The bilateral Right Cerebellum.Anterior Lobe.Nodule.Gray Matter corresponds to gray matter within the cerebellar nodule, a medial structure of the anterior lobe forming the most inferior component of the vermis, functionally associated with the vestibulocerebellum (archicerebellum). This region receives extensive vestibular and proprioceptive input and plays a key role in balance, posture, and the coordination of eye and head movements, particularly via its connections with the flocculus, fastigial nucleus, and vestibular nuclei. Lesions involving the nodule can lead to truncal ataxia, disturbances of stance and gait, and oculomotor abnormalities. There is no direct link for this exact Talairach label; a closely related structure is the vermis of the cerebellum: Cerebellar vermis.
The bilateral right cerebellar anterior lobe nodule (gray matter), as defined in the Talairach 1 mm atlas, has been implicated indirectly in genetic studies through broader cerebellar and lobule-level analyses rather than region-specific GWAS. Large-scale imaging genetics consortia (e.g., ENIGMA, UK Biobank) have identified multiple common variants and loci associated with global and regional cerebellar volume and morphology—particularly in genes involved in neurodevelopment, synaptic function, and axonal guidance (such as those in the MAPT, RELN, and neurodevelopmental signaling pathways)—but these findings typically aggregate across lobules and midline structures, making precise attribution to the anterior lobe nodule challenging. Nonetheless, cerebellar vermis and anterior lobe territories, which encompass nodular regions, have been linked via genetic and imaging-genetic work to neurodevelopmental and psychiatric disorders, including autism spectrum disorder, schizophrenia, bipolar disorder, and major depression, as well as motor coordination and balance traits; rare and de novo variants in genes regulating cerebellar development (e.g., in some ataxia-related and synaptic genes) can produce structural anomalies and volume changes involving nodular/anterior lobe gray matter. Overall, while no robust GWAS has singled out the bilateral right anterior lobe nodule specifically, converging genetic evidence supports a role for cerebellar nodular and vermal regions in the heritable architecture of motor control, affective regulation, and neurodevelopmental/psychiatric risk.
Overview generated by GPT-4o (2026).
Region ID: 86
Hemisphere: bilateral
Atlas: Talairach labels 1mm
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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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