Source: wikibot/intermittent-rhythmic-delta-activity
= Intermittent rhythmic delta activity
{wiki=Intermittent_rhythmic_delta_activity}
Intermittent rhythmic delta activity (IRDA) refers to a specific pattern observed on an electroencephalogram (EEG). It is characterized by rhythmic delta wave activity (0.5 to 4 Hz) that occurs intermittently, rather than continuously, and typically appears in one or more regions of the brain.