Representation (of number) ; SNARC effect; Number (conception of) ; Rechnen (psycholing.) ; Calculation (psycholing.) ; Language and mathematics ; Visuelle Wahrnehmung (von geschriebener Sprache) ; Visual perception (of written language) ; Reading (psycholing.) ; 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