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Paul Julius Möbius (; 24 January 1853 – 8 January 1907) was a German
neurologist Neurology (from , "string, nerve" and the suffix -logia, "study of") is the branch of medicine dealing with the diagnosis and treatment of all categories of conditions and disease involving the nervous system, which comprises the brain, the ...
born in
Leipzig Leipzig (, ; ; Upper Saxon: ; ) is the most populous city in the States of Germany, German state of Saxony. The city has a population of 628,718 inhabitants as of 2023. It is the List of cities in Germany by population, eighth-largest city in Ge ...
. His grandfather was the German mathematician and theoretical astronomer
August Ferdinand Möbius August Ferdinand Möbius (, ; ; 17 November 1790 – 26 September 1868) was a German mathematician and theoretical astronomer. Life and education Möbius was born in Schulpforta, Electorate of Saxony, and was descended on his mothe ...
(1790–1868). Prior to entering the medical field in 1873, he studied
philosophy Philosophy ('love of wisdom' in Ancient Greek) is a systematic study of general and fundamental questions concerning topics like existence, reason, knowledge, Value (ethics and social sciences), value, mind, and language. It is a rational an ...
and
theology Theology is the study of religious belief from a Religion, religious perspective, with a focus on the nature of divinity. It is taught as an Discipline (academia), academic discipline, typically in universities and seminaries. It occupies itse ...
at the Universities of
Leipzig Leipzig (, ; ; Upper Saxon: ; ) is the most populous city in the States of Germany, German state of Saxony. The city has a population of 628,718 inhabitants as of 2023. It is the List of cities in Germany by population, eighth-largest city in Ge ...
,
Jena Jena (; ) is a List of cities and towns in Germany, city in Germany and the second largest city in Thuringia. Together with the nearby cities of Erfurt and Weimar, it forms the central metropolitan area of Thuringia with approximately 500,000 in ...
and
Marburg Marburg (; ) is a college town, university town in the States of Germany, German federal state () of Hesse, capital of the Marburg-Biedenkopf Districts of Germany, district (). The town area spreads along the valley of the river Lahn and has ...
. After earning his medical doctorate in 1876, he enlisted in the army, attaining the rank of ''Oberstabsarzt'' (senior staff
surgeon In medicine, a surgeon is a medical doctor who performs surgery. Even though there are different traditions in different times and places, a modern surgeon is a licensed physician and received the same medical training as physicians before spec ...
). After leaving the army, he returned to Leipzig, where he opened a private practice and worked as an assistant to neurologist
Adolph Strümpell Adolf (also spelt Adolph or Adolphe, Adolfo, and when Latinised Adolphus) is a given name with German origins. The name is a compound derived from the Old High German ''Athalwolf'' (or ''Hadulf''), a composition of ''athal'', or ''adal'', mea ...
(1853-1925) at the university policlinic. In 1883 he obtained his habilitation for neurology. He was a prolific writer and is well known for publications in the fields of
neurophysiology Neurophysiology is a branch of physiology and neuroscience concerned with the functions of the nervous system and their mechanisms. The term ''neurophysiology'' originates from the Greek word ''νεῦρον'' ("nerve") and ''physiology'' (whic ...
and
endocrinology Endocrinology (from ''endocrine system, endocrine'' + ''wikt:-logy#Suffix, -ology'') is a branch of biology and medicine dealing with the endocrine system, its diseases, and its specific secretions known as hormones. It is also concerned with the ...
. Among his writings in
psychiatry Psychiatry is the medical specialty devoted to the diagnosis, treatment, and prevention of deleterious mental disorder, mental conditions. These include matters related to cognition, perceptions, Mood (psychology), mood, emotion, and behavior. ...
were psychopathological studies of
Goethe Johann Wolfgang (von) Goethe (28 August 1749 – 22 March 1832) was a German polymath who is widely regarded as the most influential writer in the German language. His work has had a wide-ranging influence on Western literature, literary, Polit ...
,
Rousseau Jean-Jacques Rousseau (, ; ; 28 June 1712 – 2 July 1778) was a Genevan philosopher ('' philosophe''), writer, and composer. His political philosophy influenced the progress of the Age of Enlightenment throughout Europe, as well as aspects ...
,
Schopenhauer Arthur Schopenhauer ( ; ; 22 February 1788 – 21 September 1860) was a German philosopher. He is known for his 1818 work '' The World as Will and Representation'' (expanded in 1844), which characterizes the phenomenal world as the manife ...
and
Nietzsche Friedrich Wilhelm Nietzsche (15 October 1844 – 25 August 1900) was a German philosopher. He began his career as a classical philologist, turning to philosophy early in his academic career. In 1869, aged 24, Nietzsche became the youngest pro ...
. He was also an editor of ''Schmidt's Jahrbücher der in- und ausländischen gesammten Medizin''. Möbius made pioneer contributions towards the understanding of how some mental illnesses occur. He is credited for providing a distinction between
exogenous In a variety of contexts, exogeny or exogeneity () is the fact of an action or object originating externally. It is the opposite of endogeneity or endogeny, the fact of being influenced from within a system. Economics In an economic model, an ...
and
endogenous Endogeny, in biology, refers to the property of originating or developing from within an organism, tissue, or cell. For example, ''endogenous substances'', and ''endogenous processes'' are those that originate within a living system (e.g. an ...
nerve disorders, and introduced ideas on the
etiology Etiology (; alternatively spelled aetiology or ætiology) is the study of causation or origination. The word is derived from the Greek word ''()'', meaning "giving a reason for" (). More completely, etiology is the study of the causes, origins ...
of
hysteria Hysteria is a term used to mean ungovernable emotional excess and can refer to a temporary state of mind or emotion. In the nineteenth century, female hysteria was considered a diagnosable physical illness in women. It is assumed that the bas ...
.


