Changes in these patterns can occur with seizures, sleep disorders, brain injuries, and other brain conditions. The brain produces specific wave patterns when you’re asleep or awake. These signals tell other parts of the brain and body. Neurons normally create tiny electrical signals in a regular rhythm. Epilepsy is a type of seizure disorder in which clusters of nerve cells in the brain (neurons) behave abnormally.
The equipment records the information as lines that show your brain wave patterns. Epilepsy is a neurological (brain) disease that causes people to have seizures. The electrodes send information about the impulses through wires connected to the EEG equipment. The electrodes sense the electrical impulses as they travel between brain cells. In some cases, our neurosurgeons perform surgery to place electrodes in or on the brain to record electrical activity for a longer period of time. These EEGs usually take about one hour to several hours. Or you may wear a cap with embedded electrodes. On an EEG, this activity looks like wavy lines.įor most types of EEG, our technicians attach electrodes (small, metal sensors) to your scalp using washable glue. Brain cells communicate with each other by sending electrical signals, even when you’re asleep. An electroencephalogram (EEG) records and measures your brain’s electrical activity, including brain wave patterns and any unusual changes.
