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The acquisition of the standard German fortis / lenis distinction in word-initial labial and velar stops by speakers of the non-standard variety Upper Saxon

Traditionally, the non-standard German variety Upper Saxon is reported to have only lenis stops /b d g/ since the fortis stops /p t k/ were lenited to /b d g/ as a consequence of Central German Lenition. In standard German, fortis and lenis stops still have a contrastive function. Words like <Kasse> (cash register) and <Gasse> (alleyway) differ word-initially and are thus distinct in the standard variety, whereas they are homophones in the Upper Saxon region. In my dissertation, I suggest that Upper Saxon speakers have to acquire the standard German distinction, assuming that the contrast is not implemented in their native dialect (D1). As language processing has been found to be not just languagebut also dialect-specific, it has been suggested that speakers acquiring an unfamiliar variety of their native language (D2) are comparable to L2 learners acquiring typologically similar languages. However, systematic investigations into this claim are still lacking.