Gyrus- a fold or ridge of the brain. Folds mean a larger cortical surface area and more cognitive functioning in a smaller space (Cusack, 2005)
What is this?
Central Fissure, central sulcus, Fissure of Rolando yada yada. Separates the parietal lobe from the frontal, and the primary motor cortex from the primary somatosensory cortex (cuts up and across)