BRAIN Initiative: New Concepts and Early - Stage Research for Large - Scale Recording and Modulation in the Nervous System (R21) | RFA EY 17 002

Opportunity Information: Apply for RFA EY 17 002

The BRAIN Initiative: New Concepts and Early-Stage Research for Large-Scale Recording and Modulation in the Nervous System (R21) is a National Institutes of Health (NIH) funding opportunity aimed at sparking bold, early-stage ideas that could transform how scientists measure and influence activity in the brain and other parts of the nervous system. The core scientific motivation is straightforward but huge: to understand how electrical and chemical signaling in neural circuits encodes information and ultimately produces sensation, thought, emotion, and behavior. The opportunity is positioned around the idea that today s commonly used tools, while powerful, leave major gaps. Non-invasive approaches often lack the spatial or temporal resolution needed to track fast, fine-grained neural activity and may rely on indirect proxies like blood flow, which can be imprecise for answering circuit-level questions. Invasive methods can capture the underlying biophysical signals at the level of individual neurons, but typical implementations only sample tens to hundreds of cells at a time, which is tiny compared to the roughly 85 billion neurons in the human brain. This grant call is designed to push beyond those limits by encouraging new concepts that could enable larger-scale recording and modulation than current technologies allow.

The mechanism is an R21, which NIH commonly uses for exploratory, high-risk, high-reward projects where the main goal is to establish feasibility, prove a novel concept, or open up a new technical direction rather than deliver a fully mature platform. In practice, this means applicants are generally expected to propose innovative approaches that may be technically challenging but could yield outsized impact if they work, such as new sensing modalities, next-generation electrode or optical interfaces, advanced molecular or genetic strategies, novel materials, wireless or minimally invasive systems, or integrated hardware and computational approaches that could scale recording or stimulation to far larger neural populations. The emphasis on both recording and modulation signals interest not only in measuring neural signals more comprehensively, but also in the ability to perturb or control neural activity in targeted ways to test causal hypotheses about how circuits produce function.

From an administrative standpoint, this is a discretionary grant program run by NIH, and it falls under multiple CFDA numbers (93.173, 93.213, 93.242, 93.273, 93.279, 93.286, 93.853, 93.865, 93.866, 93.867), reflecting the cross-institute nature of the BRAIN Initiative and its relevance to different NIH missions. The funding opportunity number is RFA-EY-17-002, and the original posting indicates a creation date of 2017-07-17 with an original closing date of 2017-10-26. The listed award ceiling is 200000, which typically indicates the maximum budget level allowed under this specific announcement, consistent with the smaller, concept-testing scope of an R21 compared with larger R01-style awards. The number of expected awards is not specified in the provided excerpt, which often means the final count would depend on available funds and the quality of applications received.

Eligibility is broad and intentionally inclusive, covering a wide range of organization types that could contribute novel neurotechnology concepts. Eligible applicants include state, county, and local governments; special district governments; independent school districts; public and state-controlled institutions of higher education; private institutions of higher education; federally recognized Native American tribal governments; Native American tribal organizations (including those other than federally recognized tribal governments); public housing authorities and Indian housing authorities; nonprofit organizations with and without 501(c)(3) status (outside of higher education); for-profit organizations other than small businesses; and small businesses. The opportunity explicitly calls out additional eligible applicant categories that NIH sometimes highlights to encourage participation from diverse institutions and communities, including Alaska Native and Native Hawaiian Serving Institutions, Asian American Native American Pacific Islander Serving Institutions (AANAPISIs), Hispanic-serving Institutions, Historically Black Colleges and Universities (HBCUs), Tribally Controlled Colleges and Universities (TCCUs), faith-based or community-based organizations, eligible federal agencies, regional organizations, U.S. territories or possessions, tribal governments other than federally recognized, and even non-U.S. entities (foreign organizations). Taken together, the eligibility language signals an intent to attract interdisciplinary teams and unconventional performers, including academic labs, startups, established companies, and mission-driven organizations, as long as they can credibly advance new ways to record from or modulate large neural populations.

Overall, the opportunity is best understood as a front-end innovation push within the broader BRAIN Initiative portfolio: it is meant to seed the next wave of scalable neurotechnologies that could eventually make it possible to observe and influence neural circuit activity at a scope that better matches the complexity of the nervous system. The scientific challenge described in the announcement is the mismatch between what researchers can currently measure or control and the true scale of brain computation. The program response is to fund early, creative, and potentially disruptive ideas that could close that gap by moving beyond indirect, low-resolution readouts and beyond limited-channel invasive recordings, toward methods that can capture and manipulate far more of the neural system in parallel.

• The National Institutes of Health in the education, health, income security and social services sector is offering a public funding opportunity titled "BRAIN Initiative: New Concepts and Early - Stage Research for Large - Scale Recording and Modulation in the Nervous System (R21)" and is now available to receive applicants.
• Interested and eligible applicants and submit their applications by referencing the CFDA number(s): 93.173, 93.213, 93.242, 93.273, 93.279, 93.286, 93.853, 93.865, 93.866, 93.867.
• This funding opportunity was created on 2017-07-17.
• Applicants must submit their applications by 2017-10-26. (Agency may still review applications by suitable applicants for the remaining/unused allocated funding in 2026.)
• Each selected applicant is eligible to receive up to $200,000.00 in funding.
• Eligible applicants include: State governments, County governments, City or township governments, Special district governments, Independent school districts, Public and State controlled institutions of higher education, Native American tribal governments (Federally recognized), Public housing authorities/Indian housing authorities, Native American tribal organizations (other than Federally recognized tribal governments), Nonprofits having a 501 (c) (3) status with the IRS, other than institutions of higher education, Nonprofits that do not have a 501 (c) (3) status with the IRS, other than institutions of higher education, Private institutions of higher education, For-profit organizations other than small businesses, Small businesses, Others.

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