B.E. Swartz and E.S. Goldenshon. Time line of the history of EEG and associated fields, in Electroenceph. Clin. Neurophysiol., 106:173-176,1998.
Dal 4000 A.C. all'anno 0ca. 4000 A.C. - I Sumeri riportano gli effetti euforizzanti del papavero ca. 2700 A.C. - Shen Nung inventa l'agopuntura ca. 1700 A.C. - Gli egiziani scrivono l' Edwin Smith surgical papyrus, la prima descrizione scritta del sistema nervoso ca. 500 A.C. - Alcmaion di Crotona disseziona i nervi sensitivi
460-379 A.C. - Hippocrates discusses epilepsy as a disturbance of thebrain
460-379 A.C. - Hippocrates states that the brain is involved with sensation and is the seat of intelligence.
387 A.C. - Plato teaches at Athens. Believes brain is seat of mental process
335 A.C. - Aristotle writes on sleep; believes heart is seat of mental process
335-280 A.C. - Herophilus (the "Father of Anatomy"); believes ventricles are seat of human intelligence.
280 A.C. - Erasistratus of Chios notes divisions of the brain
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Ippocrate
Per cortesia della Blocker History of MedicineCollections,
Moody Medical Library, Univ. Texas Med. Branch,Galveston
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0 A.D. to 1500
177 - Galen lecture "On the Brain"
ca. 100 - Marinus describes the tenth cranial nerve
ca. 1000 - Alhazen compares the eye to a camera-like device
1316 - Mondino de'Luzzi writes the first European anatomy textbook(Anothomia)
1410 - Institution for the mentally ill established in Valencia, Spain
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Imagecourtesy of the NationalLibrary of Medicine,
History of Medicine Collection
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1500 - 1600
1504 - Leonardo da Vinciproduces wax cast of human ventricles
1536 - Nicolo Massa describes the cerebrospinal fluid
1543 - Andreas Vesalius publishes "On the Workings of the Human Body"
1543 - Andreas Vesalius discusses pineal gland and draws the corpus striatum
1552 - Bartolomeo Eustachio completes "Tabulae Anatomicae"
1561 - Gabriele Falloppio publishes "Observationes Anatomicae"and describes some of the cranial nerves
1562 - Bartolomeo Eustachio publishes "The Examination of the Organ ofHearing"
1564 - Aranzi coins term "hippocampus"
1573 - Constanzo Varolio names the pons
1573 - Constanzo Varolio is first to cut brain starting at its base
1583 - Felix Platter states that the lens only focuses light
1586 - A. Piccolomini distinguishes between cortex and white matter
1587 - Giulio Cesare Aranzi describes ventricles and hippocampus
1590 - Zacharias Janssen invents thecompound microscope |

Leonardo Da Vinci

Andreas Vesalius
Image courtesy of the Blocker History of MedicineCollections,
Moody Medical Library, Univ. Texas Med. Branch,Galveston
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1600 - 1700
1604 - Johannes Kepler describes inverted retinal image
1609 - J. Casserio publishes first description of mammillary bodies
1641 - Francis de la Boe Sylvius describes fissure on the lateral surfaceof the brain (Sylvian fissure)
1649 - Rene Descartes describes pineal as control center of body and mind
1658 - Johann Jakof Wepfer theorizes that a broken brain blood vessel maycause apoplexy (stroke)
1662 - Rene Descartes "De homine" is published (He died in1650)
1664 - Thomas Willis publishes "Cerebri anatome"
1664 - Thomas Willis describes the eleventh cranial nerve
1664 - Gerardus Blasius discovers and names the "arachnoid."
