frzrdoor2,
Get some foam ear plugs and try them. They can help almost anytime. I can wear them and participate in conversations. They reduce the background chatter very well. They can also be a good signal to others that you need some peace.
I find the yellow foam cylinders do the best. Twist them tight and insert them so they barely stick out, just enough to grab them to remove them. I bet you can wear them all day and still converse with others successfully.
Have you downloaded Dr Glen Johnson's TBI Survival Guide? It is at
www.tbiguide.com Print it out so you can highlight the important points so others can read it.
My best to you.