Answer:
Unconscious
Step-by-step explanation:
The example given in question statement is a representation of unconscious memory where a child now no longer accurately remembers about his early life
Implicit memory is also called unconscious memory. It is a stage where a person can perform an action without thinking if he actually remembers it or not. It does not stay in his mind like something you learn or cram rather it stays in the unconscious part of your memories