The bilateral Right Cerebrum Occipital Lobe Middle Occipital Gyrus corresponds to a lateral occipital cortical region involved primarily in intermediate- to high-level visual processing, including analysis of object form, motion, and spatial relations. Situated between the superior and inferior occipital gyri and extending into the lateral occipital cortex, this region receives afferent input from earlier visual areas (notably V1 and V2) and interfaces with dorsal and ventral visual streams, thereby contributing to both visuospatial and object-recognition functions. It exhibits retinotopic organization in parts, participates in integration of visual features for coherent perception, and shows strong connectivity with parietal and temporal visual association areas. There is no direct Wikipedia article for the Middle Occipital Gyrus; see the related entry for the Occipital lobe.
The bilateral right middle occipital gyrus, part of the occipital lobe in the Talairach 1 mm atlas, is a core visual association region implicated in genetic studies of visual processing, neurodevelopmental and psychiatric conditions, and brain-structure variability; GWAS of cortical thickness and surface area (e.g., ENIGMA and UK Biobank–based consortia) have identified associations between middle/secondary occipital regions and loci near genes involved in neurodevelopment, synaptic function, and axon guidance (such as variants in or near MIR137, TBR1, and other cortical-development genes), though findings are often reported at the level of “occipital” or “visual association cortex” rather than this specific subregion. Polygenic influences on occipital morphology and function are seen in disorders with altered visual processing, including schizophrenia, major depression, autism spectrum disorder, and attention-deficit/hyperactivity disorder, where risk variants (for example in glutamatergic and GABAergic pathways, calcium-channel genes like CACNA1C, and synaptic genes such as GRIN2A) have been linked to structural or functional changes encompassing the middle occipital gyrus. Imaging-genetics work has further associated occipital middle gyrus measures with genetic risk scores for conditions such as schizophrenia and Alzheimer’s disease, and with common variants influencing visual cognition and reading-related traits, although most evidence remains indirect and regionally coarse, so that the right middle occipital gyrus is best viewed as a genetically influenced node within broader, polygenic visual and cognitive networks rather than a locus with uniquely defined gene–region associations.
Overview generated by GPT-4o (2026).
Region ID: 311
Hemisphere: bilateral
Atlas: Talairach labels 1mm
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
This resource is licensed under CC0 1.0 Universal (Public Domain).