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Neuropeptide Y (NPY) immunoreactivity and gene expression was investigated in the hippocampus after kainic acid-induced seizures and pentylenetetrazol kindling in the rat. Pronounced increases of NPY immunoreactivity were found in the terminal field of mossy fibers in both animal models. In kainic acid-treated rats the peptide progressively accumulated in(More)
The influence of sustained epileptic seizures evoked by intraperitoneal injection of kainic acid on the gene expression of the neuropeptides somatostatin and neuropeptide Y and on the damage of neurons containing these peptides was studied in the rat brain. Injection of kainic acid induced an extensive loss of somatostatin and, though less pronounced, of(More)
Nocturnal hypermotor seizures (NHSs) suggest seizure onset in the frontal lobe. We present a patient with NHSs and insular seizure onset who underwent successful surgical treatment. A 29-year-old right-handed man suffered from intractable NHSs since the age of 12 years. High-resolution MRI, [(18)F]FDG-PET, and neuropsychological examination gave normal(More)
OBJECTIVES Hippocampal abnormalities may coexist with malformations of cortical development (MCD). This cross-sectional MRI study aimed at categorizing hippocampal abnormalities in a large group of MCD and comparing MCD patients with (group W) and without (group W/O) hippocampal abnormalities. METHODS Hippocampal anatomy, rotation, size, internal(More)
PURPOSE The study aims to explore the contribution of the hippocampal formation to the retained language-comprehension network in patients with unilateral mesial temporal lobe epilepsy (TLE). METHODS We performed a functional magnetic resonance (MRI) study based on a language comprehension paradigm in 45 right-handed patients with unilateral mesial TLE(More)
PURPOSE Genital automatisms (GAs) are rare clinical phenomena during or after epileptic seizures. They are defined as repeated fondling, grabbing, or scratching of the genitals. The anatomic correlates of GAs have been discussed controversially. The aim of this investigation was to assess the localizing and lateralizing value of GAs. METHODS The authors(More)
SUMMARY : Broad sharp waves (BSWs) are a rarely recognized EEG pattern, defined as focal or lateralized high voltage, biphasic, sharply contoured 0.5 to 1/sec waves distinguished from background activities by exceeding their voltage for at least two times. The aim of the study was to determine EEG criteria, frequency, and clinical significance of BSWs.(More)
BACKGROUND Tumours are a well-recognized cause of medically intractable epilepsies. Tumours represent the primary pathology in 10%-30% of patients undergoing surgical treatment for chronic epilepsy. This study examines the surgical and epileptological outcome of adults with temporal lobe tumoural epilepsy treated within a comprehensive epilepsy surgery(More)
Midbrain-hindbrain malformations (MHM) may coexist with malformations of cortical development (MCD). This study represents a first attempt to investigate the spectrum of MHM in a large series of patients with MCD and epilepsy. We aimed to explore specific associations between MCD and MHM and to compare two groups of patients: MCD with MHM (wMHM) and MCD(More)
OBJECTIVE To review the experience with a new system (VBH system) for minimally invasive frameless stereotactic guidance, acting as a common platform to provide multimodal image integration and surgical navigation in a consecutive series of 25 patients who underwent surgery for drug-resistant seizures. METHODS The usefulness of the VBH system for(More)