BCIA Continuing Education Posts

The BioSource Faculty Explain Peer-Reviewed Science

Interpreting the Raw EEG: Temporal Intermittent Rhythmic Delta Activity (TIRDA)

The most common diagnostic pitfall occurs when TIRDA is misread as nonspecific temporal slowing. Many readers unfamiliar with its focal rhythmic structure mistakenly attribute it to background slowing due to prior injury or generalized dysfunction.

BioSource Faculty

Jun 1813 min read

Interpreting the Raw EEG: Occipital Intermittent Rhythmic Delta Activity (OIRDA)

We wish clinicians knew that OIRDA is not an epileptiform discharge. It does not reflect hyperexcitability or paroxysmal depolarization, and in isolation, it is not a seizure pattern.

qEEG

Fred Shaffer

Jun 1716 min read