BuildingNeuralNetworksResearch

Building Neural Networks Research

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Biological Neural Networks

• brain consists of *gray matter* and *white matter*

* gray matter is mostly collection of neurons
* white matter is mostly collection of myelinated (surrounded by matter like insulation) axons

• gray matter can be in form of *cortex* or *nucleus*

* in cortex neurons are layered
* in nucleus neurons are organized like cashew nuts inside a bowl

• cortex can be of different types

* *neocortex*, often called *cerebral cortex*
* allocortex
* mesocortex