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Topic: Corpus callosum

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	TheFetus.net - Agenesis of the corpus callosum -Gianluigi Pilu, MD
		Prenatal studies suggest that agenesis of the corpus callosum is found in 3% of all fetuses with ventriculomegaly[30] and in almost 10% of those with mild ventriculomegaly[31].
		Isolated agenesis of the corpus callosum may be either a completely asymptomatic event or revealed during the course of a neurologic examination by subtle deficits, such as inability to match stimuli using both hands or to discriminate differences in temperature, shape, and weight in objects placed in both hands.
		Frequency of agenesis of the corpus callosum in the developmentally disabled population as determined by computerized tomography.
	www.thefetus.net /page.php?id=73 (2758 words)

	corpus callosum - multiple sclerosis encyclopaedia
		The corpus callosum is an area of the brain that is fairly likely to be attacked in multiple sclerosis.
		The corpus callosum is one of the two main connections between the two halves (hemispheres) of the brain (the other one is the anterior commissure).
		The corpus callosum principally consists of about two hundred million white matter axons, some of which are normally myelinated (sheathed by an insulating substance called myelin) and some are not.
	www.mult-sclerosis.org /corpuscallosum.html (450 words)

	Corpus callosum - Wikipedia, the free encyclopedia
		The corpus callosum is the largest white matter structure in the mammalian brain.
		The posterior portion of the corpus callosum is called the splenium; the anterior is called the genu (or "knee"); between the two is the body.
		Agenesis of the corpus callosum is a complete or partial absence of the corpus callosum in humans.
	en.wikipedia.org /wiki/Corpus_callosum (753 words)

	Corpus callosum - Psychology Wiki (Site not responding. Last check: 2007-10-09)
		The posterior portion of the corpus callosum is called the splenium; the anterior is called the genu (or "knee"); between the two is the body.
		Agenesis of the corpus callosum is a complete or partial absence of the corpus callosum in humans.
		RB Bean, a Philadelphia anatomist, suggested in 1906 that the ‘‘exceptional size of the corpus callosum may mean exceptional intellectual activity” and claimed gender differences which were refuted by Franklin Mall, the director of his own laboratory (Bishop and Wahlsten, 1997).
	psychology.wikia.com /wiki/Corpus_callosum (768 words)

	"Habeas Corpus" Defined & Explained
		A writ of habeas corpus is a judicial mandate to a prison official ordering that an inmate be brought to the court so it can be determined whether or not that person is imprisoned lawfully and whether or not he should be released from custody.
		A habeas corpus petition is a petition filed with a court by a person who objects to his own or another's detention or imprisonment.
		In a habeas corpus proceeding, a federal court generally "will not review a question of federal law decided by a state court if the decision of that court rests on a state law ground that is independent of the federal question and adequate to support the judgment." Coleman v.
	www.lectlaw.com /def/h001.htm (1262 words)

	BioMed Central \| Full text \| Impact of in utero exposure to EtOH on corpus callosum development and paw preference in ...
		Agenesis of the corpus callosum occurs as a consequence of early embryonic insult.
		Using a surgical knife the corpus callosum was outlined and lifted away from the rest of the brain.
		As previously confirmed [32], the rat's corpus callosum (CC) is a sexually dimorphic structure with the larger CC observed in male rats.
	www.biomedcentral.com /1472-6882/2/10 (3745 words)

	Corpus Callosotomy
		The corpus callosum is a band of nerve fibers located deep in the brain that connects the two halves (hemispheres) of the brain.
		A corpus callosotomy is an operation that severs (cuts) the corpus callosum, interrupting the spread of seizures from hemisphere to hemisphere.
		After the corpus callosum is cut, the dura and bone are fixed back into place, and the scalp is closed using stitches or staples.
	www.clevelandclinic.org /health/health-info/docs/3400/3403.asp?index=11546 (662 words)

	Corpus callosotomy : Epilepsy.com/Professionals
		The corpus callosum, a structure in the brain made up of white-matter fiber tracts, is the most important connection between the two halves of the brain.
		Corpus callosotomy (callosal sectioning) is quite effective in reducing seizure frequency in patients who have generalized epilepsy with drop attacks.
		One hemisphere (the nondominant one, usually the right) is gently retracted to expose the corpus callosum, which lies at the depth between the two hemispheres.
	professionals.epilepsy.com /page/surgery_corpus.html (515 words)

	Corpus Callosum: Does size really matter?
		In the 18th century, the corpus callosum was considered the site of the soul (Maurice Ptito), and in the early 20th it was assigned the mere role of preventing the cerebral hemispheres from collapsing onto each other.
		The corpus callosum is undoubtedly the most important commissure to connect the two hemispheres, not only by virtue of its size, but also due to the wealth of its neural connections.
		The adjacent somatosensory cortex projects fibers through the anterior half of the corpus callosum whereas axons arising from auditory regions pass through the posterior two-thirds of the corpus callosum and the dorsal splenium.
	www.menstuff.org /issues/byissue/corpuscallosum.html (802 words)

