How to say "a thought" in French and rewiring the brain (neuroplasticity!)

Where is the mind located and do our thoughts really have substance--as scientists have observed? (A thought is a protein!) They say our thoughts can control our pain levels and more. I believe this, having used mind over matter while receiving several shots in the face while having skin cancer removed. Now if I could only train other parts of my brain--especially the emotional parts... More in today's edition. (After a late night out I'm running late on this edition. Please forgive any omiss...