Medical terms

His name is associated with
Möbius syndrome Möbius syndrome or Moebius syndrome is a rare congenital neurological disorder which is characterized by facial nerve paralysis, facial paralysis and the inability to move the eyes from side to side. Most people with Möbius syndrome are born wit ...
, a disease he identified as "nuclear atrophy". This is a rare type of
palsy Palsy is a medical term which refers to various types of paralysisDan Agin, ''More Than Genes: What Science Can Tell Us About Toxic Chemicals, Development, and the Risk to Our Children'' (2009), p. 172. or paresis, often accompanied by weakness and ...
associated with
paralysis Paralysis (: paralyses; also known as plegia) is a loss of Motor skill, motor function in one or more Skeletal muscle, muscles. Paralysis can also be accompanied by a loss of feeling (sensory loss) in the affected area if there is sensory d ...
of the cranial nerves VI and VII. This results in the patient having a masklike facial expression along with many other abnormalities such as drooling, crossed eyes, speech difficulties and problems swallowing. Other eponyms associated with Möbius are: * Leyden–Möbius syndrome –
muscular dystrophy Muscular dystrophies (MD) are a genetically and clinically heterogeneous group of rare neuromuscular diseases that cause progressive weakness and breakdown of skeletal muscles over time. The disorders differ as to which muscles are primarily affe ...
in the
pelvic The pelvis (: pelves or pelvises) is the lower part of an anatomical trunk, between the abdomen and the thighs (sometimes also called pelvic region), together with its embedded skeleton (sometimes also called bony pelvis or pelvic skeleton). ...
region; named along with neurologist
Ernst Viktor von Leyden Ernst Viktor von Leyden (20 April 1832 – 5 October 1910) was a German internist from Danzig. Biography He studied medicine at the Friedrich-Wilhelms-Institut in Berlin, and was a pupil of Johann Lukas Schönlein (1793–1864) and Lu ...
(1832–1910) * Möbius sign – weakness of eye convergence; a situation when one eye converges and the other diverges when looking at the tip of one's nose, a condition associated with
Graves' disease Graves' disease, also known as toxic diffuse goiter or Basedow's disease, is an autoimmune disease that affects the thyroid. It frequently results in and is the most common cause of hyperthyroidism. It also often results in an enlarged thyro ...
. Möbius postulated that hypersecretion of the
thyroid The thyroid, or thyroid gland, is an endocrine gland in vertebrates. In humans, it is a butterfly-shaped gland located in the neck below the Adam's apple. It consists of two connected lobes. The lower two thirds of the lobes are connected by ...
was a link to
goiter A goitre (British English), or goiter (American English), is a swelling in the neck resulting from an enlarged thyroid gland. A goitre can be associated with a thyroid that is not functioning properly. Worldwide, over 90% of goitre cases are ca ...
s.


