This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Medicine
Condition with characteristic EEG finding 
Select and explain. 
A. SSPE, B. REM sleep, C. Partial Seizure, D. Absence Seizure
A: SSPE
Answer: A: SSPE 
Explanation: (A) SSPE # SSPE- Periodic discharges at 4 sec interval. Maximum at fronto central areas Giant slow waves mixed with several sharp waves.