Intraoperative brain mapping

Intraoperative brain mapping

Intraoperative brain mapping is when brain tumor procedures are performed while the patient is awake but sedated.

During surgery of the brain, the surgeon electrically stimulates the brain in the area around the tumor while asking the patient to perform verbal tasks such as counting or reading. Other functions including movement and sensation may be tested as well. A map is then created of the areas that must remain in order to preserve critical functions once the tumor is removed.

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