Xander can’t recall any memories before his third birthday party. This common condition is actually a form of what?

The inability to recall memories from the first few years of life is called childhood amnesia, also known as infantile amnesia. Since Xander cannot remember events from before his third birthday, the best answer is amnesia. Encephalopathy and dementia are disorders, while synesthesia involves experiencing one sense through another.

AI-written and checked against the verified answer.