Retrograde amnesia is the inability to remember past experiences. It's different than anterograde amnesia, which is the inability to form new memories. Types of retrograde amnesia have different ...

While some decline in the ability to remember is a normal part of aging, for a subset of people, growing older brings the onset of neurodegenerative conditions such as Alzheimer’s disease. In such ...

Early one winter Sunday morning, I got out of bed at 5:30 to walk my dog; the next 8 to 10 hours of my life are a complete blank. My wife awoke to find me lying on a bed in another room about an hour ...