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Roger Wolcott Sperry (1913–1994)
By: Dina A. Lienhard
| Published: Feb 26, 2018
Roger Wolcott Sperry studied the function of the nervous system in the US during the twentieth century. He studied split-brain patterns in cats and…
Split brainCorpus callosumEpilepsySplit-Brain ProcedureNeurons
The Formation of Reticular Theory
By: Isra Mishqat
| Published: Jun 19, 2017
In the nineteenth century, reticular theory aimed to describe the properties of neurons, the specialized cells which make up the nervous system, but…
Nerve TissueNervous SystemNobel Prize winnersBrainNeurons
The Neuron Doctrine (1860-1895)
By: Isra Mishqat
| Published: Jun 15, 2017
The neuron doctrine is a concept formed during the turn of the twentieth century that describes the properties of neurons, the specialized cells that…
NeuronsAxonsDendritesNervous SystemSynapses
Camillo Golgi's Black Reaction for Staining Neurons
By: Isra Mishqat
| Published: May 26, 2017
In 1873 Italy, Camillo Golgi created the black reaction technique, which enabled scientists to stain and view the structure of neurons, the…
TechnologyNeuronsAxonsDendritesSilver Nitrate
Camillo Golgi (1843–1926)
By: Isra Mishqat
| Published: Feb 23, 2017
Camillo Golgi studied the central nervous system during the late nineteenth and early twentieth centuries in Italy, and he developed a staining…
Nerve TissueGolgi ApparatusSilver NitrateNervous SystemNobel Prize winners
Julia Barlow Platt (1857-1935)
By: Karina Ramirez
| Published: Jun 27, 2016
Julia Barlow Platt studied neural crests in animal embryos and became involved in politics in the US during the nineteenth and twentieth centuries.…
DogfishNeural CrestNervous SystemCartilageGerm Layers
"The Effects of Wing Bud Extirpation on the Development of the Central Nervous System in Chick Embryos" (1934), by Viktor Hamburger
By: Lijing Jiang
| Published: Nov 22, 2010
German embryologist Viktor Hamburger came to the US in 1932 with a fellowship provided by the Rockefeller Foundation. Hamburger started his research…
LiteraturePublicationsExperimentsNervous SystemChicks
Viktor Hamburger's Study of Central-Peripheral Relations in the Development of Nervous System
By: Lijing Jiang
| Published: Nov 19, 2010
An important question throughout the history of embryology is whether the formation of a biological structure is predetermined or shaped by its…
Hamburger, Viktor, 1900-2001ExperimentsNervous SystemCell Death
Syncytial Theory
By: Adam R. Navis
| Published: Oct 30, 2007
The syncytial theory of neural development was proposed by Victor Hensen in 1864 to explain the growth and differentiation of the nervous system.…
Hensen, Victor, 1835-1924Nervous SystemNeurons