caudate nucleus

noun

: the most medial of the four basal ganglia in each cerebral hemisphere

called also caudate

Examples of caudate nucleus in a Sentence

Recent Examples on the Web Neuroscientists say empathic concern is supported by several regions of the brain associated with social attachment and caregiving — the ventral tegmental area, caudate nucleus and subgenual anterior cingulate cortex. Emilie Le Beau Lucchesi, Discover Magazine, 20 May 2022 The cause, at a neurological level, is hyperconnectivity between two brain regions, the orbitofrontal cortex and the caudate nucleus, creating a tidal wave of unfounded mortal fear and triggering habitual response as the only way to attain calm. Steve Volk, Discover Magazine, 10 Dec. 2013 In an fMRI study, the caudate nucleus — the brain’s reward center — showed the most activation when the dog was presented with an object that smelled of its owner, as opposed to other olfactory stimuli. Richard Pallardy, Discover Magazine, 3 Nov. 2021 Specifically, the hippocampus, the insula and the caudate nucleus, all key players in the dopamine reward system also involved with other types of cravings. Cody Cottier, Discover Magazine, 6 Aug. 2019 The study also found that the caudate nucleus, a reward center in the brain, was activated in response to negative gossip about celebrities; subjects seemed to be amused or entertained by salacious celebrity scandals. Sophia Gottfried, Time, 25 Sep. 2019

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Word History

First Known Use

1902, in the meaning defined above

Time Traveler
The first known use of caudate nucleus was in 1902

Dictionary Entries Near caudate nucleus

Cite this Entry

“Caudate nucleus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/caudate%20nucleus. Accessed 20 Jul. 2024.

Medical Definition

caudate nucleus

noun
: the one of the four basal ganglia in each cerebral hemisphere that comprises a mass of gray matter in the corpus striatum, forms part of the floor of the lateral ventricle, and is separated from the lentiform nucleus by the internal capsule

called also caudate

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