Data are available in Zenodo at https://doi.org/10.5281/zenodo.18570668 (CC BY 4.0, The Creative Commons Attribution license allows re-distribution and re-use of a licensed work on the condition that the creator is appropriately credited). The link contains one file (.xlsx) with three tabs: (1) a readme tab; (2) a data tab with seven columns, namely Extraction code, Include/Exclude, Objective reason (criteria), Title, Year, Authors, and DOI/URL; and (3) Extraction_included with six columns, namely Extraction code, Publication type, Population, Spoken-language focus, Neurobiological method(s), and Notes. The search was performed on January 26, 2026 on https://scholar.google.com with the search string: “Neurobiology” “spoken language” “bilingualism” -“deaf” -“sign”.