Torsten Wiesel


 
 

Torsten Nils Wiesel (b. June 3, 1924) was co-recipient with David H. Hubel of the 1981 Nobel Prize in Physiology or Medicine, for their discoveries concerning information processing in the visual system; the prize was shared with Roger W. Sperry for his independent research on the cerebral hemispheres.

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The Hubel and Wiesel experiments greatly expanded the scientific knowledge of sensory processing. In one experiment, done in 1959, they inserted a microelectrode into the primary visual cortex of an anesthetized cat. They then projected patterns of light and dark on a screen in front of the cat. They found that some neurons fired rapidly when presented with lines at one angle, while others responded best to another angle. They called these neurons "simple cells." Still other neurons, which they termed "complex cells," responded best to lines of a certain angle moving in one direction. These studies showed how the visual system builds an image from simple stimuli into more complex representations (Goldstein, 2001).


 

June 3: June 3 is the 154th day of the year in the Gregorian calendar (155th in leap years), with 211 days remaining....

1924: 1924 was a leap year starting on Tuesday (link will take you to calendar)....

David H. Hubel: David Hunter Hubel (b. February 27, 1926) was co-recipient with Torsten Wiesel of the 1981 Nobel Prize in Physiology or Medicine, for their discoveries concerning information processing in the visual system; the prize was shared with Roger W. Sperry for his independent research on the cerebral hemis...


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~ Related Subjects ~

Nobel Prize in Physiology or Medicine (2) - Visual system (2) - Roger W. Sperry (2) - 1981 (2) - June 3 (2) - Leap year (1) - Gregorian calendar (1) - February 27 (1) - Torsten Wiesel (1) - 1926 (1) - Neuron (1) - David H. Hubel (1) - 1924 (1) - 1959 (1) - Primary visual cortex (1) -
 

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