Commissurotomy

Word COMMISSUROTOMY
Character 14
Hyphenation N/A
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Definitions and meanings of "Commissurotomy"

What do we mean by commissurotomy?

Surgical incision of a commissure in the body, as one made in the heart to relieve constriction of the mitral valve or one made in the brain to treat seizure disorders. noun

The surgical division of a commissure or similar structure. noun

Here you will find one or more explanations in English for the word commissurotomy. Define commissurotomy, commissurotomy synonyms, commissurotomy pronunciation, commissurotomy translation, English dictionary definition of commissurotomy.

Synonyms and Antonyms for Commissurotomy

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The word "commissurotomy" in example sentences

As support, they appeal to commissurotomy patients who after their brain hemispheres are divided seem to act as if each half were itself a functioning mind. ❋ Tuggy, Dale (2009)

In line with the pro-Nicene tradition, while embracing the material constitution analogy as the most accurate, they also give the analogies of three men, a person with multiple personality disorder, and commissurotomy patients who seem to exhibit two “spheres of consciousness”, praising each of these as somewhat “fruitful” and to some degree illuminating (Brower and Rea 2005b). ❋ Tuggy, Dale (2009)

In the cases he reports, commissurotomy patients are conscious of some object seen in the right side of the visual field by the left hemisphere (controlled so that the information is received by only that hemisphere) until an intention is formed to reach for it with the left hand, controlled by the right hemisphere. ❋ Brook, Andrew (2006)

Unlike commissurotomy cases, it is not the case that a conscious experience of the second item exists within another unified consciousness. ❋ Brook, Andrew (2006)

As I note in the comments, I actually think commissurotomy cases are one more evidence that personal identity is not reducible to psychological continuity: people whose hemispheres have been split act almost exactly like you do. ❋ Unknown (2005)

The same reasoning has seemed to apply as well to phenomena of unilateral neglect and apraxia neither of which proved to be nearly so severe in lateralized tests after commissurotomy as one might have expected from the lateral lesion findings. ❋ Unknown (1981)

Progressive Matrices test by subjects with cerebral commissurotomy. ❋ Unknown (1981)

Very simply, the problem raised is the following: Why is it that the right hemisphere is able to do things following commissurotomy, such as reading, that it fails to do in the presence of focal damage in the left hemisphere? ❋ Unknown (1981)

It has been suggested in answer (13, 14, 15) that the commissurotomy evidence may be misleading because of an atypical bilateral spread of language into the right hemisphere correlated with the long-term epilepsy and associated pathology. ❋ Unknown (1981)

By 1967, however, the collected observations on the commissurotomy subjects were being taken to uphold the conclusion (18) that each of the disconnected hemispheres, not only the left, has its own higher gnostic functions. ❋ Unknown (1981)

It thus came as a considerable surprise in the early 1960s when tests on commissurotomy or 'split-brain' patients seemed to indicate the presence in the right, so-called 'minor' hemisphere of a considerable capacity for cognitive understanding and the comprehension of language, both written and spoken. ❋ Unknown (1981)

Levy, J. Information processing and higher psychological functions in the disconnected hemispheres of commissurotomy patients. ❋ Unknown (1981)

Only after the intact right hemisphere is released from its integration with the disruptive and suppressive influence of the damaged hemisphere, as effected by commissurotomy, can its own residual function become effective. ❋ Unknown (1981)

Saul R. & Sperry, R.W. Absence of commissurotomy symptoms with agenesis of the corpus callosum. ❋ Unknown (1981)

Milner, B. & Taylor, L. Right-hemisphere superiority in tactile pattern-recognition after cerebral commissurotomy: evidence for nonverbal memory. ❋ Unknown (1981)

The unexpected language capacities found in the right hemisphere after commissurotomy posed some controversial issues the answers to which are still not entirely resolved. ❋ Unknown (1981)

A neurosurgical technique, so-called commissurotomy, which was similar to what Sperry had performed on monkeys, had at that time also been carried out in a number of patients suffering from severe, intractable epilepsy. ❋ Unknown (1981)

The commissurotomy patients were also able with the right hemisphere to choose correct written or spoken words to match presented objects or pictures and to go correctly from spoken to printed words and vice versa. ❋ Unknown (1981)

Although the final word on these various issues is not yet in, the foregoing interpretation has received considerable support in subsequent commissurotomy studies which reveal the presence in the disconnected right hemisphere of additional superior cognitive capacities that can hardly be ascribed either to an atypical bilateralization of language or, any longer, to individual variation. ❋ Unknown (1981)

Cross Reference for Commissurotomy

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What does commissurotomy mean?

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