amnesia
memory loss
blackout

But memory loss can happen even before we hit our 50s.

They say that memory loss is the second thing to happen as you get older.

Has the memory loss been developing over weeks or months?

Some people also have memory loss and trouble thinking clearly.

"Any chance it could cause some kind of memory loss?"

After all, my computer hadn't shown any memory loss in years, which is more than I can say for myself.

Some doctors fear they cause memory loss in certain patients.

"But it cost 30 years of my life in memory loss."

"What does all this have to do with memory loss?"

Her loss of memory becomes, in a sense, my own.