EEG artifact
Non-cerebral electrical activity that appears on electroencephalogram recordings, potentially mimicking pathological findings.
Full Definition
EEG artifacts are electrical signals recorded during electroencephalography that originate from sources other than brain activity. Common artifacts include muscle activity, eye movements, cardiac activity, and external electrical interference. In neuropsychiatric practice, artifact recognition is crucial because these signals can mimic seizure activity, sleep patterns, or other neurological abnormalities. Proper artifact identification prevents misdiagnosis and inappropriate treatment decisions. Editorial teams must ensure accurate description of artifact types and their clinical significance in EEG reports.
Usage
Usage note: Always specify the type of artifact when clinically relevant (muscle, movement, electrical, etc.).
In Context
- "The apparent spike activity was determined to be EEG artifact from muscle tension." — EEG interpretation report
- "Careful review revealed the abnormal patterns were EEG artifacts rather than pathological findings." — Quality assurance documentation