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occipital lobe
noun
: 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
In the male brain, the thinning was limited to only two regions, both in the occipital lobe, which affects distance and depth perception, face recognition and memory.
—Patrick Martin, NBC News, 9 Sep. 2024
In humans, though, it was confined primarily to the junction of the brain’s temporal, parietal and occipital lobes, a region involved in multiple features of consciousness, including visual, auditory and motion processing.
—Rachel Nuwer, Scientific American, 14 May 2024
Football players had cortical thinning and changes in brain folding as well as lower brain signaling and coherence in frontal and medial parts of the brain, but increased signaling and coherence in the occipital lobe.
—Scott Lafee, San Diego Union-Tribune, 19 Mar. 2024
In particular, healthy people with less activity in the temporal lobe regions affected by FTD had more activity in their dorsomedial occipital lobe, a region involved in visual association.
—Robert Martone, Scientific American, 26 May 2023
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Word History
First Known Use
1861, in the meaning defined above
Dictionary Entries Near occipital lobe
Cite this Entry
“Occipital lobe.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/occipital%20lobe. Accessed 23 Dec. 2024.
Medical Definition
occipital lobe
noun
: 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
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