Cognitive Status After Removal of Skull Base Meningioma

Inclusion Criteria: * Subject has a meningioma associated with the frontal or temporal lobes * Subject is scheduled to undergo open craniotomy or Endoscopic Endonasal surgery * Subject is 18 years of age or older * The subject must in the investigator's opinion, be psychosocially, mentally, and physically able to fully comply with this protocol including the required follow-up visits, the filling out of required forms, and have the ability to understand and give written informed consent * Previous surgery will not exclude the patient as a new baseline cognitive evaluation will occur. Exclusion Criteria: * Patient is a prisoner * Patient is 90 years of age or older * Pregnant women * Previous radiation to the brain