The bilateral Right Cerebrum.Frontal Lobe.Medial Frontal Gyrus.Gray Matter corresponds to cortical tissue within the medial aspect of the frontal lobe, encompassing portions of the superior frontal gyrus along the interhemispheric fissure and overlapping with parts of the medial prefrontal cortex and anterior cingulate territory. This region is implicated in higher-order executive functions, including decision-making, action selection, performance monitoring, and aspects of self-referential and social cognition. It participates in cognitive control networks and interfaces with limbic and associative cortices to integrate motivational, emotional, and contextual information for goal-directed behavior. There is no direct link; see the related structure Medial prefrontal cortex.
The bilateral right medial frontal gyrus gray matter (Talairach 2 mm, Right Cerebrum.Frontal Lobe.Medial Frontal Gyrus) is a key hub in executive control, reward, and self-referential processing, and genetic associations with this region largely derive from structural MRI GWAS of cortical thickness/volume and functional studies of frontal networks rather than atlas-specific loci. Large brain-imaging GWAS (e.g., ENIGMA, UK Biobank) have identified multiple common variants in loci such as 15q14 (near C15orf53/THBS1), 17q21.31 (encompassing MAPT and KANSL1), and 3p24.3 (near GRM7) that influence medial frontal and adjacent prefrontal morphology, with several of these loci also implicated in schizophrenia, bipolar disorder, major depression, and cognitive performance. Polygenic risk for psychiatric disorders and traits—including schizophrenia, ADHD, depression, risk-taking, and general cognitive ability—has been associated with altered medial frontal structure or activation in imaging–genetics studies, and genes involved in synaptic plasticity and glutamatergic signaling (e.g., GRIN2B, CACNA1C) repeatedly show links to prefrontal/medial frontal measures. Moreover, GWAS of resting-state and task-based fMRI have associated variants near genes such as DRD2 and COMT with medial frontal connectivity and activity within the default mode and cognitive control networks, which are disrupted across mood and psychotic disorders. Overall, while no single gene is uniquely specific to the right medial frontal gyrus gray matter as defined in the Talairach atlas, convergent evidence from structural and functional GWAS indicates that common variants in neurodevelopmental, synaptic, and neurotransmission pathways influence this region’s morphology and function and contribute to risk for a range of neuropsychiatric and cognitive phenotypes.
Overview generated by GPT-4o (2026).
Region ID: 616
Hemisphere: bilateral
Atlas: Talairach labels 2mm
Full Quality Version: Download MP4
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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