1665 - RobertHooke details his first microscope
1668 - l'Abbe Edme Mariotte discovers the blind spot
1670 - William Molins names the trochlear nerve
1673 - Joseph DuVerney uses experimental ablation technique in pigeons
1684 - Raymond Vieussens publishes "Neurographia Universalis"
1684 - Raymond Vieussens uses boiling oil to harden the brain
1695 - Humphrey Ridley describes the restiform body
1695 - Humphrey Ridley publishes "The Anatomy of theBrain"
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Thomas Willis
Image courtesy of the Blocker History of MedicineCollections,
Moody Medical Library, Univ. Texas Med. Branch,Galveston
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1700 - 1800
1704 - Antonio Valsalva publishes "On the Human Ear"
1705 - AntonioPacchioni describes arachnoid granulations
1709 - Domenico Mistichelli describes pyramidal decussation
1717 - Antonyvan Leeuwenhoek describes nerve fiber in cross section
1736 - Jean Astruc coins the term reflex
1740 - Emanuel Swedenborg publishes "Oeconomia regni animalis"
1764 - D.F.A. Cotugno describes spinal subarachnoid cerebrospinal fluid
1772 - John Walsh conducts experiments on torpedo (electric) fish
1773 - John Fothergill describes trigeminal neuralgia (tic douloureux,Fothergill's syndrome)
1774 - Franz Anton Mesmer introduces "animal magnetism" (later called hypnosis)
1776 - Sir Joseph Priestley discovers nitrous oxide
1776 - M.V.G. Malacarne publishes first book solely devoted to thecerebellum
1777 - Philip Meckel proposes that the inner ear is filled with fluid, notair
1779 - Antonius Scarpa describes Scarpa's ganglion of the vestibularsystem
1782 - Francesco Gennari publishes work on "lineola albidior" (later known as the stripe of Gennari)
1786 - FelixVicq d'Azyr discovers the locus coeruleus
1791 - LuigiGalvani publishes work on electrical stimulation of frog nerves
1794 - John Dalton describes color blindness
1796 - Johann Christian Reil describes the insula (island of Reil)
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Antony van Leeuwenhoek

Franz Anton Mesmer
Images courtesy of the Blocker History of MedicineCollections,
Moody Medical Library, Univ. Texas Med. Branch,Galveston
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1800 - 1850
1800 - Alessandro Volta invents the wet cell battery
1800 - Humphrey Davy synthesizes nitrous oxide
1803 - Friedrich Serturner isolates morphine from opium
1805 - Felix Vicq d'Azyr discovers the red nucleus
1808 - Franz JosephGall publishes work on phrenology
1809 - Johann Christian Reil uses alcohol to harden the brain
1809 - Luigi Rolando uses galvanic current to stimulate cortex
1811 - Julien Jean Legallois discovers respiratory center in medulla
1811 - CharlesBell discusses functional differences between dorsal and ventral roots of the spinal cord
1813 - Felix Vicq d'Azyr discovers the claustrum
1817 - JamesParkinson publishes "An Essay on the ShakingPalsy"
1818 - Library of the Surgeon General's Office established (later tobecome the Army Medical Library and then the National Library ofMedicine)
1820 - Galvanometer invented
1821 - Charles Bell describes facial paralysis ipsilateral to facial nervelesion (Bell's palsy)
1821 - FrancoisMagendie discusses functional differences between dorsal and ventral roots of the spinal cord
1822 - Friedrich Burdach names the cingular gyrus
1822 - Friedrich Burdach distinguishes lateral and medial geniculate
1823 - Marie-Jean-Pierre Flourens states that cerebellum regulates motor activity
1824 - John C. Caldwell publishes "Elements of Phrenology"
1824 - Marie-Jean-Pierre Flourens details ablation to study behavior
1824 - F. Magendie provides first evidence of cerebellum role in equilibration
1825 - John P. Harrison first argues against phrenology
1825 - Jean-Baptiste Bouillaud presents cases of loss of speech afterfrontal lesions.
1825 - Robert B. Todd discusses the role of the cerebral cortex inmentation, corpus striatum in movement and midbrain in emotion.
1825 - Luigi Rolando describes the sulcus that separates the precentraland postcentral gyri
1826 - JohannesMuller publishes theory of "specific nerve energies"
1827 - F. Magendie discovers foramen of Magendie
1832 - Chloral hydrate discovered
1836 - Marc Dax reads paper on left hemisphere damage effects onspeech.
1836 - Gabriel Gustav Valentin identifies neuron nucleus and nucleolus
1836 - Robert Remak describes myelinated and unmyelinated axons
1836 - Charles Dickens (the novelist) describes obstructive sleepapnea
1837 - Jan Purkyne (Purkinje) describes cerebellar cells; identifiesneuron nucleus and processes
1838 - Robert Remak suggests that nerve fiber and nerve cell are joined
1839 - Theodor Schwann proposes the cell theory
1839 - C. Chevalier coins the term microtome
1839 - Francois Leuret names the Rolandic sulcus for LuigiRolando
1840 - Adolph Hannover uses chromic acid to harden nervous tissue
1840 - J.G.F. Baillarger discusses the connections between white and graymatter of cerebral cortex
1842 - Benedikt Stilling is first to study spinal cord in serial sections
1842 - Crawford W. Long uses ether on man
1843 - James Braid coins term "hypnosis"
1844 - Robert Remak provides first illustration of 6-layered cortex
1846 - Carlo Matteucci invents the kymograph
1844 - Horace Wells uses nitrous oxide during a tooth extraction
1846 - William Morton demonstrates ether anesthesia at Mass. Gen. Hospital
1847 - Chloroform anesthesia used by James Young Simpson
1847 - American Medical Association is founded
1848 - Phineas Gage has his brain pierced by an ironrod
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1900 - 1950
1900 - SigmundFreud publishes TheInterpretation of Dreams
1900 - C.S. Sherrington states that cerebellum is head ganglion of the proprioceptive system
1902 - Julius Bernstein proposes membrane theory for cells
1903 - Ivan Pavlov coins term conditioned reflex
1903 - Alfred W. Campbell studies cytoarchitecture of anthropoid cerebralcortex.
1904 - Procaine is synthesized
1905 - Alfred Binet and Theodore Simon have their first intelligence test
1906 - AloisAlzheimer describes presenile degeneration
1906 - Golgi and Cajal-Nobel Prize-Structure of the Nervous System
1906 - Sir Charles S. Sherrington publishes The Integrative Action ofthe Nervous system that describes the synapse and motor cortex.
1907 - Ross Granville Harrison describes tissue culture methods
1907 - John N. Langley introduces the concept of receptor molecules
1908 - Vladimir Bekhterew describes the superior nucleus of the vestibularnerve (Bekhterew's nucleus)
1908 - V. Horsley and R.H. Clarke design stereotaxic instrument
1909 - HarveyCushing is first to electrically stimulate human sensory cortex
1909 - KorbinianBrodmann describes 52 discrete cortical areas
1910 - Emil Kraepelin names Alzheimer's disease
1911 - Allvar Gullstrand-Nobel Prize-Optics of the eye
1911 - Eugen Bleuler coins term schizophrenia
1913 - Santiago Ramon y Cajal develops gold chlride-mercury stain to showastrocytes.
1913 - Edwin Ellen Goldmann finds blood brain barrier impermeable to large molecules
1913 - Edgar Douglas Adrian publishes work on all-or-none principle in nerve
1913 - Walter Samuel Hunter devises delayed-response test
1914 - Robert Barany-Nobel Prize-Vestibular apparatus
1914 - Henry H. Dale isolates acetylcholine
1915 - J.G. Dusser De Barenne describes activity of brain after strychnine application
1915 - Aspirin becomes available without a prescription
1916 - Richard Henneberg coins term cataplexy
1918 - Walter E. Dandy introduces the ventriculography
1919 - CecileVogt describes over 200 cortical areas
1919 - Walter E. Dandy introduces the air encephalography
1919 - GordonMorgan Holmes localizes vision to striate area
1920 - Society of Neurological Surgeons is founded.
1920 - HenryHead publishes "Studies in Neurology"
1921 - Otto Loewi publishes work on Vagusstoff
1921 - Hermann Rorschach develops the ink blot test
1921 - John Augustus Larsen and Leonard Keeler develop the polygraph
1922 - Army Medical Library established (was the Library of the SurgeonGeneral's Office)
1924 - Charles Scott Sherrington discovers the stretch reflex
1925 - C.von Economo and G.N. Koskinas revise Brodmann's corticalnomenclature of the cerebral cortex.
1926 - Percival Bailey and Harvey Cushing publish paper describing morethe 2,000 neuroepithelial neoplasms.
1927 - Chester William Darrow studies galvanic skin reflex in US
1928 - P. Bard suggests the neural mechanism of rage is in the diencephalon
1928 - Walter R. Hess reports "affective responses" to hypothalamic stimulation
1928 - John Fulton publishes his observations (made in 1926 and 1928) ofthe sounds of blood flowing over the human visual cortex.
1929 - HansBerger demonstrates first human electroencephalogram
1929 - KarlLashley defines "equipotentiality" and "mass action"
1927 - J.Wagner-Jauregg - Nobel Prize-Malaria to treat dementia paralyses
1929 - Joseph Erlanger and Herbert Spencer Gasser publish work on thecorrelation of nerve fiber size and function
1930 - JohnCarew Eccles shows central inhibition of flexor reflexes
1932 - Max Knoll and Ernst Ruska invent the electron microscope
1932 - Jan Friedrich Tonnies develops multichannel ink-writing EEG machine
1932 - Edgar Douglas Adrian and Charles S. Sherrington share Nobel Prize for work on the function of neurons
1932 - J.F. Toennies and Brian Matthews design the differentialamplifier
1932 - Walter B. Cannon coins the term homeostasis
1933 - Ralph Waldo Gerard describes first experimental evoked potentials
1934 - S. Howard Bartley performs studies on cortical visual evokedpotentials in rabbits
1935 - Frederic Bremer uses cerveau isole preparation to study sleep
1936 - EgasMoniz publishes work on the first human frontal lobotomy
1936 - Henry Hallett Dale and Otto Loewi share Nobel Prize for work on the chemical transmission between nerves
1936 - Walter Freeman performs first lobotomy in theUnited States
1937 - JamesPapez publishes work on limbic circuit
1936 - Massachusetts General Hospital has first EEG laboratory
1937 - Heinrich Kluver and Paul Bucy publish work on bilateral temporal lobectomies
1937 - James W. Papez develops "visceral theory" of emotion
1937 - J.Z. Young suggests that the squid giant axon can be used tounderstand nerve cells
1938 - B.F.Skinner publishes "The Behavior of Organisms" thatdescribes operant conditioning
1938 - Albert Hofmann synthesizes LSD
1938 - UgoCerletti and Lucino Bini treat human patients withelectroshock
1939 - Carl Pfaffman describes directionally sensitive cat mechanoreceptors
1939 - Nathaniel Kleitman publishes Sleep and Wakefulness
1943 - John Raymond Brobeck describes hypothalamic hyperphasia
1944 - Joseph Erlanger and Herbert Spencer Gasser share Nobel Prize for work on the functions of single nerve fiber
1946 - Theodor Rasmussen describes the olivocochlear bundle (bundle ofRasmussen)
1946 - Kenneth Cole develops the voltage clamp
1947 - The American EEG Society is founded
1949 - A.C.A.F. Egas Moniz-Nobel Prize-Leucotomy to treat certain psychoses
1949 - Walter Rudolph Hess receives Nobel Prize for work on the "Interbrain"
1949 - Horace Winchell Magoun defines the reticular activating system
1949 - G. Moruzzi and H. Magoun publish Brain Stem Reticular Formationand Activation of the EEG
1949 - Donald O. Hebb publishes The Organization of Behavior: ANeuropsychological Theory.