	What is the Corpus Callosum?
		The corpus callosum is the largest white matter structure in the brain, found in its interior.
		In 1982, an article was published that claimed the corpus callosum is larger in women than in men, permitting greater crosstalk between the two hemispheres, but this was subsequently found to be false.
		For this reason, the removal of the corpus callosum is highly controversial, and only performed in cases in which epileptic seizures are extremely resistant to drug-based treatments.
	www.wisegeek.com /what-is-the-corpus-callosum.htm (332 words)

	Information - Corpus Callosum Research Program
		The corpus callosum is the main transverse tract of fibers that connects the two cerebral hemispheres.
		The anterior portion of the corpus callosum is the genu, which curves ventrally and forms the rostrum.
		Occasionally corpus callosum dysgenesis is also be used as a general term referring to various types of malformation of the corpus callosum including partial AgCC and hypoplasia.
	emotion.caltech.edu /agcc/info.html (2031 words)

	Corpus Callosum Atrophy & Cognitive Impairment
		Atrophy of the Corpus Callosum, Cortical HypoMetabolism, and Cognitive Impairment in CorticoBasal Degeneration
		The Atrophy of the Corpus Callosum was accompanied by a decreased mean Cortical Glucose metabolic rate with Hemispheric Asymmetry and a decrease in the sum of the scaled subtest scores of the Wechsler Adult Intelligence Scale-Revised.
		Atrophy of the Corpus Callosum with middle predominance is present in CorticoBasal Degeneration, and this Atrophy is associated with Cognitive Impairment and Cerebral Cortical HypoMetabolism with Hemispheric Asymmetry.
	members.tripod.com /~ThJuland/corpus-callosum.html (1469 words)

	The Neurosurgeon's Interest in the Corpus Callosum
		That the corpus callosum is not the exclusive "seat of the soul" is evident from the apparent normality in social situations of patients who have had complete callosotomies.
		Over the past decade, corpus callosum section has become a widely accepted, relatively safe, clearly needed, broadly practiced, and continually evolving addition to the medical treatment of certain types of severe and uncontrolled seizures in certain types patients who are not candidates for resective procedures.
		Surgical division of commissural pathways in the corpus callostim.
	www.its.caltech.edu /~jbogen/text/NeurosInterestCC.html (5685 words)

	Agenesis of Corpus Callosum
		The symptoms of Agenesis of Corpus Callosum (ACC) may initially be the onset of difficult to suppress grand mal or Jacksonian type epileptic seizures during the first weeks of life, or within the first two years.
		Agenesis of Corpus Callosum can involve a partial or complete absence of the Corpus Callosum, and in mild cases it may be overlooked due to lack of obvious symptoms during childhood.
		Agenesis of Corpus Callosum is usually inherited as an autosomal recessive trait or an X-linked dominant trait.
	hw.healthdialog.com /kbase/nord/nord355.htm (1497 words)

	Introduction: Agenesis of the corpus callosum - CureResearch.com
		- Prevalence and Incidence of Agenesis of the corpus callosum
		Researching symptoms of Agenesis of the corpus callosum: Further information about the symptoms of Agenesis of the corpus callosum is available including a list of symptoms of Agenesis of the corpus callosum, or alternatively return to research other symptoms in the symptom center.
		Prevalence and Incidence of Agenesis of the corpus callosum
	www.cureresearch.com /a/agenesis_of_the_corpus_callosum/intro.htm (472 words)

	split-brain.html
		The corpus callosum is a broad, thick mass of nerve connecting the cerebral hemispheres.
		Then he snips through the front three-fourths of the corpus callosum and, while at it, also severs a pipe-cleaner-sized cross connection known as the anterior commissure.
		Before the corpus callosum had been cut, if the right hemisphere needed a word, all it had to do was put in a call to the left side.
	www.indiana.edu /~pietsch/split-brain.html (1344 words)

	eMedicine - Corpus Callosum, Agenesis : Article Excerpt by: Manohar Aribandi, MD
		Pathophysiology: Dysgenesis of corpus callosum is usually a sporadic occurrence, although the incidence is increased in patients with trisomy 18, trisomy 13, and trisomy 8.
		Fibers of the corpus callosum arise from the superficial layers of the cerebral cortex and they project to the homotypic region of the contralateral cortex by passing through the corpus callosum while crossing the midline.
		Secondary destruction of corpus callosum occurs when the genu and anterior body are destroyed, leaving the posterior portion of the corpus callosum intact.
	www.emedicine.com /radio/byname/corpus-callosum-agenesis.htm (524 words)

