. . . . " different place in the brain (this is rare)Possible risks of any brain surgery are:Blood clot or bleeding in the brainBrain swellingComaConfusion, usually lasting only for days or weeks at mostInfection in the brain, in the wound, or in the skullProblems with speech, memory, muscle weakness, balance, vision, coordination, and other functions, which may be short-term or permanentSeizuresStrokeRisk" . . . . .