ECT definitely messed up my memory. I don't remember much from the first year my husband and I were dating. I forgot how to get to my old job and around the town I grew up in. But it came back eventually. But I fully believe that depression messes up memory too. Since I became depressed at 13 there are distinct periods where I can"t remember what happened. Like most of my freshman year in high school and all of 2006. I remember specific events but have no timeliness to put hem on unless I take out a calendar. In fact this happened to me recently. I just realized a couple of weeks ago that I don't know what happened in January and February. I have no idea what I taught in my classes or anything. I know because I can look at my plans but I only vaguely remember actually doing it. So I know what you mean. It's scary when it happens