Epilepsy

Giuseppe Erba, Elisa Bianchi, Giorgia Giussani, John Langfitt, Adam Juersivich, Ettore Beghi December 5, 2017

Recording typical events on video during simultaneous monitoring of the EEG is the landmark for differentiating epileptic seizures (ES) from psychogenic nonepileptic seizures (PNES). Nonetheless, a normal ictal EEG does not rule out ES and no single feature of an event recorded on video has proved pathognomonic of either syndrome.… Read More...

Isabelle Lambert, Nicolas Roehri, Bernard Giusiano, Romain Carron, Fabrice Wendling, Christian Benar, Fabrice Bartolomei December 4, 2017

Summary

Objective

Non–rapid eye movement (NREM) sleep is known to be a brain state associated with an activation of interictal epileptic activity. The goal of this work was to quantify topographic changes occurring during NREM sleep in comparison with wakefulness.

Method

We studied intracerebral recordings of 20 patients who underwent stereo-electroencephalography (SEEG) during presurgical evaluation for pharmacoresistant focal epilepsy.

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Jessica Stark, Elliott Friedman, Stephen Thompson, Gretchen Von Allmen, Meenakshi Bhattacharjee, Nitin Tandon December 4, 2017

Summary

Dysembryoplastic neuroepithelial tumors (DNETs) are World Health Organization grade 1 neoplasms, typically present as isolated cortical lesions with no associated edema. We present 3 rare cases of DNETs that were atypical in location (all were subcortical and 1 was bilateral), 2 of which displayed substantial growth over time.

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Chang-hyun Park, Yun Seo Choi, Hyeon Jin Kim, Hwa-Kyung Chung, A-Reum Jung, Jeong Hyun Yoo, Hyang Woon Lee December 4, 2017

Summary

Objective

Patients with temporal lobe epilepsy (TLE) show brain connectivity changes in association with cognitive impairment. Seizure frequency and lateralization are 2 important clinical factors that characterize epileptic seizures. In this study, we sought to examine an interactive effect of the 2 seizure factors on intratemporal effective connectivity based on resting-state functional magnetic resonance imaging (rsfMRI) in patients with TLE.

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