No signs that are peculiar to brain tumors are present. They are due to damage to the area of the brain where the tumor happens to be located when symptoms do occur. Thus, tumors in the front region of the brain can alter personality, tumors in the middle of the brain can impact capability, feeling, vision, etc. With brain tumors, seizures can also occur, as can headaches. However, any of these signs may be caused by a number of other neurologic disorders. It takes many measures to understand that the neurological symptoms are due to a brain tumor.