An atypical case of Lennox-Gastaut syndrome not associated with mental retardation: A nosological issue  Hann-Yeh Shyu, Ji-Ho Lin, Chien Chen, Shang-Yeong Kwan, Chun-Hing Yiu  Seizure - European Journal of Epilepsy  Volume 20, Issue 10, Pages 820-823 (December 2011) DOI: 10.1016/j.seizure.2011.08.001 Copyright © 2011 British Epilepsy Association Terms and Conditions

Fig. 1 Clinical presentation of absent mindedness (atypical absence seizure; motionless starring with occasional eye blinking for seconds to 1–2min) with EEG findings of slow (1–2Hz) spike-and-wave complexes. Seizure - European Journal of Epilepsy 2011 20, 820-823DOI: (10.1016/j.seizure.2011.08.001) Copyright © 2011 British Epilepsy Association Terms and Conditions

Fig. 2 Clinical presentation of subtle head nodding and clouding of consciousness lasting for 3–4s with EEG findings of generalized paroxysmal fast activity (15–20Hz) preceded by a burst of generalized high-voltage sharply contoured slow waves (3rd second) and a electrodecremental response, suggestive of brief tonic seizures. Seizure - European Journal of Epilepsy 2011 20, 820-823DOI: (10.1016/j.seizure.2011.08.001) Copyright © 2011 British Epilepsy Association Terms and Conditions

Fig. 3 A normal interictal posterior background at 11Hz. Seizure - European Journal of Epilepsy 2011 20, 820-823DOI: (10.1016/j.seizure.2011.08.001) Copyright © 2011 British Epilepsy Association Terms and Conditions