Another study showed 11 year-olds Another study showed 11 year-olds Research This article says that first babies have procedural memory Another study showed 11 year-olds Another study showed 11 year-olds Another study showed 11 year-olds a child's developing memory starts around 9 months This article says that first babies have procedural memory This article says that first babies have procedural memory This article says that first babies have procedural memory or later recall This article says that first babies have procedural memory