The bilateral Right Cerebellum, Anterior Lobe, Gray Matter refers to the cortical tissue of the anterior lobe of the cerebellum located in the right hemisphere, as defined in the Talairach 2 mm Atlas. This region comprises cerebellar cortex (gray matter) involved primarily in motor coordination, posture, and the regulation of ongoing movements via connections with spinal, vestibular, and supraspinal motor pathways. Functionally, the anterior lobe is especially associated with the modulation of limb movements and gait, integrating sensory input to fine‑tune motor output and maintain balance. In clinical contexts, damage to this area can lead to ataxia, dysmetria, and gait disturbances. There is no direct link for this specific Talairach-defined subregion; a closely related article is Cerebellum.
The bilateral right cerebellum anterior lobe gray matter, as defined in the Talairach 2 mm atlas, is indirectly implicated in genetic studies rather than being a primary GWAS target, with associations typically inferred from imaging genetics and cerebellar volume/thickness analyses. Large-scale GWAS of brain structure (e.g., ENIGMA and UK Biobank cohorts) have identified multiple loci—such as variants near KIAA0586, MAPT, and genes involved in neurodevelopment and synaptic function—that influence cerebellar volume and morphology, including anterior lobe regions, although effects are generally small and polygenic. Genetic variants affecting cerebellar structure have been linked to neurodevelopmental and neuropsychiatric conditions, including autism spectrum disorder, schizophrenia, attention-deficit/hyperactivity disorder, and mood disorders, where altered cerebellar anterior lobe gray matter has been reported in case–control MRI studies. Additionally, rare Mendelian mutations in genes critical for cerebellar development (e.g., CACNA1A, ITPR1, and several ciliary and axon guidance genes) can produce cerebellar hypoplasia or atrophy that includes the anterior lobe, often accompanied by ataxia and cognitive or affective symptoms. Imaging-genetic work also suggests that polygenic risk for cognitive traits and general intelligence is modestly associated with variation in cerebellar gray matter, indicating that the right anterior cerebellum participates in genetically influenced circuits for motor coordination, timing, and higher-order cognition, but no single gene or variant is uniquely or specifically tied to this precise Talairach-defined subregion.
Overview generated by GPT-4o (2026).
Region ID: 87
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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