Utilizing Invasive Recording and Stimulating Opportunities in Humans to Advance Neural Circuitry Understanding of Mental Health Disorders (R21 Clinical Trial Optional) | RFA MH 20 351

Opportunity Information: Apply for RFA MH 20 351

The National Institutes of Health (NIH) funding opportunity titled "Utilizing Invasive Recording and Stimulating Opportunities in Humans to Advance Neural Circuitry Understanding of Mental Health Disorders (R21 Clinical Trial Optional)" (Funding Opportunity Number: RFA-MH-20-351; CFDA: 93.242) is a discretionary grant program designed to push forward what is known about the human brain circuits involved in mental health. The central idea is to support research that uses invasive neural recordings in people to answer clearly defined, mental health-relevant scientific questions that cannot be addressed as well with noninvasive methods. The mechanism is an R21, which typically supports exploratory, early-stage, and potentially high-impact projects, and it is labeled "Clinical Trial Optional," meaning applicants may propose work that includes a clinical trial component if it fits the science, but a clinical trial is not required.

The FOA focuses on the unique scientific value of invasive recording approaches, which can measure brain activity with extremely high spatial and temporal resolution. In practical terms, this enables researchers to directly observe neural circuitry and neural dynamics related to complex human functions that are central to psychiatry and clinical psychology, such as mood, emotion regulation, cognition, and behavior. Because many psychiatric symptoms are thought to emerge from disruptions in networks rather than single brain regions, the ability to record activity at fine time scales and from specific structures can help clarify how these networks function in real human brains, especially in situations where symptoms fluctuate over time or depend on context.

A major emphasis of the opportunity is the added capability of stimulation through implanted electrodes. Beyond simply observing neural activity, stimulation allows investigators to test causal hypotheses by perturbing neural circuits and measuring resulting changes in network dynamics, behavior, or symptom-relevant processes. This causal angle is important because it can move the field from correlations (for example, a pattern of activity associated with an emotion state) to mechanistic understanding (for example, whether altering a circuit changes that state in a predictable way). The FOA is explicitly framed around filling gaps in scientific knowledge about neural circuit function as it relates to mental health disorders, aiming for studies that have strong translational potential, meaning the findings should plausibly inform how mental health conditions are understood, classified, or ultimately approached clinically.

At the same time, the announcement draws a boundary around what it will and will not support. While the research may involve invasive devices already being used in clinical contexts, the FOA states that developing brand-new technologies or creating new therapies is outside its scope. In other words, the priority is not inventing new electrode systems, new stimulation hardware, or launching therapy-development pipelines; it is using invasive recording and stimulation opportunities to answer high-value neuroscience questions relevant to mental health. Projects should therefore be designed around specific questions that are well matched to invasive modalities and that capitalize on access to intracranial signals and stimulation capabilities.

Eligibility is broad and includes many organization types. In addition to standard applicants such as public and private institutions of higher education, nonprofits (with or without 501(c)(3) status), for-profit organizations (including those other than small businesses), and small businesses, the FOA also allows applications from a wide range of government and community entities. Eligible applicants include state, county, and city or township governments; special district governments; independent school districts; public housing authorities/Indian housing authorities; federally recognized Native American tribal governments; and Native American tribal organizations that are not federally recognized. It also highlights additional eligible groups such as 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, U.S. territories or possessions, and even non-U.S. (foreign) entities and regional organizations, reflecting an intent to encourage diverse institutional participation.

Key administrative details provided in the source include an original closing date of June 10, 2021, and a creation date of November 21, 2019. The listing does not specify an award ceiling or expected number of awards in the provided text. Overall, the grant opportunity is best understood as an NIH effort to leverage rare but powerful invasive human neuroscience opportunities to answer tightly scoped, high-impact questions about the neural circuitry underlying mental health disorders, with an emphasis on mechanistic insight and translational relevance rather than tool-building or therapy development.

• The National Institutes of Health in the health sector is offering a public funding opportunity titled "Utilizing Invasive Recording and Stimulating Opportunities in Humans to Advance Neural Circuitry Understanding of Mental Health Disorders (R21 Clinical Trial Optional)" and is now available to receive applicants.
• Interested and eligible applicants and submit their applications by referencing the CFDA number(s): 93.242.
• This funding opportunity was created on 2019-11-21.
• Applicants must submit their applications by 2021-06-10. (Agency may still review applications by suitable applicants for the remaining/unused allocated funding in 2026.)
• 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.

Apply for RFA MH 20 351

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