Through Justin Power (2023) it is clear that Afghan Sign Language is not related to Tajik Sign Language and that influence and/or origins are likely to lie with (Indo-)Pakistan Sign Language or ASL. There is some ASL lexical influence ( Justin Power 2014 , Michael W. Morgan and E. Mara Green and Upendra Khanal 2016 ) but a systematic comparison remains to be done with ASL, (Indo-)Pakistani Sign or any other sign language. Hence, it is a presumed isolate.
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