# Fractal brain: neural ensemble tree replicated in dendritic tree?

**URL:** <https://discourse.numenta.org/t/fractal-brain-neural-ensemble-tree-replicated-in-dendritic-tree/6166>\
**Category:** General Neuroscience\
**Created:** [June 19, 2019, 12:03am UTC](https://discourse.numenta.org/t/fractal-brain-neural-ensemble-tree-replicated-in-dendritic-tree/6166 "2019-06-19T00:03:03Z")\
**Posts on this page:** 1\
**Showing post:** 20

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**Author:** ![bkaz](https://yyz2.discourse-cdn.com/flex030/user_avatar/discourse.numenta.org/bkaz/32/6455_2.png) [@bkaz](https://discourse.numenta.org/u/bkaz)\
**Post date:** [June 27, 2019, 9:36pm UTC](https://discourse.numenta.org/t/fractal-brain-neural-ensemble-tree-replicated-in-dendritic-tree/6166/20 "2019-06-27T21:36:08Z")

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Things like fire-separately, wire-together, for neuron-interneuron synapses?  
Recent discussion comes to mind:

> [@Neurons’ “antennae” are unexpectedly active in neural computation](https://discourse.numenta.org/t/neurons-antennae-are-unexpectedly-active-in-neural-computation/6121/7):
>
> Great, thanks Gary. But it’s weird that back-propagation is to remainder of the tree. It implies that adjacent but not spike-causing synapses are potentiated. Fire together, wire together would be reinforcing the spike-causing ones.

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