Hydrocephalus Hydrocephalus is the excessive amount of cerebrospinal fluid within the skull resulting in an enlarged skull and underdeveloped brain.
Electroencephalograph Electroencephalograph is a machine for recording the continuous electrical activity of the brain, usually through electrodes attached to the scalp. This activity is recorded on paper as brain waves of different frequency.
Encephalitis Encephalitis is an inflammation of the brain, usually through an infectious disease. Sometimes results in personality changes including what appears to be a lowering of intelligence.