The bilateral Left Cerebellum.Anterior Lobe.Culmen of Vermis.Gray Matter refers to gray matter within the culmen, a superior segment of the cerebellar vermis located in the anterior lobe of the cerebellum, represented bilaterally in the Talairach 2 mm atlas despite the “left” naming convention. This region participates in cerebellar circuits involved in the regulation of posture, muscle tone, and coordination of limb movements, particularly integrating proprioceptive and sensorimotor information from the spinal cord and cerebral cortex to fine-tune motor output. Functionally, the culmen of the vermis contributes to midline and trunk control and may also influence aspects of eye movement and balance via connections with vestibular and brainstem nuclei. There is no direct link; related structure: Cerebellar vermis.
The bilateral Left Cerebellum Anterior Lobe Culmen of Vermis gray matter (Talairach 2 mm atlas) corresponds to midline anterior cerebellar vermis and adjacent hemispheric culmen, a region implicated in motor coordination, posture, and affective regulation. Although GWAS typically do not target this fine-grained label, large neuroimaging-genetics studies of cerebellar volume, cortical thickness, and gray matter density have identified polygenic influences involving genes related to neurodevelopment, synaptic function, and cytoskeletal organization (e.g., BDNF, CACNA1C, CNTNAP2, and other common variants near loci associated with brain size and cortical morphology). Cerebellar vermis structural variation has been genetically and phenotypically linked to autism spectrum disorder, schizophrenia, bipolar disorder, major depressive disorder, and ADHD, often through GWAS hits that show pleiotropic effects on global and regional brain morphology, though these associations are usually reported for broader “cerebellar gray matter” or “vermis volume” rather than the specific culmen label. In addition, GWAS of motor skills, balance, cognitive performance, and emotional processing frequently identify SNPs whose polygenic scores correlate with cerebellar vermis measures in imaging cohorts such as UK Biobank, suggesting that this region participates in genetically mediated variation in motor and cognitive–affective traits, even if no single gene or variant is uniquely specific to the “Left Cerebellum.Anterior Lobe.Culmen of Vermis.Gray Matter” Talairach-defined parcel.
Overview generated by GPT-4o (2026).
Region ID: 321
Hemisphere: bilateral
Atlas: Talairach labels 2mm
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Full Quality Version: Download MP4
Wali Sidiqyar*, Gaurav Rudravaram*, Elyssa M. McMaster, Trent M. Schwartz, Adam M. Saunders, Kurt G. Schilling, Bennett A. Landman "Introducing SPINS: A Shared Public Visualization Library of Neuroanatomical Structures." Medical Imaging with Deep Learning- short paper
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