Date of Birth: 
About Pierre Bonnier
- Pierre Bonnier (16 August 1861 in Templeuve – 22 March 1918 in Paris) was a French otologist.
- He was the brother of architect Louis Bonnier (1856–1946). He studied medicine in Paris, and in 1897 began work as an assistant in the medical clinic of the Hôtel-Dieu in Paris.
- In 1901 he was named president of Société d’Otologie et de Laryngologie de Paris.
- He was a member of the Institut Psychologique (from 1902) and the Société de Neurologie (from 1903).He specialized in research of auditory and vestibular systems and their disorders.
- The eponymous "Bonnier syndrome" is a syndrome characterized by deafness, ocular disturbances and other symptoms due to a lesion of the nucleus of Deiters.
- Around 1905 he introduced the term aschématie (aschematia) for a group of symptoms indicated by an inadequate account of the space occupied by some part of the body.
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