Georges de Morsier (25 February 1894,

Paris Paris () is the Capital city, capital and List of communes in France with over 20,000 inhabitants, most populous city of France, with an estimated population of 2,165,423 residents in 2019 in an area of more than 105 km² (41 sq mi), ma ...

– 9 January 1982,

Geneva , neighboring_municipalities= Carouge, Chêne-Bougeries, Cologny, Lancy, Grand-Saconnex, Pregny-Chambésy, Vernier, Veyrier , website = https://www.geneve.ch/ Geneva ( ; french: Genève ) frp, Genèva ; german: link=no, Genf ; it, Ginevr ...

) was a Swiss

neurologist Neurology (from el, νεῦρον (neûron), "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 brain, the spinal c ...

. He studied natural sciences and medicine in

and subsequently went to Paris as a

resident Resident may refer to: People and functions * Resident minister, a representative of a government in a foreign country * Resident (medicine), a stage of postgraduate medical training * Resident (pharmacy), a stage of postgraduate pharmaceuti ...

to psychiatrist Gaétan de Clérambault. In 1928 he became '' Privatdozent'' for neurology and psychiatry and in 1941 associate professor at Geneva University, where in 1960, he was appointed professor of neurology. From 1962 onward, he was director of the neurological polyclinic of Geneva University Hospital (HUG). From 1946 to 1949 he was also president of the Swiss Neurological Society. Known for his research of

visual hallucinations A hallucination is a perception in the absence of an external stimulus that has the qualities of a real perception. Hallucinations are vivid, substantial, and are perceived to be located in external objective space. Hallucination is a combinati ...

, he is credited with coining the terms "

Charles Bonnet syndrome Visual release hallucinations, also known as Charles Bonnet syndrome or CBS, are a type of psychophysical visual disturbance in which a person with partial or severe blindness experiences visual hallucinations. First described by Charles Bonnet in ...

" (named after Swiss biologist

Charles Bonnet Charles Bonnet (; 13 March 1720 – 20 May 1793) was a Genevan naturalist and philosophical writer. He is responsible for coining the term ''phyllotaxis'' to describe the arrangement of leaves on a plant. He was among the first to notice parthe ...

) and "Zingerle syndrome" (named after Austrian neurologist Hermann Zingerle) for specific hallucinatory conditions. He also honored his mentor, Gaétan de Clérambault, with a syndrome — it being defined as a hallucinatory state characterized by auditory and visual hallucinations associated with chronic

psychosis Psychosis is a condition of the mind that results in difficulties determining what is real and what is not real. Symptoms may include delusions and hallucinations, among other features. Additional symptoms are incoherent speech and behavior ...

. The condition was earlier described by Clérambault in the context with his research on mental automatisms. The eponym " De Morsier's syndrome" is a synonym for septo-optic dysplasia.

Bibliography

* ''Les trémulations fibrillaires et la contracture rigide du cœur''. Medical thesis, Geneva 1922. * ''Pathologie du diencéphale. Les syndromes psychologiques et syndromes sensorio-moteurs''. Schweizer Archiv für Neurologie und Psychiatrie, Zurich, 1944, 54: 161-226. * ''Études sur les dysraphies, crânioencéphaliques. III. Agénésie du septum palludicum avec malformation du tractus optique. La dysplasie septo-optique''. Schweizer Archiv für Neurologie und Psychiatrie, Zurich, 1956, 77: 267-292. * ''Contribution à l’étude clinique des altérations de la formation réticulée: Le syndrome sensorio-moteur et psychologique''. Journal of the Neurological Sciences, Amsterdam, 1966, 4: 15-49 * ''L'enseignement de neurologie''. In : La faculté de Médecine de Genève 1876-1976. Genève 1978. p. 86-89..Georges de Morsier - bibliography
@ Who Named It

References

External links

Reappraisal of the optic nerve hypoplasia syndrome
J Neuroophthalmol. 2012 Mar;32(1):58-67. doi: 10.1097/WNO.0b013e31824442b8. {{DEFAULTSORT:Morsier, Georges de 1894 births 1982 deaths Academic staff of the University of Geneva Swiss neurologists Scientists from Paris