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They focused on the morphological characteristics (length and breadth) of this structure, its course, and its relationships with neighboring fasciculi and the lateral ventricle.<\/jats:p><\/jats:sec>\n<jats:sec>\n<jats:title>Methods<\/jats:title>\n<jats:p>The authors dissected 10 previously frozen, formalin-fixed human brains with the aid of an operating microscope by following the fiber dissection technique described by Klingler in 1960. Lateral, inferior, and medial approaches were made. The optic radiation, also known as the Gratiolet radiation, extended from the lateral geniculate body to the calcarine fissure. The average distance from the tip of the anterior Meyer loop to the calcarine sulcus was 105 mm (range 95\u2013114 mm). The breadth of the optic radiations, one on each side of the brain, averaged 17 mm at the level of the inferior horn (range 15\u201318 mm). This tract could be divided into three main segments: the anterior or Meyer loop, the body, and the end of the optic radiation. Adjacent anatomical structures included: laterally, the inferior longitudinal fasciculi; medially, the tapetum of the corpus callosum; and the ependyma of the inferior horn of the lateral ventricle.<\/jats:p><\/jats:sec>\n<jats:sec>\n<jats:title>Conclusions<\/jats:title>\n<jats:p>Various practical surgical approaches are discussed. The knowledge gained by studying this particular anatomy will help prevent injury to the optic radiations during neurosurgery.<\/jats:p><\/jats:sec>","DOI":"10.3171\/jns.2006.105.2.294","type":"journal-article","created":{"date-parts":[[2008,1,24]],"date-time":"2008-01-24T12:37:17Z","timestamp":1201178237000},"page":"294-300","source":"Crossref","is-referenced-by-count":86,"title":["Optic radiations: a microsurgical anatomical study"],"prefix":"10.3171","volume":"105","author":[{"given":"Johann","family":"Peltier","sequence":"first","affiliation":[{"name":"Department of Anatomy and Organogenesis, University of Amiens; and Department of Anatomy, University of Tours, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nadine","family":"Travers","sequence":"additional","affiliation":[{"name":"Department of Anatomy and Organogenesis, University of Amiens; and Department of Anatomy, University of Tours, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christophe","family":"Destrieux","sequence":"additional","affiliation":[{"name":"Department of Anatomy and Organogenesis, University of Amiens; and Department of Anatomy, University of Tours, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"St\u00e9phane","family":"Velut","sequence":"additional","affiliation":[{"name":"Department of Anatomy and Organogenesis, University of Amiens; and Department of Anatomy, University of Tours, France"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1754","reference":[{"key":"b1-1050294","series-title":"Rev Neurol (Paris)","first-page":"1206","article-title":"Le faisceau longitudinal inf\u00e9rieur et le faisceau optique central: quelques consid\u00e9rations sur les fibres d\u2019association du cerveau","volume":"4","year":"1906"},{"key":"b2-1050294","series-title":"J Neurophysiol","doi-asserted-by":"publisher","first-page":"129","DOI":"10.1152\/jn.1943.6.2.129","article-title":"Long association fibers in cerebral hemispheres of monkey and chimpanzee","volume":"6","year":"1943"},{"key":"b3-1050294","series-title":"Anatomie Clinique: Neuroanatomie","first-page":"203","year":"1990"},{"key":"b4-1050294","series-title":"J Comp Neurol","doi-asserted-by":"publisher","first-page":"151","DOI":"10.1002\/cne.901030202","article-title":"An anatomical investigation of the temporal lobe in the monkey (Macaca mulatta)","volume":"103","year":"1955"},{"key":"b5-1050294","series-title":"Core text of Neuroanatomy, ed 4","year":"1991"},{"key":"b6-1050294","series-title":"Cortex Cerebri: Performance, Structural, and Functional Organization of the Cortex","year":"1995"},{"key":"b7-1050294","series-title":"Correlative Anatomy of the Nervous System","year":"1962"},{"issue":"Suppl 1","key":"b8-1050294","series-title":"Neurosurgery","first-page":"36","article-title":"Lateral ventricle tumors: surgical strategies according to tumor origin and development\u2014a series of 72 cases","volume":"56","year":"2005"},{"key":"b9-1050294","series-title":"Neurosurgery","doi-asserted-by":"publisher","first-page":"645","DOI":"10.1227\/01.NEU.0000109043.56063.BA","article-title":"\u201cTangential\u201d resection of medial temporal lobe arteriovenous malformations with the orbitozygomatic approach\u201d","volume":"54","year":"2004"},{"key":"b10-1050294","series-title":"Acta Neurochir (Wien)","doi-asserted-by":"publisher","first-page":"29","DOI":"10.1007\/BF01401969","article-title":"Neurosurgical topography of the optic radiation in the temporal lobe","volume":"92","year":"1988"},{"key":"b11-1050294","series-title":"Acta Neurochir (Wien)","doi-asserted-by":"publisher","first-page":"143","DOI":"10.1007\/BF01406373","article-title":"Topography of the uncinate fascicle and adjacent temporal fiber tracts","volume":"115","year":"1992"},{"key":"b12-1050294","series-title":"Z Anat","doi-asserted-by":"publisher","first-page":"166","DOI":"10.1007\/BF02117803","article-title":"Einige Fasersysteme des menschlichen Grosshirnes mit der Abfaserungsmethode untersucht","volume":"88","year":"1928"},{"key":"b13-1050294","series-title":"Soc d\u2019Ophtal","article-title":"Oblit\u00e9ration de l\u2019art\u00e8re choro\u00efdienne ant\u00e9rieure. 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