Work

Today his most historically significant contribution to science is his work on the psychogenics of psychiatric and mental illnesses, such as
hysteria Hysteria is a term used to mean ungovernable emotional excess and can refer to a temporary state of mind or emotion. In the nineteenth century, female hysteria was considered a diagnosable physical illness in women. It is assumed that the bas ...
. For the first time in the German-speaking world he postulated psychological causes of disease. For this reason and because of his convincing arguments for the therapeutical effects of electrotherapy,
Sigmund Freud Sigmund Freud ( ; ; born Sigismund Schlomo Freud; 6 May 1856 – 23 September 1939) was an Austrian neurologist and the founder of psychoanalysis, a clinical method for evaluating and treating psychopathology, pathologies seen as originating fro ...
referred to Möbius as one of the fathers of
psychotherapy Psychotherapy (also psychological therapy, talk therapy, or talking therapy) is the use of Psychology, psychological methods, particularly when based on regular Conversation, personal interaction, to help a person change behavior, increase hap ...
. A further important contribution is to have given his friend, the psychiatrist
Emil Kraepelin Emil Wilhelm Georg Magnus Kraepelin (; ; 15 February 1856 – 7 October 1926) was a German psychiatrist. H. J. Eysenck's Encyclopedia of Psychology identifies him as the founder of modern scientific psychiatry, psychopharmacology and psychiatric ...
(1856-1926), important ideas to the differentiation and systematisation of mental illness. Moebius had only made one, on the causes of diseases based classification of nervous and mental diseases. Its subdivision in endogenous and exogenous errors has long been preserved and was leading the way for the psychiatry and neurology of the 20th century. Endogenous errors established in the nervous system itself, manifested as degeneration. In the long term Möbius thus paved to way for
eugenics Eugenics is a set of largely discredited beliefs and practices that aim to improve the genetic quality of a human population. Historically, eugenicists have attempted to alter the frequency of various human phenotypes by inhibiting the fer ...
and the crimes of German
Nazism Nazism (), formally named National Socialism (NS; , ), is the far-right totalitarian socio-political ideology and practices associated with Adolf Hitler and the Nazi Party (NSDAP) in Germany. During Hitler's rise to power, it was fre ...
against the psychiatrically and neurologically diseased. Also, Möbius syndrome bears his name, which he first described in 1888; and he pointed the way to understanding the cause of the endocrinological disorder
Graves' disease Graves' disease, also known as toxic diffuse goiter or Basedow's disease, is an autoimmune disease that affects the thyroid. It frequently results in and is the most common cause of hyperthyroidism. It also often results in an enlarged thyro ...
. Moebius won a still dubious fame by his pamphlet "On the Physiological Idiocy of Women" (Halle: Marhold 1900). He received the greatest contemporary recognition for carving out his own territory with this work. The key message of the work not only postulated that "idiocy of woman", but also tried to impose this on already dubious methods. Moebius received plaudits for this piece, but also criticism, such as ''The Anti-feminists'' (1902) by Hedwig Dohm (1831-1919). In further response to Moebius were written such as ''Women and Intellectualism'' by Oda Olberg in 1903 and ''Feminism and Science'' by
Johanna Elberskirchen Johanna Elberskirchen (11 April 1864 in Bonn – 17 May 1943 in Rüdersdorf) was a feminist writer and activist for the rights of women, gays and lesbians as well as blue-collar workers. She published books on women's sexuality and health among ...
in 1902. Elberskirchen said: "The truth is that when scholars make opinions concerning females, they are too much man (''Mann'') and too little or not at all scientifically reasoning human (''Mensch'')." (Elberskirchen 1902 p. 4) In other writings (such as ''Sex and Head Size'') Moebius tried to support his theses with comments that showed his misunderstanding of brain anatomy and brain physiology. "On the Physiological Idiocy of Women" went through eight editions during his lifetime. In the later editions Moebius published letters from women and men which he had received for and against the book. These letters accounted for almost half of the book at the end. In the play ''Weiningers Nacht'' by
Joshua Sobol Yehoshua Sobol, sometimes written Joshua Sobol (; born 24 August 1939), is an Israeli playwright, writer, and theatre director. Biography Yehoshua Sobol was born in Tel Mond. His mother's family fled the pogroms in Europe in 1922 and his father' ...
, Moebius appears as a follower of the philosopher
Otto Weininger Otto Weininger (; 3 April 1880 – 4 October 1903) was an Austrian philosopher who in 1903 published the book ''Geschlecht und Charakter'' (''Sex and Character''), which gained popularity after his suicide at the age of 23. Weininger had a stron ...
(1880–1903), whom he accused of plagiarism.


