Is it just the small details or are you missing large gaps?. Medically reviewed by Steven Gans, MDMedically reviewed by Steven Gans, MD. Our early childhood experiences shape our self-concept and engagement with the world. These memories are key to our identity development as we move into adulthood. As a therapist, I often help clients reflect on their past, as the past helps us understand the present. But what happens if a client can't remember their childhood?