# Whitepaper: Avoid extra connections

**URL:** <https://discourse.numenta.org/t/whitepaper-avoid-extra-connections/6885>\
**Category:** Getting Started\
**Created:** [December 4, 2019, 2:05pm UTC](https://discourse.numenta.org/t/whitepaper-avoid-extra-connections/6885 "2019-12-04T14:05:06Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![Bitking](https://yyz2.discourse-cdn.com/flex030/user_avatar/discourse.numenta.org/bitking/32/3099_2.png) [@Bitking](https://discourse.numenta.org/u/Bitking)\
**Post date:** [December 4, 2019, 3:54pm UTC](https://discourse.numenta.org/t/whitepaper-avoid-extra-connections/6885/5 "2019-12-04T15:54:30Z")

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The brain grows and shrinks connections dynamically every day.  
There is more than simple linear forgetting going on.

I imagine that there is a floor where you don’t completely drop a connection so it trains back up again very fast.

> [@TemporalMemory running very slow after long training](https://discourse.numenta.org/t/temporalmemory-running-very-slow-after-long-training/5052/34):
>
> Or you can take this a step further and have a nightly maintenance phase where you shrink all synapses!

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