Superior Temporal Sulcus Of The Brain, Lateral View

Description

Superior temporal sulcus (STS) tracks an anteroposterior course along the lateral surface of the temporal lobe, separating the superior temporal gyrus superiorly from the middle temporal gyrus inferiorly. In this lateral view, the sulcus sits inferior to the lateral sulcus (Sylvian fissure) and posterior to the temporal pole, reading as a deep, continuous groove across the midportion of the cerebral hemisphere. Posteriorly, its trajectory approaches the temporoparietal junction where sulcal patterns become more variable, a useful reminder when matching surface anatomy to individual brains. A reliable landmark. STS matters because it brackets cortex that is frequently referenced in functional neuroanatomy and surgical planning: the posterior superior temporal gyrus adjacent to the sulcus borders classic receptive language territory in the dominant hemisphere, and perisylvian lesions here can produce fluent aphasia with impaired comprehension. For epilepsy surgery, glioma workup, or craniotomy planning along the temporal convexity, the fixed lateral perspective helps you teach and recognize where the STS lies relative to the Sylvian fissure and the superior temporal gyrus, even before deeper structures such as Heschl’s gyri or the insula are considered. Surface landmarks still guide the first incision and the first cortical map. Neuroanatomy faculty can drop this illustration directly into lectures on temporal lobe topography, perisylvian language networks, or association cortex organization, and it also fits cleanly into neuropsychology teaching where STS is cited in social perception and audiovisual integration literature. Medical publishers and clinical teams will find it effective for correlating gross anatomy with lateral 3T MRI slices and operative notes that describe lesions “along the superior temporal sulcus.” Anatomical accuracy verified by SciePro's Medical Advisory Board.