Word level test ; Lexicon (mental) ; Logogenmodell; Lexicon (psycholing.) ; Representation (semant.) ; Semantic representation ; Spracherwerb und neurologische Entwicklung; Language acquisition and neurological development; Sprache und Denken (Ontogenese) ; Language and thought (ontogenesis) ; Cognitive development; Language acquisition and cognitive development ; Spracherwerb (lex.) ; Language acquisition (lex.) ; Vocabulary (language acquisition) ; Williams syndrome ; Word deafness; Lexikalischer Zugriff (pathol.) ; Lexical access (pathol.) ; Word recognition (pathol.)