Wahrnehmung und Sprache; Perception and language; Wahrnehmung (Erkenntnistheorie) ; Perception (epistemology) ; Language and perception ; Konzept (Spracherwerb) ; Concept (language acquisition) ; Category (language acquisition) ; Spracherwerb und neurologische Entwicklung; Language acquisition and neurological development; Sprache und Denken (Ontogenese) ; Language and thought (ontogenesis) ; Cognitive development; Language acquisition and cognitive development