Listening to the story of the sonic gun, the memories started coming back.

Four is when memory starts, but the memories from one's fourth year are not complete.

I panicked when my memories started to dissolve into the consciousness.

Even before the words came out, the memory started flooding back.

The memory does start to fail as you get older.

The memories had started small at first, shadows of experience that touched him and were gone.

"If my memory hasn't started to fail me, we're not all that far from the last known position of the Courageous."

"For those most upset by the death, though, it is usually weeks or months later that the vivid memories start to flow."

His memories slowly started to come back after he recognized Rachel at the hospital.

Scientists think your memory may start to go between ages 40 and 60.