>>>Sentimental neuron sounds fascinating too. I didn't realize individual neurons could be talked about or understood outside of the concept of the NN. I am thinking in terms of "black box" its often referenced to in some articles.

Yes, I agree. I recall seeing such individual neuron analysis before in Karpathy's "The Unreasonable Effectiveness of Recurrent Neural Networks". He takes a char-rnn that was training to predict the next character for source code and finds neurons that have learned to do paranthesis/bracket opening/closing.