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Related Concept Videos

Higher Mental Functions of the Brain: Language01:10

Higher Mental Functions of the Brain: Language

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Language is a system of communication that allows the expression of thoughts, ideas, and feelings. The brain processes language in both hemispheres.
Language formation and comprehension take place in the dominant hemisphere. The dominant hemisphere is responsible for understanding the meaning of spoken, written, or sign language, as well as the ability to communicate. For most people, the left hemisphere is the dominant one. The right hemisphere, then, gives tone and emotional context to the...
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Association Areas of the Cortex01:21

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Association areas are regions of the cerebral cortex that do not have a specific sensory or motor function. Instead, they integrate and interpret information from various sources to enable higher cognitive processes such as memory, learning, and decision-making. Some key association areas include the following:
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
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Functional Magnetic Resonance Imaging and Diffusion Tensor Imaging for Language Mapping in Brain Tumor Surgery: Validation With Direct Cortical Stimulation and Cortico-Cortical Evoked Potential.

Korean journal of radiology·2023
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Intraoperative Language Area Mapping: Cortico-Cortical Evoked Potential.

Tae-Min Cheon1, Soo-Hyun Yoon2, Myoung-Jeong Kim2

  • 1Department of Neurosurgery, Inha University Hospital, Inha University College of Medicine, Incheon, Korea.

Brain Tumor Research and Treatment
|May 10, 2025
PubMed
Summary

Cortico-cortical evoked potential (CCEP) monitoring offers a promising alternative to awake surgery for intraoperative language mapping during brain tumor resection, aiding maximal safe resection (MSR) and language function preservation.

Keywords:
Brain tumorCortico-cortical evoked potentialLanguage areaMappingPreservation

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Area of Science:

  • Neurosurgery
  • Neurophysiology
  • Neuro-oncology

Background:

  • Maximal safe resection (MSR) is crucial for glioma prognosis, especially for tumors near eloquent areas.
  • Intraoperative language mapping is essential for tumors within or near the complex language network.
  • Awake surgery is the gold standard for language mapping but has limitations.

Purpose of the Study:

  • To review the current evidence on cortico-cortical evoked potential (CCEP) monitoring for intraoperative language function assessment.
  • To evaluate the effectiveness of CCEP-guided surgery in preserving language function during brain tumor resection.

Main Methods:

  • Literature review of studies utilizing CCEP monitoring in brain surgery.
  • Analysis of CCEP's role in language area identification and MSR.
  • Comparison of CCEP monitoring under general anesthesia with awake surgery.

Main Results:

  • CCEP monitoring is a viable alternative to awake surgery for language mapping under general anesthesia.
  • CCEP-guided surgery shows potential for achieving MSR while preserving language function.
  • Evidence supports CCEP's effectiveness in complex language network cases.

Conclusions:

  • CCEP monitoring is an effective tool for intraoperative language assessment, particularly when awake surgery is not feasible.
  • CCEP-guided brain surgery can help achieve maximal safe resection and preserve crucial language functions.
  • Further research can solidify CCEP's role in neurosurgical oncology.