Longitudinal fissure Longitudinal fissure The longitudinal fissure (or cerebral fissure, median longitudinal fissure, or interhemispheric fissure) is the deep groove that separates the two hemispheres of the vertebrate brain. The medial surfaces of the two hemispheres are as similarly convoluted by gyri and sulci as is the outer surface of the brain. It is thought that a majority of existing animals, including Homo sapiens, have evolved from a common wormlike ancestor that lived around 600 million years ago, called the urbilaterian. A bilaterian animal is one that has symmetrical left and right body halves. While it is still debated whether this species
David Sylvian Gunnar Halle. The tour was cancelled in late January 2012 due to Sylvian's poor health. In 2013, Sylvian released "Do You Know Me Now?", a one-time pressing released with a re-mastered version of "Where's Your Gravity?" In 2014, Sylvian released "There's a Light That Enters Houses with No Other House in Sight", a long-form composition with contributions from Christian Fennesz and John Tilbury and featuring spoken word by American Pulitzer Prize winning poet Franz Wright of excerpts from Wright's own "Kindertotenwald". In 2015, Sylvian released "Playing The Schoolhouse" with Confront Recordings in two limited editions. The release, a 15 minute