The bilateral Right Cerebrum.Frontal Lobe.Middle Frontal Gyrus.Gray Matter.Brodmann area 8 corresponds to a dorsal prefrontal cortical region located anterior to the premotor cortex and posterior to more rostral dorsolateral prefrontal areas, occupying the middle frontal gyrus in the superior frontal convexity. Brodmann area 8 is cytoarchitectonically defined by its granular frontal cortex features and is functionally associated with higher-order motor control, particularly the planning and execution of saccadic eye movements, as well as aspects of attention, working memory, and cognitive control. It forms part of the frontal eye fields and connects extensively with parietal, premotor, and subcortical structures to support goal-directed behavior and visuomotor integration. There is no direct Wikipedia article for this exact Talairach-defined bilateral region; a related structure is Brodmann area 8.
The bilateral right middle frontal gyrus (Brodmann area 8) has been implicated in several genetic and genome-wide association studies linking frontal gray matter structure and function to diverse traits and disorders, although findings are typically at the level of dorsolateral prefrontal or middle frontal regions rather than BA8 in isolation. Polygenic risk for schizophrenia, bipolar disorder, and major depressive disorder has been associated with altered cortical thickness, surface area, or volume in the middle frontal gyrus, consistent with widespread prefrontal involvement in psychiatric liability. Large-scale GWAS and imaging-genetics consortia (e.g., ENIGMA, UK Biobank) have reported associations between common variants in genes involved in neurodevelopment, synaptic function, and cortical patterning (such as those in the MHC region, CACNA1C, and other calcium-channel and glutamatergic genes) and structural measures of lateral prefrontal cortex, including middle frontal regions encompassing BA8. Additional studies link BA8/middle frontal activation or morphology to genetic influences on executive function, working memory, response inhibition, and risk-taking, with dopaminergic (e.g., COMT), serotoninergic, and glutamatergic genes frequently examined in candidate-gene or small-scale imaging-genetics designs. In neurodevelopmental and neurodegenerative conditions, genetic risk for autism spectrum disorder, ADHD, and Alzheimer’s disease has also been associated with prefrontal structural or functional alterations that include the middle frontal gyrus/BA8, although these effects tend to be distributed across broader networks rather than specific to this Talairach-defined region.
Overview generated by GPT-4o (2026).
Region ID: 1026
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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