Intermittent Rhythmic Delta Activity
Encyclopedia
Intermittent Rhythmic Delta Activity (IRDA) is a type of brain wave
abnormality found in electroencephalograms (EEG). It is found in the frontal (FIRDA) or occipital (OIRDA) areas of the brain and can be caused by a number of different reasons, some benign, unknown reasons, but also are commonly associated with lesion
s, tumor
s, and encephalopathies
.
Brain wave
* Brain Wave, a science fiction novel by Poul Anderson* a neural oscillation* a layman term for the electric fields measured by Electroencephalography...
abnormality found in electroencephalograms (EEG). It is found in the frontal (FIRDA) or occipital (OIRDA) areas of the brain and can be caused by a number of different reasons, some benign, unknown reasons, but also are commonly associated with lesion
Lesion
A lesion is any abnormality in the tissue of an organism , usually caused by disease or trauma. Lesion is derived from the Latin word laesio which means injury.- Types :...
s, tumor
Tumor
A tumor or tumour is commonly used as a synonym for a neoplasm that appears enlarged in size. Tumor is not synonymous with cancer...
s, and encephalopathies
Encephalopathy
Encephalopathy means disorder or disease of the brain. In modern usage, encephalopathy does not refer to a single disease, but rather to a syndrome of global brain dysfunction; this syndrome can be caused by many different illnesses.-Terminology:...
.