WebThe left and right cerebral lobes of the mammalian brain in the natural state are largely separate anatomically except for cables of cross-connecting fibers, the cerebral commissures, most prominent of which is the enormous corpus callosum, the largest fiber system of the brain, estimated to contain in man over 200 million fibers. A commissurotomy is a surgical incision of a commissure in the body, as one made in the heart at the edges of the commissure formed by cardiac valves, or one made in the brain to treat certain psychiatric disorders. Patients with scleroderma, a disease that thickens and hardens the skin, … See more Commissurotomy of cardiac valves is called valvulotomy, and consists of making one or more incisions at the edges of the commissure formed between two or three valves, in order to relieve constriction such as occurs in See more In neurosurgery, as a treatment for severe epilepsy, the corpus callosum, or the area of the brain that connects the two hemispheres, would be completely bisected. By … See more

Disconnection syndrome - Wikipedia

WebIt also appears that the human brain has a modular organization consisting of identifiable component processes that participate in the generation of a cognitive state. The effects of isolating entire modular systems or of disconnecting the component parts can be observed. Webcommissurotomy n. a surgical procedure involving a partial cutting of a commissure or fiber bridge, especially the great fiber bridge between the two cerebral hemispheres, the corpus callosum. A complete sectioning of the corpus callosum is called a callosectomy; this also severs its large forward portion, the anterior commissure. fetlox

Corpus callosotomy - Wikipedia

WebA commissurotomy is surgery that helps improve blood flow through one of your heart valves, typically your mitral valve. Your mitral valve is the door between your left atrium (top left heart chamber) and left ventricle (bottom left chamber). Your mitral valve is also called your bicuspid valve. WebSummary. During the past 10 years, 20 patients with intractable generalized, generalized and partial, and partial seizures have been treated here by surgical division of one or … WebCallosal syndrome, or split-brain, is an example of a disconnection syndrome from damage to the corpus callosum between the two hemispheres of the brain. Disconnection syndrome can also lead to aphasia, left-sided apraxia, and tactile aphasia, among other symptoms. Other types of disconnection syndrome include conduction aphasia (lesion … fetlor