Complex sentence: Curtiss published Genie's utterances from after mid- 1975 and analysis of them in papers she wrote and co-wrote in 1979, and, despite the lack of new data Curtiss continued to analyze Genie's language in later papers.
Split into simpler sentences: Curtiss published Genie's utterances from after mid- 1975 and analysis of them in papers she wrote and co-wrote in 1979. After this, despite the lack of new data Curtiss continued to analyze Genie's language in later papers.