ELi5 Why we don’t remember our first four years since birth?

Question

ELi5 Why we don’t remember our first four years since birth?

In: 3

Answer 1

I have many (nontraumatic) memories going back to age 2 and even slightly before, so it definitely varies from person to person.

Answer 2

I have many (nontraumatic) memories going back to age 2 and even slightly before, so it definitely varies from person to person.