visual cortex

noun

Definition of visual cortex

: a sensory area of the occipital lobe of the cerebral cortex receiving afferent nerve fibers concerned with vision

called also visual area

Examples of visual cortex in a Sentence

Recent Examples on the Web The extrastriate visual cortex, which is located at the back of the brain, plays an essential role in visual perception. Grace Huckins, Wired, "A Radical New Model of the Brain Illuminates Its Wiring," 17 Aug. 2020 Though the patients all had lesions in different locations, each was in the same network as—and tightly associated with—the extrastriate visual cortex. Grace Huckins, Wired, "A Radical New Model of the Brain Illuminates Its Wiring," 17 Aug. 2020 The Johns Hopkins team thinks additional neural processing, outside of the visual cortex, is necessary for awareness. Courtney Linder, Popular Mechanics, "Why This Guy Sees Spaghetti Squiggles Instead of Numbers," 24 June 2020 The researchers surmise that’s because the neuron connections that compare the inner circle to the outer black ones get weaker as the primary visual cortex gets larger. Claire Maldarelli, Popular Science, "These two red dots are actually identical. Here’s how," 2 June 2020 Much work remains to fully understand how a brain’s visual cortex and the device interact. Los Angeles Times, "With laboratories shut, coronavirus forces scientists to ‘stop cold’," 29 Apr. 2020 Your brain’s visual cortex makes sense of this low-level information, and then hands it off to a set of high-level processing neurons, which parses features like fur or tusks. Popular Science, "This ancient optical illusion is a 14,000-year-old puzzle," 23 Mar. 2020 All told, 77% of neurons throughout the mice’s visual cortex responded to at least one thing the scientists showed them. Sharon Begley, Scientific American, "What Mice Watching Orson Welles’s Touch of Evil Can Teach Scientists about Vision," 19 Dec. 2019 The primary visual cortex, in the occipital lobe, at the rear of the head, then sends out these signals—which are conveying things like edges, colors, and motion. John Seabrook, The New Yorker, "Dressing for the Surveillance Age," 9 Mar. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'visual cortex.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of visual cortex

1954, in the meaning defined above

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Time Traveler for visual cortex

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The first known use of visual cortex was in 1954

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Statistics for visual cortex

Last Updated

18 Sep 2020

Cite this Entry

“Visual cortex.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/visual%20cortex. Accessed 21 Sep. 2020.

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More Definitions for visual cortex

visual cortex

noun

Medical Definition of visual cortex

: a sensory area of the occipital lobe of the cerebral cortex receiving afferent projection fibers concerned with the sense of sight

called also visual area

More from Merriam-Webster on visual cortex

Britannica.com: Encyclopedia article about visual cortex

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