Seizures are the most common symptom of a tumor in this location. The ability to recognize sounds or the source of sounds may be affected. Vision can be impaired. Tumor One-sided paralysis is the most common symptom. This tumor might invade other areas of the cerebral hemispheres and produce symptoms common to tumors in those locations.
Seizures are uncommon.
A tumor in the middle of the corpus callosum might cause few, if any, symptoms until it grows quite large. This tumor might invade other lobes of the cerebral hemispheres and produce symptoms common to tumors in those locations. Seizures are uncommon. The hypothalamus controls thirst and urination, sleep, body temperature, appetite, and blood pressure. The hypothalamus coordinates patterns of activity and controls emotions.