History of linguistics (19th century) ; Phylogenese; Language origin ; Tiersprache; Animal communication; Vogelgesang; Birdsong; Zoosemiotics ; Evolution (theory of) ; Theory of evolution ; Körpersprache; Chronemics; Kinetik; Kinesics; Nonverbal communication ; Spracherwerb und neurologische Entwicklung; Language acquisition and neurological development; Sprache und Denken (Ontogenese) ; Language and thought (ontogenesis) ; Cognitive development; Language acquisition and cognitive development ; Learnability (of language) ; Lernbarkeit (von Sprache) ; Spracherwerb (Theorie) ; Language acquisition (theory of) ; Poverty of the stimulus-argument; Theory (language acquisition) ; Innate ideas hypothesis; Poverty of the stimulus-argument; Lernbarkeit (von Sprache) ; Learnability (of language) ; Nature/nurture; Logisches Problem (Spracherwerb) ; Logical problem (language acquisition) ; Nativist hypothesis ; Sprachlernfähigkeit; Sprachfähigkeit; Chimpanzee (linguistic ability) ; Schimpanse (Sprachlernfähigkeit) ; Language aptitude; Spracheignung
