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 But localizationists had long ago demonstrated that vision occurs in the occipital lobe, which is located at the back of the brain. Grace Huckins, Wired, "A Radical New Model of the Brain Illuminates Its Wiring," 17 Aug. 2020 Afarensis's occipital lobe, or the brain's visual center, was located toward the front of the skull, similar to modern apes. Ashley Strickland, CNN, "Ancient humans are having a moment. Here are the fascinating new things we've learned this week about our ancestors," 2 Apr. 2020 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 While the human brain does most of its visual processing in a region called the occipital lobe, cephalopod neurology appears to be a bit more disorganized. Katherine J. Wu, Smithsonian Magazine, "Scientists Velcroed 3-D Glasses to Cuttlefish to Study Their Depth Perception," 8 Jan. 2020 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 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

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.

See More

First Known Use of occipital lobe

1861, in the meaning defined above

Keep scrolling for more

Learn More about occipital lobe

Time Traveler for occipital lobe

Time Traveler

The first known use of occipital lobe was in 1861

See more words from the same year

Statistics for occipital lobe

Cite this Entry

“Occipital lobe.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/occipital%20lobe. Accessed 25 Nov. 2020.

Keep scrolling for more

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

Britannica.com: Encyclopedia article about occipital lobe

Comments on occipital lobe

What made you want to look up occipital lobe? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

A Thanksgiving Word Quiz

  • a traditional thanksgiving dinner
  • November comes from a word for which of the following numbers?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Citation

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!