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Question Date: 23/11/2023


Question: What does the EEG depict?


Options:

  • TIRDA
  • RMTD
  • Lambda rhythm
  • Right Temporal epileptiform focus


Correct Answer: RMTD


View Image: Image_20231122111926655de3be9dc1c.jpg

Explaination: Subjects<br>- Adolescent to young adults<br>- 0.3-2% of normal<br><br>Sleep/Awake<br>- Light sleep, Sometimes in awake<br><br>Distribution<br>- Midtemporal areas<br>- Bilaterally or independent over the two hemispheres<br>- Shifting from one temporal to the other<br><br>Waveform<br>- 4-7Hz theta<br>- Flat-topped or notched appearance<br><br>Amplitude<br>- gradually increase, then gradually decrease (but monorhythmic and monomorphic)<br>- Repeatedly seen<br>- Lasting for 10sec to more than 1 minute


Reference: ( Note: 14 &6 and Wicket spike are more spiky and arciform)