The National Institute of Mental Health (NIMH) is one of 27 institutes and centers that make up the National Institutes of Health (NIH). The NIH, in turn, is an agency of the United States Department of Health and Human Services and is the primary agency of the United States government responsible for biomedical and health-related research.
NIMH is the largest research organization in the world specializing in mental illness. Andrea Beckel-Mitchener is the current acting director of NIMH. The institute was first authorized by the U.S. government in 1946, when then President Harry Truman signed into law the National Mental Health Act, although the institute was not formally established until 1949.
NIMH is a $1.5 billion enterprise, supporting research on mental health through grants to investigators at institutions and organizations throughout the United States and through its own internal (intramural) research effort. The mission of NIMH is "to transform the understanding and treatment of mental illnesses through basic and clinical research, paving the way for prevention, recovery, and cure."
In order to fulfill this mission, NIMH "must foster innovative thinking and ensure that a full array of novel scientific perspectives are used to further discovery in the evolving science of brain, behavior, and experience. In this way, breakthroughs in science can become breakthroughs for all people with mental illnesses."
Contents
Research priorities
NIMH has identified four overarching strategic objectives for itself:
Promote discovery in the brain and behavioral sciences to fuel research on the causes of mental disorders
Chart mental illness trajectories to determine when, where and how to intervene
Develop new and better interventions that incorporate the diverse needs and circumstances of people with mental illnesses
Strengthen the public health impact of NIMH-supported research
History
Organizational history
NIMH had passed through a series of name changes and organizational arrangements with in the United States Public Health Service (PHS) throughout its history:
PHS Narcotics Division (1929–30) (Not to be confused with the Bureau of Prohibition Narcotics Division)
PHS Division of Mental Hygiene (1930–43)
Mental Hygiene Division, within the PHS Bureau of Medical Services (1943–49)
National Institute of Mental Health (NIMH), one of the National Institutes of Health (NIH, 1949–67)
NIMH as an independent division of the PHS (1967–68)
NIMH, within the Health Services and Mental Health Administration (1968–73)
NIMH, within NIH (1973)
NIMH, within the Alcohol, Drug Abuse, and Mental Health Administration (1973–1992)
NIMH, within NIH (1992–present)
In 1992, when the Alcohol, Drug Abuse, and Mental Health Administration was abolished, NIMH was transferred to NIH, retaining its research functions while its treatment services were transferred to the new Substance Abuse and Mental Health Services Administration.
Prohibition era
During the Prohibition era, the Narcotics Division of the Bureau of Public Health was responsible for the patients confined to the "narcotic farms" that had been a result of the Narcotic Farms Act of 1929. Confusingly, the Bureau of Prohibition which was also in the Treasury had in its organizational structure a Narcotics Division whose Deputy Commissioner was Levi G. Nutt, an advocate of forced confinement of addicts to the narcotic farms.
Functions
Mental health has traditionally been a state responsibility, but after World War II there was increased lobbying for a federal (national) initiative. Attempts to create a National Neuropsychiatric Institute failed. Robert H. Felix, then head of the Division of Mental Hygiene, orchestrated a movement to include mental health policy as an integral part of federal biomedical policy. Congressional subcommittees hearings were held and the National Mental Health Act was signed into law in 1946. This aimed to support the research, prevention and treatment of psychiatric illness, and called for the establishment of a National Advisory Mental Health Council (NAMHC) and a National Institute of Mental Health. On April 15, 1949, the NIMH was formally established, with Felix as director. Funding for the NIMH grew slowly and then, from the mid-1950s, dramatically. The institute took on a highly influential role in shaping policy, research and communicating with the public, legitimizing the importance of new advances in biomedical science, psychiatric and psychological services, and community-based mental health policies.
In 1955, the Mental Health Study Act called for "an objective, thorough, nationwide analysis and reevaluation of the human and economic problems of mental health." The resulting Joint Commission on Mental Illness and Health prepared a report, "Action for Mental Health", resulting in the establishment of a cabinet-level interagency committee to examine the recommendations and determine an appropriate federal response.
