Gyrus na baya-bayan nan wani sashe ne na cortex na kwakwalwa a cikin kwakwalwa wanda yake a cikin lobe na parietal, kuma yana da alhakin sarrafa bayanan somatosensory daga jiki. Hakanan ana kiranta da farkon somatosensory cortex ko yankin somatosensory. Kalmar "postcentral" tana nufin wurin da yake bayan sulcus na tsakiya, wanda ke raba gaban gaba da lobes na kwakwalwa.
