Elektroensefalograafia

Elektroensefalograafia, commonly known as EEG, is a non-invasive neurophysiological monitoring method used to record the electrical activity of the brain. It involves placing small electrodes on the scalp, which detect and amplify the tiny electrical signals generated by the brain's neurons. These signals are then displayed as waveforms on a monitor, representing the brain's electrical patterns.

EEG is a valuable diagnostic tool used in a variety of medical contexts. It is particularly crucial in the diagnosis and management of epilepsy, where it can help identify the type of seizure and pinpoint the origin of abnormal electrical discharges. Beyond epilepsy, EEG can assist in the evaluation of sleep disorders, brain tumors, strokes, and other neurological conditions that affect brain function. It is also employed in research settings to study cognitive processes, brain development, and the effects of various stimuli on brain activity.

The procedure itself is painless and generally safe. Patients are typically asked to remain still and sometimes perform simple tasks like opening or closing their eyes, or breathing deeply, to elicit specific brain responses. The interpretation of EEG results requires specialized expertise, as the brain's electrical patterns can be influenced by numerous factors, including age, alertness, and medication. Despite its limitations, EEG remains a cornerstone of neurological assessment, providing a unique window into the dynamic electrical workings of the human brain.