I will leave you with a very basic answer as I am unsure of your level of understanding of cognitive processes. First, you must understand [neurons](http://www.ninds.nih.gov/disorders/brain_basics/ninds_neuron.htm). Then, you can begin to understand [synaptic pruning and brain plasticity](http://www.foryourintelligence.com/why-is-brain-plasticity-important/). Finally, here is [a link to a bunch more information and brain plasticity exercises](http://positscience.com/brain-resources/brain-plasticity).


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### Answer by username_2 on 2013-05-23. Score: 8

Not using your brain might well be deleterious, but it's impossible not to use your brain unless you're in a coma or something. There are some cool studies on plasticity (see username_1's answer above) in amputees, where the parts of the brain that control the amputated limb go unused but are taken up by other functions instead.

*However*, "perpetual brain exercises" like the brain training games/puzzles you see have shown no efficacy in actually increasing cognitive performance on any task, besides the specific game/puzzle you're playing. Playing a lot of chess does not make your brain any more powerful, it just makes you better at chess. See the following:

[Owen, A.M., et al. (2010). Putting brain training to the test. *Nature, 465(7299)*, 775-778.](http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2884087/)

> **Comments:**
> **username_1**: Thank-you abd! I suppose I should have added that perpetual brain exercise do not increase task performance... Keeping an active mind helps to keep our neurons active, which in turn helps to slow the process of synaptic pruning.  

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