occipital lobe

noun

Definition of occipital lobe

: the posterior lobe of each cerebral hemisphere that bears the visual cortex and has the form of a 3-sided pyramid

Examples of occipital lobe in a Sentence

Recent Examples on the Web

The occipital lobe is one of the four major lobes of the cerebral cortex, the thick outer layer of gray matter covering our noggins’ hemispheres. Beth Mole, Ars Technica, "Doctors cut out a large chunk of a boy’s brain—now he’s doing just fine," 1 Aug. 2018 My occipital lobes, which are the bones around your eyes, were broken. Macaela Mackenzie, Allure, "Nonprofit Face Forward Changes the Lives of Domestic Violence Survivors With Free Plastic Surgery," 26 Mar. 2019 That also meant removing the entire right side of his occipital lobe and part of his temporal lobe on his right side. Beth Mole, Ars Technica, "Doctors cut out a large chunk of a boy’s brain—now he’s doing just fine," 1 Aug. 2018 Visual and spatial problems may be due to the disease building up in the occipital lobe, which is important for vision processing, Dr. Grant says. Korin Miller, SELF, "Are There Early Signs of Alzheimer’s Disease to Watch For?," 28 Nov. 2018 The occipital lobe sits in the very back of the brain. Beth Mole, Ars Technica, "Doctors cut out a large chunk of a boy’s brain—now he’s doing just fine," 1 Aug. 2018 Cortical folding appears to decrease with age across large swaths of the frontal, parietal and occipital lobes in both young people with autism and controls. Rachel Zamzow, Scientific American, "Brains of Children with Autism Show Unusual Folding Patterns," 9 July 2018 There images are converted to electrical signals and sent to the occipital lobe, where the information is processed back into imagery. Cate Mcquaid, BostonGlobe.com, "A different sort of scan in ‘The Beautiful Brain’," 6 June 2018 The visual processing center of their brains, known as the occipital lobe, was larger than their human counterparts. Deborah Netburn, latimes.com, "The shape, not size, of our ancestors' brains may have helped them outlast Neanderthals," 27 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'occipital lobe.' 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 occipital lobe

1861, in the meaning defined above

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The first known use of occipital lobe was in 1861

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More Definitions for occipital lobe

occipital lobe

noun

Medical Definition of occipital lobe

: the posterior lobe of each cerebral hemisphere that is separated medially from the parietal lobe by the parieto-occipital sulcus, is indistinctly separated more laterally from the temporal and parietal lobes, bears the visual areas, and has the form of a 3-sided pyramid

More from Merriam-Webster on occipital lobe

Rhyming Dictionary: Words that rhyme with occipital lobe

Britannica.com: Encyclopedia article about occipital lobe

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