EEG Flashcards
1
Q
4-6 Hz polyspike & wave interictally
Photic stim –> spikes
A
JME
2
Q
PLEDS
A
High amplitude
Sharp and slow wave 0.5 - 3 Hz
Anoxia, Hsv encephalitis, stroke, tumor
3
Q
Hypnagogic Hypersynchrony
A
Early drowsiness & arousal from sleep Bilateral high voltage rhythmic 3-5 Hz First at 2 months Prominent & continuous at 9 mos Then shorter, more paroxysmal at 4 yrs Rare by 9 yrs Seen up to 13 yrs
4
Q
Sleep spindles
A
Appear at 2 mos
14 Hz –> 12 Hz at 2 yrs
Centro Parietal with shifting asymmetries
At 3-6 months, prolonged runs for ~15 sec
