Cortical stimulation mapping for localization of visual and auditory language in pediatric epilepsy patients.

07:00 EST 8th November 2019 | BioPortfolio

Summary of "Cortical stimulation mapping for localization of visual and auditory language in pediatric epilepsy patients."

To determine resection margins near eloquent tissue, electrical cortical stimulation (ECS) mapping is often used with visual naming tasks. In recent years, auditory naming tasks have been found to provide a more comprehensive map. Differences in modality-specific language sites have been found in adult patients, but there is a paucity of research on ECS language studies in pediatric patients. The goals of this study were to evaluate word-finding distinctions between visual and auditory modalities and identify which cortical subregions most often contain critical language function in a pediatric population.


Journal Details

This article was published in the following journal.

Name: Journal of neurosurgery. Pediatrics
ISSN: 1933-0715
Pages: 1-10


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Medical and Biotech [MESH] Definitions

An auditory brainstem structure in the pontine tegmentum that contains several nuclei associated with auditory localization and is component of ascending and descending auditory pathways.

The recorded electrical responses from nerve, muscle, SENSORY RECEPTOR, or area of the CENTRAL NERVOUS SYSTEM following stimulation. They range from less than a microvolt to several microvolts. The evoked potential can be auditory (EVOKED POTENTIALS, AUDITORY), somatosensory (EVOKED POTENTIALS, SOMATOSENSORY), visual (EVOKED POTENTIALS, VISUAL), or motor (EVOKED POTENTIALS, MOTOR), or other modalities that have been reported. Often used synonymously to event-related potentials which are associated with higher level cognitive processes.

The electric response evoked in the CEREBRAL CORTEX by ACOUSTIC STIMULATION or stimulation of the AUDITORY PATHWAYS.

Measurable changes in activities in the CEREBRAL CORTEX upon a stimulation. A change in cortical excitability as measured by various techniques (e.g., TRANSCRANIAL MAGNETIC STIMULATION) is associated with brain disorders.

Acquired or developmental cognitive disorders of AUDITORY PERCEPTION characterized by a reduced ability to perceive information contained in auditory stimuli despite intact auditory pathways. Affected individuals have difficulty with speech perception, sound localization, and comprehending the meaning of inflections of speech.

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Hearing, auditory perception, or audition is the ability to perceive sound by detecting vibrations, changes in the pressure of the surrounding medium through time, through an organ such as the ear. Sound may be heard through solid, liquid, or gaseous mat...

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Epilepsy is defined as a disorder of brain function characterized by recurrent seizures that have a sudden onset.  (Oxford Medical Dictionary).  A seizure is caused by a sudden burst of excess electrical activity in the brain, causing a tempora...

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