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Somatosensory system: The primary somatosensory cortex (SI) is across the central sulcus and behind the primary motor cortex configured to generally correspond with the arrangement of nearby motor cells related to specific body parts. The area includes gray matter along the central gyrus and its extension into the postcentral gyrus.

Taste: The primary gustatory area is near the face representation within the postcentral gyrus. It starts at about the most lateral point on the gyrus and continues into the insular cortex where the postcentral gyrus folds over the operculum (Latin: eyelid or lid) of the gyrus at the lateral sulcus.

Olfaction: Olfactory cortex is found along the ventral surface of the frontal lobe. Olfaction is the only sensory system that is not routed through the thalamus.

Vision: The visual area known as V1, striate cortex, or (primary visual cortex, Brodmann area 17) is located on the calcarine sulcus deep within the inside folds of the occipital lobe.

Hearing: The primary auditory cortex is located on the transverse gyri that lie on the back of the superior temporal convolution of the temporal lobes.