In 1963, Congress passed the Mental Retardation Facilities and Community Mental Health Centers Construction Act, beginning a new era in Federal support for mental health services. NIMH assumed responsibility for monitoring the Nation's community mental health centers (CMHC) programs.
During the mid-1960s, NIMH launched a campaign on special mental health problems. Part of this was a response to President Lyndon Johnson's pledge to apply scientific research to social problems. The institute established centers for research on schizophrenia, child and family mental health, suicide, as well as crime and delinquency, minority group mental health problems, urban problems, and later, rape, aging, and technical assistance to victims of natural disasters.
Alcohol abuse and alcoholism did not receive full recognition as a major public health problem until the mid-1960s, when the National Center for Prevention and Control of Alcoholism was established as part of NIMH; a research program on drug abuse was inaugurated within NIMH with the establishment of the Center for Studies of Narcotic and Drug Abuse.
Controversy
NIMH maintains infrastructure and data repositories for data sharing through the NIMH Data Archive (NDA). NDA includes information on a person's sex assigned at birth and gender identity. According to former NIMH Director Joshua A. Gordon, transgender people are at higher risk for mental disorder, including suicide, and collecting data on gender identity allows researchers to study links between mental health and transgender people. However, in January 2025, President Donald Trump issued Executive Order 14168, which instructs federal departments to operate under a strict gender binary, reject suggestions of a difference between gender and sex, and withdraw recognition of the existence or validity of transgender people. Gordon claims "it doesn't matter" whether these categories are "biologically true" or "societally induced" because they nevertheless identify a high-risk group of people that need help, and for whom exist proven successful methods that do so. In April 2025, the NIMH database, along with at least 33 other online archives, placed a disclaimer on their site that read, "This repository is under review for potential modification in compliance with Administration directives" as a result of the executive order. Gordon criticized proposals to remove data on gender identity as "incredibly disturbing", detrimental to research, and preventing transgender people from getting the help they need.
Noted researchers
In 1970, Julius Axelrod, a NIMH researcher, won the Nobel Prize in Physiology or Medicine for research into the chemistry of nerve transmission for "discoveries concerning the humoral transmitters in the nerve terminals and the mechanisms for their storage, release and inactivation." He found an enzyme that terminated the action of the nerve transmitter, noradrenaline in the synapse and which also served as a critical target of many antidepressant drugs.
In the 1960s and 1970s, John B. Calhoun, ethologist and behavioral researcher studied the population density and its effects on behavior in the NIMH facility in Maryland. Later his work become renowned after several publications, including articles in Scientific American and a widely known "Universe 25" story predicting a dystopian future based on rodent experiments in an overpopulated environment.
In 1984, Norman E. Rosenthal, a psychiatrist and NIMH researcher, pioneered seasonal affective disorder, coined the term SAD, and began studying the use of light therapy as a treatment. He received the Anna Monika Foundation Award for his research on seasonal depression.
Louis Sokoloff, a NIMH researcher, received the Albert Łasker award in Clinical Medical Research for developing a new method of measuring brain function that contributed to basic understanding and diagnosis of brain diseases. Roger Sperry, a NIMH research grantee, received the Nobel Prize in Medicine or Physiology for discoveries regarding the functional specialization of the cerebral hemispheres, or the "left" and "right" brain.
Eric Kandel and Paul Greengard, each of whom have received NIMH support for more than three decades, shared the Nobel Prize in Physiology or Medicine with Sweden's Arvid Carlsson. Kandel received the prize for his elucidating research on the functional modification of synapses in the brain. Initially using the sea slug as an experimental model but later working with mice, he established that the formation of memories is a consequence of short and long-term changes in the biochemistry of nerve cells Greengard was recognized for his discovery that dopamine and a number of other transmitters can alter the functional state of neuronal proteins, and also that such changes could be reversed by subsequent environmental signals.
Directors
Past Directors from 1949–present
In popular culture
Calhoun's experiments on mouse and rat population dynamics inspired novelist Robert C. O'Brien to write Mrs. Frisby and the Rats of NIMH, a 1971 children's book about laboratory rats who escape from the institute and develop a literate and technological society. The book was adapted for film in 1982 as The Secret of NIMH.