EEG
Pronunciation: ee-ee-gee
Also written as: EEG — electroencephalography
Electroencephalography; a technique recording electrical activity of the brain through scalp electrodes.
Full Definition
Electroencephalography (EEG) is a non-invasive neurophysiological technique that measures electrical activity generated by neuronal populations in the brain. In neuroinformatics, EEG data provides high temporal resolution recordings of brain activity, typically sampled at rates from 250Hz to several kilohertz. EEG is particularly valuable for studying brain oscillations, event-related potentials, and real-time neural dynamics. The technique involves placing multiple electrodes on the scalp according to standardized positioning systems, most commonly the 10-20 international system. EEG data requires extensive preprocessing to remove artifacts and is often analyzed in both time and frequency domains.
Usage
Usage note: Use all caps as acronym; lowercase when spelled out as electroencephalography.
In Context
- "The EEG recording session captured 64 channels of neural activity during the cognitive task." — Experimental procedures
- "Concurrent EEG-fMRI acquisition required specialized MR-compatible electrodes." — Multimodal study description