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Stereotyped spells involving olfactory aura, nausea, disorientation, and unresponsiveness (1)

EEG in a 47-year-old man during a seizure (red bar) arising from light sleep. Initially, there is emergence of theta/alpha range frequencies broadly over the left temporal region, maximal at electrodes F7 and T3. Clinically, the patient was observed to have lip-smacking automatisms during this seizure. (Source: Rao VR, Lim LE, Fong D, Garga NI, Parko KL. Multicentric Castleman's disease with voltage-gated potassium channel antibody-positive limbic encephalitis: a case report. BMC Neurol 2015;15:4. Creative Commons Attribution 4.0 International [CC BY 4.0] license, creativecommons.org/licenses/by/4.0.)

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