Tumors of NS

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Across
  1. 1. astrocytic proliferation following neuronal injury
  2. 5. process by which a normal brain becomes epileptic
  3. 9. abnormal paroxysmal neuronal firing
  4. 10. period between seizure episodes
  5. 13. sharp waveform seen on EEG
  6. 15. cellular element primarily affected in epilepsy
  7. 17. inhibitory neurotransmission reduced in epilepsy
  8. 19. increased neuronal firing tendency
  9. 20. neuronal loss and gliosis in chronic epilepsy
Down
  1. 2. period of actual seizure activity
  2. 3. region commonly involved in temporal lobe epilepsy
  3. 4. progressive increase in seizure activity after repeated stimuli
  4. 6. neuronal injury due to excessive glutamate activity
  5. 7. simultaneous firing of neuronal populations
  6. 8. prolonged or repeated seizures without recovery
  7. 11. level at which seizure is triggered
  8. 12. abnormal neural networks sustaining seizures
  9. 14. slow EEG activity following spikes
  10. 16. localized area of seizure origin
  11. 18. subjective sensation preceding seizure