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This applies to spoken as well as signed languages. Previous research suggests that spoken language proficiency is associated with resting-state functional connectivity (rsFC) between language regions and other regions of the brain. Given the similarities in neural activation for spoken and signed languages, rsFC-behavior associations should also exist for sign language tasks. In this study, we explored the associations between rsFC and two types of linguistic skills in sign language: phonological processing skill and accuracy in elicited sentence production. Fifteen adult, deaf early signers were enrolled in a resting-state functional magnetic resonance imaging (fMRI) study. In addition to fMRI data, behavioral tests of sign language phonological processing and sentence reproduction were administered. Using seed-to-voxel connectivity analysis, we investigated associations between behavioral proficiency and rsFC from language-relevant nodes: bilateral inferior frontal gyrus (IFG) and posterior superior temporal gyrus (STG). Results showed that worse sentence processing skill was associated with stronger positive rsFC between the left IFG and left sensorimotor regions. Further, sign language phonological processing skill was associated with positive rsFC from right IFG to middle frontal gyrus\/frontal pole although this association could possibly be explained by domain-general cognitive functions. Our findings suggest a possible connection between rsFC and developmental language outcomes in deaf individuals.<\/jats:p>","DOI":"10.3389\/fpsyg.2022.738866","type":"journal-article","created":{"date-parts":[[2022,3,18]],"date-time":"2022-03-18T08:09:55Z","timestamp":1647590995000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":1,"title":["Associations Between Sign Language Skills and Resting-State Functional Connectivity in Deaf Early Signers"],"prefix":"10.3389","volume":"13","author":[{"given":"Emil","family":"Holmer","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Krister","family":"Sch\u00f6nstr\u00f6m","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Josefine","family":"Andin","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2022,3,18]]},"reference":[{"key":"B1","doi-asserted-by":"publisher","first-page":"42","DOI":"10.1016\/j.bandl.2012.04.014","article-title":"The neural bases of difficult speech comprehension and speech production: two activation likelihood estimation (ALE) meta-analyses.","volume":"122","author":"Adank","year":"2012","journal-title":"Brain Lang."},{"key":"B2","doi-asserted-by":"publisher","first-page":"1091","DOI":"10.1162\/jocn","article-title":"What and how the deaf brain sees.","volume":"31","author":"Alencar","year":"2019","journal-title":"J. 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