plural thalami ˈtha-lə-ˌmī
: the largest subdivision of the diencephalon that consists chiefly of an ovoid mass of nuclei in each lateral wall of the third ventricle and serves chiefly to relay impulses and especially sensory impulses to and from the cerebral cortex see brain illustration
Recent Examples on the Web Using state-of-the-art brain imaging scanners to guide the exact location of the target, Rosenow inserted a 1.25-millimeter-wide electrode into the thalamus, the part of the brain that, among other things, relays motor and sensory signals. —Shanley Pierce, Discover Magazine, 29 Oct. 2020 Patients with chronic pain can show a significant loss of gray matter in the prefrontal cortex, the attention and decision-making region of the brain that sits behind our foreheads, as well as in the thalamus, which relays sensory signals; both areas are important in processing pain. —New York Times, 26 Apr. 2022 The study team found that long-term memories took root in an area of the brain that hasn’t typically beenassociated with memory processing — the anterior thalamus. —Katie Hunt, CNN, 8 Apr. 2023 Three years ago, Michelle Monje, a pediatric neuro-oncologist at Stanford University, and her colleagues began a trial testing a CAR-T therapy for diffuse midline glioma, a brain cancer that primarily affects pediatric and young adult patients and occurs in places like the brain stem and thalamus. —Angus Chen, STAT, 6 Apr. 2023 These were stuck into four sections of their brains: three regions of the cortex and the thalamus. —Max G. Levy, Wired, 11 May 2021 Several studies show that creative types tend to have low levels of a certain kind of dopamine receptor in the thalamus, a brain area that helps regulate motor function and sensory perception. —Lacy Schley, Discover Magazine, 5 July 2016 The brain processes sound in the auditory striatum, where signals from the auditory cortex and auditory thalamus converge with dopamine. —Burkhard Bilger, The New Yorker, 27 Mar. 2023 The Human Olfactory System Humans’ other sensory systems send their signals to the thalamus, which relays them to other parts of the brain. —IEEE Spectrum, 17 Oct. 2022 See More
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'thalamus.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Love words? Need even more definitions?Merriam-Webster unabridged
See Definitions and Examples »
Get Word of the Day daily email!
Words at Play
Palter, Dissemble, and Other Words for Lying
Skunk, Bayou, and Other Words with Native American Origins
You've used more than you might think
Words For Things You Didn't Know Have Names, Vol. 2
When 'thingamajig' and 'thingamabob' just won't do
When Were Words First Used?
Look up any year to find out
Ask the Editors