What are the common symptoms of brain tumors?

Many symptoms: Headache, nausea, vomiting, stroke like symptoms (weakness in extremities, inability to speak or read or write, visual loss), change in cognition( thinking) and many more. It really depends which part of the brain is being affected by the tumor.

Many: The symptoms are related to where in the brain the tumor lies and can include motor and sensory changes, cognition changes and seizures. But all of these can be related to other causes and should be diagnosed and treated by physicians familiar with these problems.