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Question

Which one of the following is a childhood onset epilepsy syndrome characterized by multiple seizure types, developmental delay and slow (< 3 Hz) spike-and-wave discharges on an electroencephalogram?

This question was previously asked in
UPSC CMS 2026 Surgery, Gynaecology & Obstetrics, and PSM Question Paper (02-Aug-2026)
The correct answer is

Lennox–Gastaut Syndrome

Lennox-Gastaut Syndrome is a severe childhood-onset epileptic encephalopathy characterized by multiple seizure types (tonic, atonic, atypical absence), developmental delay/intellectual disability, and slow (<3 Hz) spike-and-wave discharges on EEG.

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Important Questions from Epilepsy

  1. The rhythmic activity recorded on scalp by EEG in a normal awake adult lying quietly with eyes closed is:
  2. Consider the following with regard to trigger factors for seizures : 

    1. Flickering lights 

    2. Recreational drug misuse 

    3. Non-compliance to treatment with antiepileptic drugs 

    4. Sleep deprivation 

    Which of the factors given above are correct?

  3. Focal seizures may be associated with which of the following? 

    1. Jacksonian march 

    2. Todd's paralysis 

    3. Epilepsia partialis continua 

    Select the correct answer using the code given below.

  4. Typical absence seizures are characterized by
  5. Match List I with List II and select the correct answer using the code given below the lists: ​

    List I (Drugs for Epilepsy)   List II (Side Effects - Dose Dependent)
    A. Sodium valproate1. Raised liver enzymes
    B. Carbamazepine2. Hirsutism
    C. Phenytoin3. Hyperactivity
    D. Phenobarbitone4. Drowsiness
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