:::Treeleaf Zendo forums will be closed during the observation of our annual Rohatsu Retreat.:::
:::The forum will be closed to posting from Friday 11:30PM EST until Sunday 6:00PM EST.:::
If you would like to join in from home, the entire retreat will be netcast live (as well as available for viewing and sitting after) at the following link:
Wow. I just read a Teisho by Nishijima Roshi mentioning the autonomic nervous system.
I'm reading this document about it: