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Michael Gazzaniga

Michael Gazzaniga

American neuroscientist
Michael Gazzaniga
The basics

Quick Facts

Intro American neuroscientist
Is Psychologist Neuroscientist Physician Writer Professor Educator Neurologist
From United States of America
Type Academia Healthcare Literature Science
Gender male
Birth 12 December 1939, Los Angeles, Los Angeles County, California, USA
Age 81 years
Star sign Sagittarius
Residence Santa Barbara, Santa Barbara County, California, USA
Education
Dartmouth College
California Institute of Technology
Awards
Guggenheim Fellowship  
Ariëns Kappers Medal 1999
William James Fellow Award 2015
APA Award for Distinguished Scientific Contributions to Psychology 2008
Fellow of the Society of Experimental Psychologists  
AAAS Fellow  
Peoplepill ID michael-gazzaniga
The details (from wikipedia)

Biography

Michael S. Gazzaniga (born December 12, 1939) is a professor of psychology at the University of California, Santa Barbara in the USA, where he heads the new SAGE Center for the Study of the Mind. He is one of the leading researchers in cognitive neuroscience, the study of the neural basis of mind. He is a member of the American Academy of Arts & Sciences, the Institute of Medicine, and the National Academy of Sciences.

Biography

In 1961, Gazzaniga graduated from Dartmouth College in the USA. In 1964, he received a Ph.D. in psychobiology from the California Institute of Technology, where he worked under the guidance of Roger Sperry, with primary responsibility for initiating human split-brain research. In his subsequent work he has made important advances in our understanding of functional lateralization in the brain and how the cerebral hemispheres communicate with one another.

Gazzaniga's publication career includes books for a general audience such as The Social Brain, Mind Matters, Nature's Mind, The Ethical Brain and Who's in Charge?. He is also the editor of The Cognitive Neurosciences book series published by the MIT Press, which features the work of nearly 200 scientists and is a sourcebook for the field. His latest monograph is entitled Who's in Charge?: Free Will and the Science of the Brain. It was published by HarperCollins in 2011.

Gazzaniga founded the Centers for Cognitive Neuroscience at the University of California, Davis and at Dartmouth College, the Neuroscience Institute, and the Journal of Cognitive Neuroscience, of which he is the Editor-in-Chief Emeritus. Gazzaniga was a member of U.S. President George W. Bush's Council on Bioethics. He was also the Director of the Law and Neuroscience Project, a project to study the intersection of law and neuroscience.

In 2019, Trinity College Dublin awarded him with an honorary doctorate.

Cultural influence

Gazzaniga's work is mentioned in the novel Peace on Earth by Stanisław Lem. It is also mentioned in Chapter 8 of Homo Deus by Yuval Noah Harari

In 2010 a tribute volume to the work of Gazzaniga was published, containing contributions by Joseph LeDoux, Stephen Kosslyn, Steven Pinker and others.

Studies

Gazzaniga has led pioneering studies in learning and understanding split brained patients and how their brains work. He has performed numerous studies and done large amounts of research on split brain patients to provide a higher quality understanding into the lives of those affected by this rare phenomenon. He has studied how people who have the two halves of the brain separated function in comparison to those who do not. Gazzaniga has looked into what bodily functions are controlled by each half of the brain. He has looked at what split brained patients are able to do as a result of their condition such as the ability to draw two different objects with each hand, an ability that a person with a non split brain is unable to do. They study how those with split brain act emotionally and physically in comparison to those who do not have a split brain. Through Gazzaniga’s studies a much greater understanding of the split brain phenomenon has been brought to other physiologists as well as the general population of the world.

Patient W.J.

Patient W.J. was a World War II paratrooper who got hit in the head with a rifle butt, after which he started having seizures. Before his operation to try to fix the seizures, Gazzaniga tested his brain functions. This included presenting stimuli to the left and right visual fields and identifying objects in his hands that were out of view. He was able to perform these tasks perfectly and afterwards he had the surgery that split his corpus callosum and anterior commissure. After his surgery, he was brought in again for testing with Gazzaniga in which stimuli such as letters and light bursts were flashed to the left and right visual fields. The stimuli flashed to the right visual field were processed by the brain’s left hemisphere, which contains the language center, so he was able to press a button to indicate he saw the stimulus and could verbally report what he had seen. However, when the stimuli were flashed to the left visual field, and thus the right hemisphere, he would press the button, but could not verbally report having seen anything. When they modified the experiment to have him point to the stimulus that was presented to his left visual field and not have to verbally identify it, he was able to perform this task accurately.

