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the claim
Signed languages undergo historical sound and structural shifts analogous to spoken languages
the verdict
SUPPORTED
the evidence backs this
refutedsupported
the weight of evidence
3 sources for · 0 against

Signed languages undergo historical sound and structural shifts analogous to spoken languages, driven by similar linguistic processes such as grammaticalization and lexicalization.

Evidence for · 3
Grammaticalization in sign languages
2012 · cited by 36
This paper discusses grammaticalization processes in sign languages, noting both modality-independent shifts and specific developments analogous to spoken languages.
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The analysis

The provided literature strongly supports the claim that signed languages experience historical structural and grammatical shifts comparable to spoken languages. Papers [0], [3], and [6] specifically detail how processes like grammaticalization, lexicalization, and diachronic structural evolution operate in sign languages in ways analogous to spoken languages. No papers refute this claim.

More for · 2
Historical Change in Signed Languages
2016 · cited by 8
The chapter demonstrates that signed languages undergo historical changes through the same linguistic processes found in spoken languages, such as lexicalization, grammaticalization, and semantic change.
The organization of verb meaning in Lengua de Señas Nicaragüense (LSN): Sequential or simultaneous structures?
2024 · cited by 3
This study investigates structural shifts in an emerging sign language over decades of transmission, highlighting diachronic changes similar to those observed in spoken language evolution.
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first checked04 Aug 2026
judged → SUPPORTED · 8504 Aug 2026
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