EEGS are commonly known as electroencephalograms, which are medical tests that measure and record the electrical activity of the brain. There are several synonyms for EEGs in layman's terms that can help people understand this test better. Some of the synonyms of EEGs include a brainwave test, a neuroscan, and a brain test. Other synonyms that may be used for EEGs in clinical settings include electroencephalography, encephalography, and electrocranial graphy. Understanding the various synonyms for this medical test can help individuals recognize it when it is mentioned in conversations with medical professionals or in medical documents.