Expected headings
"Functional areas"
"Sulci and gyri"
"Relations"
"Blood supply"
"Neurological deficits"
"The simplest description, which conforms to the sulcal pattern found in the frontal and temporal lobes, unfortunately, is only present in approximately two-thirds of cases 1. When present the lateral surface is divided into three roughly parallel gyri (superior, middle and inferior occipital gyri) by two transverse occipital sulci (referred to as superior and inferior when both are present)1."
"visual hallucinations (e.g. seeing flashes of light)"