	Symptoms of Agenesis of the corpus callosum - WrongDiagnosis.com
		Misdiagnosis of Underlying Causes of Agenesis of the corpus callosum
		Underlying causes of Agenesis of the corpus callosum
		This signs and symptoms information for Agenesis of the corpus callosum has been gathered from various sources, may not be fully accurate, and may not be the full list of Agenesis of the corpus callosum signs or Agenesis of the corpus callosum symptoms.
	www.wrongdiagnosis.com /a/agenesis_of_the_corpus_callosum/symptoms.htm (968 words)

	Agenesis of the corpus callosum - Wikipedia, the free encyclopedia
		Agenesis of the corpus callosum occurs when the corpus callosum, the band of tissue connecting the two hemispheres of the brain, does not develop typically in utero.
		Agenesis of the Corpus Callosum is caused by disruption to development of the fetal brain between the 5th and 16th week of pregnancy.
		Peek was born with agenesis of the corpus callosum, along with macrocephaly and damage to the cerebellum.
	en.wikipedia.org /wiki/Agenesis_of_the_corpus_callosum (813 words)

	corpus callosum
		The upper surface of the corpus callosum has a relatively thin layer of gray matter.
		Humans and, to a much lesser extent, great apes, have evolved an asymmetry of the brain whereby the two hemispheres are specialized in different functions and this, perhaps, is partly responsible for our great intellectual abilities.
		The corpus callosum is the main channel through which nerve transmissions between the two pass.
	www.daviddarling.info /encyclopedia/C/corpus_callosum.html (209 words)

	Corpus Callosum
		In the 18th century, the corpus callosum was considered the site of the soul (Maurice Ptito), and in the early 20th it was assigned the mere role of preventing the cerebral hemispheres from collapsing onto each other.
		The corpus callosum is undoubtedly the most important commissure to connect the two hemispheres, not only by virtue of its size, but also due to the wealth of its neural connections.
		The adjacent somatosensory cortex projects fibers through the anterior half of the corpus callosum whereas axons arising from auditory regions pass through the posterior two-thirds of the corpus callosum and the dorsal splenium.
	www.psyweb.com /Brain/cc.jsp (422 words)

	RT-Image.com: Agenesis of the Corpus Callosum: Unraveling the mystery
		Agenesis of the callosum is the congenital absence of the brain's corpus callosum.
		Some findings in agenesis of the callosum as seen on an MRI are missing portions of the corpus callosum; high riding third ventricles; widely spaced, parallel, crescent-shaped lateral ventricles; medial impingement of the Probst bundle on ventricles, cyst or lipom; pointed frontal horns; and incomplete development of hippocampal formation.
		Although a child with agenesis of the corpus callosum may be able to keep up with his or her peers early on, as the peer group begins to make use of an increasingly efficient corpus callosum, the child with agenesis of the corpus falls behind in mental and social functioning.
	www.rt-image.com /content=9504J05C4896A08040B69C74446860441 (2156 words)

	corpus callosum (Site not responding. Last check: 2007-10-09)
		As we go deeper into the brain, keep in mind that the corpus callosum is a broad, thick band running from side to side and consisting of millions and millions of nerve fibers.
		If something prevents those cells from developing then the corpus callosum won't develop, either; a condition called agenesis of the corpus callosum (ACC) will be the result.
		The rear of the corpus callosum is the splenium, the sparing of which during split-brain surgery reportedly permits the patient's personality to remain single and unified.
	www.indiana.edu /~pietsch/callosum.html (301 words)

	Corpus Callosum
		One section of the brain which is intimately involved in cerebral organization, both during growth and all through adulthood, is the corpus callosum.
		The corpus callosum is also involved in the control of certain kinds of eye movements.
		Certainly a corpus callosum that does not effectively regulate arousal, attention, and allocation of neural space and repeatedly sends delayed or degraded signals to an already poorly developed language area sounds like a recipe for verbal disaster.
	www.dyslexia.org /corpus.shtml (1720 words)

	Agenesis of the corpus callosum definition - Medical Dictionary definitions of popular medical terms
		Agenesis of the corpus callosum: A congenital abnormality (a birth defect) in which there is partial or complete absence (agenesis) of the corpus callosum, the area of the brain which connects the two cerebral hemispheres (the two halves of the brain).
		Girls with agenesis of the corpus callosum may have a specific condition called Aicardi's syndrome in which there is severe mental retardation, infantile spasms and chorioretinal lacunae.
		Children with agenesis of the corpus callosum accompanied by developmental delay and/or seizure disorders should be screened for metabolic disorders.
	www.medterms.com /script/main/art.asp?articlekey=23940 (441 words)

	Corpus callosotomy : Epilepsy.com
		When performing a corpus callosotomy, Corpus callosotomyA surgical technique that disconnects the cerebral hemispheres and is most effective in reducing atonic and tonic-clonic seizures.
		Close the surgeon cuts the corpus callosum, the large fiber bundle that connects the two sides of the brain.
		Corpus callosotomy is most effective for atonic seizures ("drop attacks"), tonic-clonic seizures, and tonic seizures.
	www.epilepsy.com /epilepsy/corpus_collostomy.html (245 words)

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