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  • https://docs.google.com/document/d/1VxB0Rc1wg_3pzG31eFACum5bQJwZzwXC0C8HEVw9AHQ/edit?usp=sharing)Neural Networks and Natural Language Processing
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Below, an image that depicts the human neuron:


And


The McCulloch-Pitts neuron works like a logic gate, where:

  • The dendrites are the inputs
  • The axon is the output that can be linked to other neurons
  • The nucleus of the cell receives all the inputs

Furthermore, if the accumulated signal, in the nucleus, exceeds a threshold an output signal is generated and that will be passed on by the axon.

A logic schema below:


Image Added


Where:

  • x1, x2 … xn are the input values
  • w1, w2 … wn  are the weights on each inputs
  • sum = x1 * w1 + x2 * w2 + … + xn * wn 
  • if sum > threshold output is 1 (or true) else it is 0 or (false)