Spracherwerb und neurologische Entwicklung; Language acquisition and neurological development; Sprache und Denken (Ontogenese) ; Language and thought (ontogenesis) ; Cognitive development; Language acquisition and cognitive development ; Baby talk; Motherese; Child-directed speech; Ammensprache; Babysprache; Infant-directed speech; Fatherese; Language spoken to children ; Spracherwerb (lex.) ; Language acquisition (lex.) ; Vocabulary (language acquisition) ; Einstellungsverben; Psych verbs ; Emotionswort; Sprache und Emotion; Language and emotion; Liebe (lex. F.) ; Love (lex. f.) ; Emotions (terms for) ; Affect (lex. f.) ; Semantic fields