Living with SDAM means living without memories

I've heard of similar things from brain injuries, but never being born with it. Wow - that is weird.

Her semantic memory — the part that allows her to learn facts — is fine. Asking if she remembers her high school prom illustrates the difference between the two types of memory.

“If you ask me about prom, I know that I didn’t go to prom and I know that I decorated for prom. But that’s different from remembering anything about that,” she says.