Erstspracherwerb; First language acquisition; Ontogenese; Language acquisition ; Metalinguistic awareness (in children) ; Phonics (teaching of) ; Phonologische Bewusstheit (bei Kindern) ; Phonological awareness (in children) ; Focus on form (language teaching) ; Sprachbewusstsein (bei Kindern) ; Linguistic awareness (in children) ; Spracherwerb und neurologische Entwicklung; Language acquisition and neurological development; Sprache und Denken (Ontogenese) ; Language and thought (ontogenesis) ; Cognitive development; Language acquisition and cognitive development ; Dual language acquisition; Bimodal language acquisition; Spracherwerb (biling.) ; Language acquisition (biling.) ; Bilingual language acquisition ; English ; Italian