The obsolete
medical terms Mongolian idiocy and Mongolism referred to a specific type of mental deficiency, associated with the
genetic disorder
A genetic disorder is a health problem caused by one or more abnormalities in the genome. It can be caused by a mutation in a single gene (monogenic) or multiple genes (polygenic) or by a chromosome abnormality. Although polygenic disorders ...
now known as
Down syndrome. The obsolete term for a person with this syndrome was called a Mongolian idiot.
In the 21st century, those terms are no longer used as medical terminology, deemed an unacceptable, offensive and misleading description of those with Down syndrome.
The terminology change was brought about both by scientific and medical experts,
as well as people of Asian ancestry,
including those from
Mongolia
Mongolia is a landlocked country in East Asia, bordered by Russia to the north and China to the south and southeast. It covers an area of , with a population of 3.5 million, making it the world's List of countries and dependencies by po ...
.
The stand-alone term "
idiot
An idiot, in modern use, is a stupid or foolish person.
"Idiot" was formerly a technical term in legal and psychiatric contexts for some kinds of profound intellectual disability where the mental age is two years or less, and the person cannot ...
" itself has a similar history of meaning and connotation change.
"Idiot" as a former technical term
While the term "idiot" is, in the present day, not used in a medical, legal or psychiatric context, instead meaning a stupid or foolish person, the term previously held meaning as a
technical term
Jargon, or technical language, is the specialized terminology associated with a particular field or area of activity. Jargon is normally employed in a particular communicative context and may not be well understood outside that context. The conte ...
used in both legal and psychiatric contexts for some type of profound
intellectual disability
Intellectual disability (ID), also known as general learning disability (in the United Kingdom), and formerly mental retardation (in the United States), Rosa's Law, Pub. L. 111-256124 Stat. 2643(2010).Archive is a generalized neurodevelopmental ...
, wherein the disabled person's
mental age
Mental age is a concept related to intelligence. It looks at how a specific individual, at a specific age, performs intellectually, compared to average intellectual performance for that individual's actual chronological age (i.e. time elapsed sin ...
was considered to be two years or less. Along with terms like "
moron", "
imbecile
The term ''imbecile'' was once used by psychiatrists to denote a category of people with moderate to severe intellectual disability, as well as a type of criminal.Fernald, Walter E. (1912). ''The imbecile with criminal instincts.'' Fourth editio ...
", and "
cretin", "idiot" has become an archaic description of diminished mental capacity in legal, medical and psychiatric terms.
History
John Langdon Down
John Langdon Haydon Down (18 November 1828 – 7 October 1896) was a British physician best known for his description of the genetic condition now known as Down's or Down syndrome, which he originally classified in 1862. He is also noted for h ...
first characterized what is now known as
Down syndrome as a distinguishable form of mental disability in 1862, and in a more widely published report in 1866.
Due to his perception that these children shared facial similarities with the populations that German physician
Johann Friedrich Blumenbach
Johann Friedrich Blumenbach (11 May 1752 – 22 January 1840) was a German physician, naturalist, physiologist and anthropologist. He is considered to be a main founder of zoology and anthropology as comparative, scientific disciplines. He has be ...
described as the "
Mongolian race", Down used the term "mongoloid" in his characterisation of these patients.
The term continued its usage into the 20th century. A study published in 1908 by W. Bertram Hill was titled ''Mongolism and its Pathology''.
The term ''"mongolism"'' was used by English
psychiatrist
A psychiatrist is a physician who specializes in psychiatry. Psychiatrists are physicians who evaluate patients to determine whether their symptoms are the result of a physical illness, a combination of physical and mental ailments or strictly ...
and
geneticist
A geneticist is a biologist or physician who studies genetics, the science of genes, heredity, and variation of organisms. A geneticist can be employed as a scientist or a lecturer. Geneticists may perform general research on genetic process ...
Lionel Penrose
Lionel Sharples Penrose, FRS (11 June 1898 – 12 May 1972) was an English psychiatrist, medical geneticist, paediatrician, mathematician and chess theorist, who carried out pioneering work on the genetics
Genetics is the study of ...
as late as 1961.
F. G. Crookshank published a
pseudoscientific
Pseudoscience consists of statements, beliefs, or practices that claim to be both scientific and factual but are incompatible with the scientific method. Pseudoscience is often characterized by contradictory, exaggerated or unfalsifiable cl ...
book in 1924 named ''
The Mongol in our Midst'' which suggested that the syndrome was due to genetic traits literally inherited from Mongoloid races.
Rock band
Devo
Devo is an American new wave band from Akron, Ohio, formed in 1973. Their classic line-up consisted of two sets of brothers, the Mothersbaughs ( Mark and Bob) and the Casales (Gerald and Bob), along with Alan Myers. The band had a No. 14 ...
released a song titled
"Mongoloid" in 1977, describing a man with Down syndrome.
Deprecation and depreciation of the term
In 1961, genetic experts wrote a joint letter to the medical journal ''
The Lancet
''The Lancet'' is a weekly peer-reviewed general medical journal, founded in England in 1823. It is one of the world's highest-impact academic journals and also one of the oldest medical journals still in publication.
The journal publishes ...
'' which read:
In 1965,
WHO
The World Health Organization (WHO) is a specialized agency of the United Nations which coordinates responses to international public health issues and emergencies. It is headquartered in Geneva, Switzerland, and has 6 regional offices and 15 ...
resolved to abandon the term at the request of the
Mongolian People's Republic
The Mongolian People's Republic (MPR) was a socialist state that existed from 1924 to 1992, located in the historical region of Outer Mongolia. Its independence was officially recognized by the Nationalist government of Republic of China (1912� ...
.
Despite decades of inaction to change the term and resistance to abandoning it, the term thereafter began to fade from use, in favor of its replacement, ''Down's syndrome'', ''Down syndrome'' and ''Trisomy 21 disorder''.
However, the term "Mongolian idiocy" was reported as continuing in use at least 15 years after the WHO's decision to abandon it; in his book ''
The Panda's Thumb'', published in 1980,
paleontologist
Paleontology, also spelled as palaeontology or palæontology, is the scientific study of the life of the past, mainly but not exclusively through the study of fossils. Paleontologists use fossils as a means to classify organisms, measure geolo ...
Stephen Jay Gould
Stephen Jay Gould ( ; September 10, 1941 – May 20, 2002) was an American Paleontology, paleontologist, Evolutionary biology, evolutionary biologist, and History of science, historian of science. He was one of the most influential and widely re ...
reported that the term "mongolism" was still commonly used in the United States, despite being "defamatory" and "wrong on all counts".
References
{{Medicine
Down syndrome
Obsolete medical terms
Slurs related to low intelligence