Patient W.J.’s divided corpus callosum could also cause conflicts between the hemispheres. An example of this could be seen with his hands, where each hand was controlled by the opposite hemisphere, and there was no communication between the two. This would result in moments where one hand might reach out to open a car door while the other would try to stop that hand from opening the door.

Patient P.S.

Patient P.S. was a teenage boy in whom it was shown that language comprehension was possible in the right hemisphere. When the word “girlfriend” was flashed to his left visual field, and thus his right hemisphere, he could not verbally say the name of his “crush”, but he then spelled out the name “Liz” with Scrabble tiles. This suggested that even though verbal language was not possible in the right hemisphere, there was a form of language possible through gesturing and left hand movements.

Publications

  • Gazzaniga, Michael S. (1970). The Bisected Brain. New York: Appleton-Century-Crofts. ISBN 978-0-390-35278-1.
  • Gazzaniga, Michael S.; LeDoux, Joseph E. (1978). The Integrated Mind. New York: Plenum Pr. ISBN 978-0-306-31085-0.
  • Gazzaniga, Michael S. (1987). Social Brain: Discovering the Networks of the Mind. Basic Books. ISBN 978-0-465-07850-9.
  • Gazzaniga, Michael S. (1988). Mind Matters: How Mind and Brain Interact to Create our Conscious Lives. Boston: Houghton Mifflin. ISBN 978-0-395-50095-8.
  • Gazzaniga, Michael S. (1992). Nature's Mind: The Biological Roots of Thinking, Emotions, Sexuality, Language and Intelligence. New York: BasicBooks. ISBN 978-0-465-04863-2.
  • Gazzaniga, Michael S. (2000). The Mind's Past. Berkeley, Calif: University of California Press. ISBN 978-0-520-22486-5.
  • Gazzaniga, Michael S. (2005). The Ethical Brain. New York [u.a.]: Dana Press. ISBN 978-1-932594-01-0.
  • Senior, Carl; Russell, Tamara; Gazzaniga, Michael S. (2006). Methods in Mind (1st ed.). Cambridge, MA: The MIT Press. ISBN 978-0-262-19541-6.
  • Gazzaniga, Michael S.; Ivry, Richard B.; Mangun, George R. (2009). Cognitive Neuroscience: The Biology of the Mind (3rd ed.). New York: W.W. Norton. ISBN 978-0-393-92795-5.
  • Gazzaniga, Michael S. (2009). Human: The Science Behind What Makes Us Unique (1st ed.). New York: Harper Perennial. ISBN 978-0-06-089289-0.
  • Gazzaniga, Michael S. (2011). Who's in Charge?: Free Will and the Science of the Brain (1st ed.). New York, NY: Ecco. ISBN 978-0-06-190610-7.
  • Gazzaniga, Michael S. (2015). Tales from Both Sides of the Brain: A Life in Neuroscience (1st ed.). New York, NY: Ecco. ISBN 978-0062228802.
  • Gazzaniga, Michael S. (2018). The Consciousness Instinct: Unraveling the Mystery of How the Brain Makes the Mind (1st ed.). New York, NY: Farrar, Straus and Giroux. ISBN 978-0374715502.
The contents of this page are sourced from Wikipedia article on 23 Apr 2021. The contents are available under the CC BY-SA 4.0 license.
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References
https://www.tcd.ie/news_events/articles/honorary-degrees-2019/
//www.worldcat.org/oclc/953597984
http://psycnet.apa.org/record/1995-97270-000
http://www.chedd-angier.com/frontiers/season7.html
https://web.archive.org/web/20060000000000/http://www.pbs.org/saf/transcripts/transcript703.htm
http://www.apa.org/monitor/2008/10/honors.aspx
https://archive.org/details/socialbraindisco0000gazz
https://archive.org/details/mindmatters00gazz
https://archive.org/details/naturesmindbiolo0000gazz
https://archive.org/details/mindspast00gazz
https://archive.org/details/ethicalbrain00gazz
https://archive.org/details/talesfrombothsid0000gazz
https://www.psych.ucsb.edu/people/faculty/gazzaniga
http://people.psych.ucsb.edu/gazzaniga/michael/cv.htm
http://www.lawandneuroscienceproject.org
http://www.sagecenter.ucsb.edu/
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