Sign language ; ASL; American Sign Language ; Bimodal language acquisition; Language acquisition (sign language) ; Spracherwerb (Gebärdensprache) ; Sign language (language acquisition) ; Gebärdensprache (Zweitspracherwerb) ; Sign language (second language acquisition) ; Sign language (language teaching) ; Gebärdensprache (Sprachunterricht) ; Second language acquisition (sign language) ; Gesture communication ; Taubheit; Deafness ; Private language ; Critical period (second language acquisition) ; Alter (Einfluss auf Zweitspracherwerb) ; Age (influence on second language acquisition) ; Ultimate attainment (second language acquisition) ; Near-native competence (second language acquisition) ; AoA; Age of acquisition (second language acquisition) ; Sensitive period (second language acquisition)
