المصادر
https://plato.stanford.edu/entries/co...
https://www.psychologytoday.com/us/bl...
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https://en.wikipedia.org/wiki/On_the_...
https://en.wikipedia.org/wiki/Ren%C3%...
https://en.wikipedia.org/wiki/Pineal_...
https://en.wikipedia.org/wiki/Functio...
https://www.cs.helsinki.fi/u/ahyvarin...
http://blogs.discovermagazine.com/neu...
https://en.wikipedia.org/wiki/Neuron
https://en.wikipedia.org/wiki/Nervous...