Thanks for all your help. The suggestion to look at the negative aspects of the functions was very helpful, and that's what I did when I checked those links describing the specific functions. I readily identified with the Introverted Sensation and Extroverted Thinking.
I know it seems odd (or absurd) to anyone with a reasonable knowledge of the differing functions that I could possibly be confused as to which I most closely match. I'll spare you the details, but I am now just getting to the point in my life where I realize that's is safe to behave (and yes--even think) in a manner that is natural to me, rather than what has been forced on me and what I have chosen to do in the interest of self-preservation. I've only recently begun the process of sorting out "who I am" from "what I had to pretend to be". That's what led me here.
I'm grateful for all your respectful replies and the considerable knowledge you've freely shared.