a neurological foundation for ethics and morality ?

It's not so far fetched:  https://library.minlib.net/record=b2901841~S1 
Patricia Churchland.

The story goes back to the conversation Socrates has with Euthyphro on his way to court, to face the charges that will condemn him to execution by poison.

self expression as therapy ?

http://www.cnn.com/2011/HEALTH/06/29/writing.healing.enayati/index.html?

maybe that is part of the reason blogging, tweeting, and facebook are so popular