Editing 1909 in science (section)

==Physiology and medicine==
* July – [[Ivy Evelyn Woodward]] is admitted as the first woman Member of the [[Royal College of Physicians]] in the United Kingdom.<ref>{{cite book|title=A history of the Royal College of Physicians of London|volume=3|last=Cooke|first=A. M.|publisher=Clarendon Press for the Royal College of Physicians|year=1972|page=976}}</ref><ref>{{cite book|title=Professions and Patriarchy|last=Witz|first=Anne|year=2016|place=London|publisher=Routledge|isbn=9781138135796|oclc=938993033}}</ref>
* September – [[Sigmund Freud]] delivers his only lectures in the United States, on [[psychoanalysis]], at [[Clark University]], Worcester, Massachusetts, giving public recognition to the subject in the anglophone world.
* Austro-Hungarian neurologist and psychiatrist [[Rezső Bálint (physician)|Rezső Bálint]] first describes [[Bálint's syndrome]].<ref>{{cite journal|doi=10.1159/000210464|title=Seelenlähmung des 'Schauens', optische Ataxie, räumliche Störung der Aufmerksamkeit|trans-title=Soul imbalance of 'seeing', optical ataxia, spatial disturbance of attention|language=German|journal=European Neurology|volume=25|pages=51–66|year=1909|last=Bálint|first=Rudolph|url=https://zenodo.org/record/1448605|access-date=2025-02-09|archive-date=2019-08-24|archive-url=https://web.archive.org/web/20190824130814/https://zenodo.org/record/1448605|url-status=live}}</ref>
* German neurologist [[Korbinian Brodmann]] defines the [[cytoarchitecture]] of the [[Brodmann area]] of the [[cerebral cortex]].<ref>{{citation|first=K.|last=Brodmann|title=Vergleichende Lokalisationslehre der Großhirnrinde in ihren Prinzipien dargestellt auf Grund des Zellenbaues.|year=1909}}</ref>
* Brazilian physician and [[Infectology|infectologist]] [[Carlos Chagas]] first describes [[Chagas disease]].<ref>{{cite journal|last=Chagas|first=C.|title=Neue Trypanosomen|journal=Vorläufige Mitteilung Archiv für Schiffs-und Tropenhygiene|year=1909|volume=13|pages=120–2}}</ref><ref>{{cite journal|author1=Redhead, S. A. |author2=Cushion, M. T. |author3=Frenkel, J. K. |author4=Stringer, J. R. |title=''Pneumocystis'' and ''Trypanosoma cruzi'': nomenclature and typifications|journal=Journal of Eukaryotic Microbiology|year=2006|pages=2–11|volume=53|issue=1|pmid=16441572|doi=10.1111/j.1550-7408.2005.00072.x}}</ref><ref>{{cite journal|last=Chagas|first=C.|title=Nova tripanozomiase humana: Estudos sobre a morfolojia e o ciclo evolutivo do Schizotrypanum cruzi n. gen., n. sp., ajente etiolojico de nova entidade morbida do homem [New human trypanosomiasis: Studies about the morphology and life-cycle of ''Schizotripanum cruzi'', etiological agent of a new morbid entity of man]|journal=Memórias do Instituto Oswaldo Cruz|year=1909|volume=1|issue=2|pages=159–218|issn=0074-0276|doi=10.1590/S0074-02761909000200008|doi-access=free}}</ref><ref>{{cite journal|journal=História, Ciências, Saúde – Manguinhos|date=July 2009|volume=16|issue=Suppl 1|pages=13–34|title=The discovery of Trypanosoma cruzi and Chagas disease (1908–1909): tropical medicine in Brazil|last1=Kropf|first1=S. P.|last2=Sá|first2=Magali Romero|pmid=20027916|doi=10.1590/s0104-59702009000500002|doi-access=free}}</ref>
* French [[otolaryngologist]] [[Étienne Lombard]] discovers the [[Lombard effect]].<ref>{{cite journal|last=Lombard|first=É.|title=Le signe de l'élévation de la voix|journal=Annales des Maladies de l'Oreille et du Larynx|volume=XXXVII|issue=2|pages=101–9|year=1911}}</ref><ref>{{cite journal|author=Lane, H.|author2=Tranel, B.|title=The Lombard sign and the role of hearing in speech|journal=Journal of Speech and Hearing Research|volume=14|issue=4|pages=677–709|year=1971|doi=10.1044/jshr.1404.677}}</ref>
* In [[psychology]], [[Edward B. Titchener]] makes the first published coinage of the term ''[[Empathy]]'' as a translation of the German {{lang|de|Einfühlungsvermögen}}.<ref>''Lectures on the Experimental Psychology of the Thought-Processes''. New York: Macmillan, 1909. {{cite web |title=empathy, ''n''. |work=[[Oxford English Dictionary]] online version |publisher=Oxford University Press |url=https://www.oed.com/view/Entry/61284 |url-access=subscription |accessdate=2012-02-16 |archive-url=https://web.archive.org/web/20220304034318/https://www.oed.com/view/Entry/61284 |archive-date=2022-03-04 |url-status=live |date=December 2011 }} {{OEDsub}}</ref>