I had at least a couple instances of this in the past. When I went to college, one day I went through my full day of classes. Next that I know I found myself in the cafeteria wondering how I got there. I did not remember any part of the day in my classes. Another was outside a restaurant. I remember walking out of this restaurant. I then found myself next to a car with keys in my hand. I did not recognize the car. I did not understand I had keys in my hand. I did not know where I was. I did not understand what I was doing there. The car turned out to be my car. At one time I was listening to a person at a table. I became sort of removed from what was happening. The person talking to me became part of the background with me not understanding what he was saying.

Is this is what dissociation is like?