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HarveyCushing
Image courtesy of the National Library of Medicine,
History of MedicineCollection

EgasMoniz
Image courtesy of the National Library of Medicine,
History of MedicineCollection
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1950 - present
1950 - Karl Lashley publishes "In Search of the Engram"
1950 - Eugene Roberts identifies GABA in the brain
1950 - The National Institute of Neurological Disorders and Strokeestablished (it has gone through several name changes)
1951 - MAO-inhibitors introduced to treat psychotics
1952 - A.L. Hodgkin and A.F. Huxley first describe the voltage clamp
1953 - Eugene Aserinski and Nathaniel Kleitman describe rapid eye movements (REM) during sleep
1953 - H. Kluver and E. Barrera introduce Luxol fast blue MBS stain
1953 - Stephen Kuffler publishes work on center-surround, on-offorganization of retinal ganglion cell receptive fields
1954 - James Olds describes rewarding effects of hypothalamic stimulation
1954 - John Lilly invents the "isolation tank"
1954 - Chlorpromazinewas approved by the U.S. Food and Drug Administration
1956 - L. Leksell uses ultrasound to examine the brain
1956 - National Library of Medicine named (was the Army MedicalLibrary)
1957 - W.Penfield and T. Rasmussen devise motor andsensory humunculus
1960 - Oleh Hornykiewicz shows that brain dopamine is lower than normal in Parkinson's disease patients
1961 - GeorgVon Bekesy awarded the Nobel Prize for his work on the function of thecochlea
1963 - John Carew Eccles, Alan Lloyd Hodgkin and Andrew Fielding Huxley share Nobel Prize for work on the mechanisms of the neuron cell membrane
1965 - Ronald Melzack and Patrick D. Wall publish gatecontrol theory of pain
1967 - Ragnar Arthur Granit, Halden Keffer Hartline and George Wald share Nobel Prize for work on the mechanisms of vision
1968 - National Eye Institute is established
1969 - D.V. Reynolds describes the analgesic effect of electricalstimulation of the periaqueductal gray
1970 - Society for Neuroscience is founded
1970 - Julius Axelrod, Bernard Katz and Ulf Svante von Euler share Nobel Prize for work on neurotransmitters
1972 - C. Hounsfield develops x-ray computed tomography
1973 - Candace Pert and Solomon Snyder demonstrate opioid receptors in brain
1973 - Sinemet is introduced as a treatment for Parkinson's disease
1973 - Konrad Z. Lorenz, Nikolaas Tinbergen and Karl von Frisch share Nobel Prize for work on ethology
1974 - National Institute on Drug Abuse established
1974 - International Association for the Study of Pain founded
1974 - John Hughes and Hans Kosterlitz discover enkephalin
1974 - M.E.Phelps, E.J.Hoffman and M.M.Ter Pogossian develop first PET scanner
1975 - John Hughes and Hans Kosterlitz publish work on enkephalins
1976 - Choh Hao Li and David Chung publish work on beta-endorphin
1977 - Roger Guillemin and Andrew Victor Schally share Nobel Prize for work on peptides in the brain
1981 - David Hunter Hubel and Torsten N. Wiesel-Nobel Prize-visual system
1981 - RogerWolcott Sperry awarded Nobel Prize-functions brain hemispheres
1982 - Bengt Ingemar Bergstrom, John Robert Vane and Sune K. Bergstromawarded Nobel Prize for the discovery of prostaglandins.
1986 - Stanley Cohen and Rita Levi-Montalcini awarded Nobel prize fortheir work on the control of nerve cell growth.
1987 - Fluoxetine(Prozac) introduced as treatment for depression.
1990 - U.S. President George Bush declares the decade starting in 1990 the"Decade of the Brain".
1991 - Erwin Neher and Bert Sakmann share the Nobel Prize for their workon the function of singla ion channels.
1992 - National Institute on Drug Abuse becomes part of the NationalInstitutes of Health
1994 - Alfred G. Gilman and Martin Rodbell share the Nobel Prize for theirdiscovery of G-protein coupled receptors and their role in signaltransduction.
1997 - Stanley B. Prusiner awarded the Nobel Prize for the discovery ofprions; a new biological principle of infection.
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Wilder Penfield

RogerSperry
Courtesy of the Archives
CaliforniaInstitute of Technology |
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