Partial bibliography

* ''Grundriss des deutschen Militärsanitätswesens''. Leipzig, 1878 – Outline of German military medical service. * ''Über hereditäre Nervenkrankheiten''. in
Richard von Volkmann Richard von Volkmann (17 August 1830 – 28 November 1889) was a prominent German surgeon and author of poetry and fiction. Some of his works were illustrated by his son, Hans, a well known artist. Biography He was born in Leipzig on 17 Augus ...
's Sammlung klinischer Vorträge. Leipzig, 1879 – On hereditary nervous diseases. * ''Das Nervensystem des Menschen''. Leipzig, 1880 – The
nervous system In biology, the nervous system is the complex system, highly complex part of an animal that coordinates its behavior, actions and sense, sensory information by transmitting action potential, signals to and from different parts of its body. Th ...
of humans. * ''Die Nervosität''. Leipzig, 1882; third edition, 1906 – Nervousness. * ''Über angeborene Facialis-Abducenslähmung''. Münchener mediznische Wochenschrift, 1888 – On congenital facial paralysis of the
abducens nerve The abducens nerve or abducent nerve, also known as the sixth cranial nerve, cranial nerve VI, or simply CN VI, is a cranial nerve in humans and various other animals that controls the movement of the lateral rectus muscle, one of the extraocula ...
. * ''Die Basedowsche Krankheit''. In Hermann Nothnagel's Handbuch der speciellen Pathologie und Therapie. Volume 12;
Vienna Vienna ( ; ; ) is the capital city, capital, List of largest cities in Austria, most populous city, and one of Federal states of Austria, nine federal states of Austria. It is Austria's primate city, with just over two million inhabitants. ...
- 1894; second edition, 1903 – On Graves' disease. * ''Über den physiologischen Schwachsinn des Weibes''. Slg. Abh. Nervenkrkh. Volume 3, H. 3. Halle, 1900; ninth edition, 1908 – On the physiological idiocy of women. * ''Beiträge zur Lehre von den Geschlechtsunterschieden''. Halle, 1903–1904 – Contributions to the theory of gender differences. * ''Im Grenzlande''. ''Aufsätze über Sachen des Glaubens''. Leipzig, 1905 – In the Borderlands; Essays on matters of faith.Bibliography of Möbius
@
Who Named It ''Whonamedit?'' is an online English-language dictionary of medical eponyms and the people associated with their identification. Though it is a dictionary, many eponyms and persons are presented in extensive articles with comprehensive bibliograp ...


References


External links


''Paul Julius Möbius''
@
Who Named It ''Whonamedit?'' is an online English-language dictionary of medical eponyms and the people associated with their identification. Though it is a dictionary, many eponyms and persons are presented in extensive articles with comprehensive bibliograp ...
* {{DEFAULTSORT:Mobius, Paul Julius German neurologists 1853 births 1907 deaths Physicians from Leipzig