Rolandic Anatomy
Orbitofrontal Sulcus
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A variable sulcus on the orbital surface of the frontal lobe, separating the medial, anterior, and posterior orbital gyri; part of the orbitofrontal cortex involved in reward processing, decision-making, and social behavior. Its morphology is highly variable and commonly classified into H-shaped, T-shaped, or fragmented patterns on neuroimaging.
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