Similar to memory problems, the frontal and temporal lobes are in charge of the speech. This means that the location of the tumor can also affect your speaking abilities. A lot of difficulties in communication can arise due to the placement of a tumor, and dysphasia is the most common. Having problems with language understanding and speaking might be troublesome and it is not necessarily related to a loss of cognitive functions or intellect. It is possible to have difficulties to articulate words, suffer from problems with the muscles involved in the communicational process and vocal cords that interfere with regular speech.