In another life I was a Captain in the Gulf of Mexico. I used my limited licence to obtain an unlimited able seaman and sailed around the world. I expected to rise quickly to officer rank but I started having trouble remembering things. I found I could no longer remember Morse code and other things started to slip. People I had sailed with for years suddenly were hard to name. I had a case of aphasia while talking to my wife that lasted twenty minutes, I could only laugh and say no, no. She was crying and begging me to tell her what was wrong. Finally I began havingshort periods of blindness w...