Gyrus Frontalis, Anterior View

Description

Facing the cerebrum from the anterior aspect, the bilateral frontal lobes dominate, with the superior, middle, and inferior frontal gyri curving laterally from the interhemispheric (longitudinal) fissure. Inferiorly, the orbital surfaces of the frontal cortex approach the anterior cranial fossa, while the frontal opercular region sits superior to the expected course of the lateral (Sylvian) fissure. Blue overlays mark the primary auditory cortex on each side, located on the superior temporal plane (Heschl gyri) within the temporal lobes, lateral and inferior to the frontal gyri. Below the cerebral hemispheres, the midbrain, pons, and medulla oblongata align in the midline, with the cerebellum partially visible posterior-inferior to the occipital poles. This anterior view helps learners reconcile surface landmarks with functional topography. The placement of primary auditory cortex on the temporal plane is easy to lose in lateral-only brain views, yet it underpins core clinical findings: bilateral lesions can cause cortical deafness, while unilateral temporal involvement often spares pure tone detection but disrupts speech perception when association areas are affected. The frontal gyri frame common neurosurgical corridors, and the proximity of inferior frontal gyrus to Broca region makes it a frequent reference point when discussing dominant-hemisphere stroke or tumor mapping. Orientation matters. Use this illustration in gross neuroanatomy and neuropsychology teaching to pair gyri and sulci with named cortical fields, and in neurology or neurosurgery texts discussing aphasia evaluation, temporal lobe epilepsy workup, or cortical localization during awake craniotomy planning. It also fits audiology-facing content that needs a clean anatomical anchor for central auditory processing. Anatomical accuracy verified by SciePro's Medical Advisory Board.