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Science News About the BRAIN Initiative

A neuronal wiring diagram of the adult fly brain. The adult fly brain comprises 139,000 neurons and more than 50 million synapses. Credit: Tyler Sloan for Murthy and Seung Labs, Princeton University.
Researchers Fully Map Neural Connections of the Fruit Fly Brain

A scientific team supported by the National Institutes of Health (NIH) unveiled the first complete map of the neural connections of the common fruit fly brain.

Illustration of a brain intertwined with a DNA double helix, depicted as a network of glowing, purple connections on a dark background.
New Gene Delivery Method Paves the Way for Advanced Brain Therapies

A new study, funded in part by the National Institute of Mental Health, describes a promising new gene delivery vehicle that could advance treatment for brain disorders.

Spatial distribution of diverse cell types in the mouse brain. Here, MERFISH was used to measure 500 genes in the mouse brain to reveal the complex distribution of cell types throughout the brain. Courtesy of Yao/van Velthoven/Zeng, Allen Institute.
Scientists Unveil Complete Cell Map of a Whole Mammalian Brain

For the first time ever, an international team of researchers has created a complete cell atlas of a whole mammalian brain.

Illustration of abstract brain on blue background.
Scientists Unveil Detailed Cell Maps of the Human Brain and the Nonhuman Primate Brain

A group of international scientists have mapped the genetic, cellular, and structural makeup of the human brain and the nonhuman primate brain, allowing for a deeper knowledge of the cellular basis of brain function and dysfunction, helping pave the way for a new generation of precision therapeutics for people with mental disorders and other disorders of the brain.

Concept of neurons communicating with an explosion of activity between two neurons.
Researchers Find Order in the Language of the Brain

New research supported by NIMH used mathematical approaches to explain how neurons in the brain communicate over time to support information processing.

Illustration of neuronal connections.
NIH BRAIN Initiative Launches Projects to Develop Cell Atlases and Molecular Tools for Cell Access

The National Institutes of Health has launched two transformative projects supported by the Brain Research Through Advancing Innovative Neurotechnologies® (BRAIN) Initiative: The BRAIN Initiative® Cell Atlas Network and the Armamentarium for Precision Brain Cell Access.

A drawing of parapinopsin, a photoswitchable GPCR that can be turned on using UV light and turned off using amber light. Credit: Copits, B. et al., (2021). A photoswitchable GPCR-based opsin for presynaptic inhibition. Neuron, 109(11), 1791–1809.e11.
Tool Uses Light to Inhibit Neural Activity in Mice

Researchers supported by NIH have developed a way to genetically insert a type of light receptor into neurons. The new technique enables the researchers to suppress the neuron’s activity using pulses of light.

Illustration of neuronal connections.
NIH BRAIN Initiative Unveils Detailed Atlas of the Mammalian Primary Motor Cortex

The NIH Brain Research Through Advancing Innovative Neurotechnologies® (BRAIN) Initiative Cell Census Network (BICCN) has unveiled an atlas of cell types and an anatomical neuronal wiring diagram for the mammalian primary motor cortex, derived from detailed studies of mice, monkeys, and humans.

Andrea Beckel-Mitchener, Ph.D.
NIMH’s Dr. Andrea Beckel-Mitchener Named Deputy Director of NIH BRAIN Initiative

Andrea Beckel-Mitchener, Ph.D., has been named deputy director of the trans-NIH Brain Research through Advancing Innovative Neurotechnologies (BRAIN) Initiative.

illustration of a human brain with magnifying glass held up to show detailed view of forebrain
New BRAIN Initiative Awards Accelerate Neuroscience Discoveries

The NIH has announced its continued support for the Brain Research through Advancing Innovative Neurotechnologies® (BRAIN) Initiative by funding more than 180 new BRAIN Initiative awards, bringing the total 2019 budget for the program to more than $424 million.

Immunofluorescent stained neurons, astrocytes, and cell nuclei in hippocampal CA3 region of brain
NIH BRAIN Initiative Tool May Transform How Scientists Study Brain Structure and Function

Researchers have developed a high-tech support system that can keep a large mammalian brain from rapidly decomposing in the hours after death, enabling study of certain molecular and cellular functions.

Brain Research through Advancing Innovative Neurotechnologies (BRAIN)® Initiative Investigators Meeting
Fifth Annual BRAIN Initiative Investigators Meeting

On April 11-13, 2019, approximately 1,500 scientists from many disciplines will attend the fifth annual Brain Research through Advancing Innovative Neurotechnologies (BRAIN)® Initiative Investigators Meeting in Washington, DC. This open meeting provides a forum for discussing scientific developments and potential new directions, and to identify areas for collaboration and research coordination.

An image showing the internal structure of the brain
NIH Greatly Expands Investment in BRAIN Initiative

The National Institutes of Health announces funding of more than 200 new awards, totaling over $220 million, through the Brain Research through Advancing Innovative Neurotechnologies (BRAIN) Initiative, an exciting trans-agency effort to arm researchers with revolutionary tools to fundamentally understand the neural circuits that underlie the healthy and diseased brain.

Mouse preoptic region cell clusters
NIH BRAIN Initiative Debuts Cell Census of Mouse Motor Cortex – for Starters

NIH BRAIN Initiative Cell Census Network (BICCN) has debuted its first data release, which focuses on motor cortex. In a related development, researchers have discovered cellular secrets of key social behaviors – mating, parenting, and aggression – in mouse hypothalamus.

artist depiction of deep brain stimulation
NIH Announces Awards for BRAIN Initiative Neuroethics Research

The NIH BRAIN Initiative has awarded grants to five teams of experts who will study the neuroethical issues surrounding the use of deep brain stimulation in neuropsychiatric and movement disorders and appropriate consent for brain research.

Huang PV Basket Cell
NIH BRAIN Initiative Launches Cell Census

The NIH today launched a major effort to discover and catalog the brain’s “parts list.”

multicolored brain scan image
NIH BRAIN Initiative Builds on Early Advances

NIH has announced funding for 110 new awards totaling $169 million for the BRAIN Initiative.

female medical professional and patient
NIMH Releases Strategic Research Priorities Update

National Institute of Mental Health (NIMH) recently released its second annual update of the Strategic Research Priorities.

Epigenomic signatures of neuron subtypes
Breakthrough Method Yields Trove of Neuron Subtypes, Gene Regulators

Scientists have discovered a trove of neuronal subtypes by identifying their unique epigenomic signatures.

BRAIN Initiative research
NIH Nearly Doubles Investment in BRAIN Initiative Research

NIH’s third round of grants to support the goals of the Brain Research through Advancing Innovative Neurotechnologies (BRAIN) Initiative total just over $150 million.

Chemical structure of antidepressant metabolite
Ketamine Lifts Depression via a Byproduct of its Metabolism

A chemical byproduct, or metabolite, created as the body breaks down likely holds the secret to its rapid antidepressant action .

Smarts, life satisfaction, income and education levels – and other measures of success – were correlated with increased connectivity between certain areas of the brain while at rest.  These parts of the brain (yellow, red, brown) talked with each other more while higher-scoring participants weren’t doing anything in particular. Picture shows composite data from functional magnetic resonance imaging scans.
Our Brain’s Secrets to Success?

We owe our success -- both as a species and as individuals – to uniquely human brain wiring that is just now beginning to be understood, thanks to the BRAIN Initiative and the Human Connectome Project.

BRAIN Initiative
NIH Announces First Wave of Funding for BRAIN Initiative Research

Calling it “the beginning of an ambitious journey”, the National Institutes of Health announced its first wave of grants in support of the BRAIN Initiative.