The National Institutes of Health (NIH) is offering a funding opportunity under the BRAIN Initiative aimed at developing and validating novel tools to analyze cell-specific and circuit-specific processes in the brain. This initiative encourages interdisciplinary collaboration to enhance the understanding of complex neural circuits, focusing on the creation of innovative, high-precision techniques that can be applied across various species. Approximately $8 million will be allocated to support 6-9 awards, with applications due by February 9, 2027. Interested applicants must submit a Plan for Enhancing Diverse Perspectives and adhere to NIH policies throughout the application process; for further details, contact NIH Grants Information at grantsinfo@nih.gov or visit the official announcement at https://grants.nih.gov/grants/guide/rfa-files/RFA-MH-26-170.html.