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[Study on interictal epileptiform discharges in juvenile myoclonic epilepsy patient with EEG-fMRI]. 2007

Yonghong Liu, and Xuhong Yang, and Wei Liao, and Ling Liu, and Bo Yan, and Xu Lin, and Jing Xi, and Hongru Xu, and Huafu Cheng, and Dong Zhou
Department of Neurology, West China Hospital of Sichuan University, Chengdu 610041, China.

Using simultaneous EEG-correlated functional MRI (EEG-fMRI), we studied the blood oxygenation level-dependent (BOLD) signals in a juvenile myoclonic epilepsy (JME) patient with interictal epileptiform discharges. Extensive and symmetric activation and deactivation areas were assessed in bilateral hemispheric regions respectively, and these signals decreased gradually from the parieto-occipital region to the frontal region. Activations were found in cuneus, insulae, mesial midfrontal region, midline and bilateral cerebellum and thalamus, while the deactivities were in the bilateral anterior frontal region and parietal region as well as the posterior cingulate gyri. These findings suggest that the synchronized neuronal activities represented by spike and wave complex in EEG be reflected in the activation of BLOD signals in thalamocortical regions. However, those regions of deactivation reflect the suspension of the default state of brain function resulting indirectly from this discharge. There is good correspondence between neuronal activity (EEG) and fMRI. The combination of EEG and fMRI is a powerful tool in studying brain function.

UI MeSH Term Description Entries
D007091 Image Processing, Computer-Assisted A technique of inputting two-dimensional or three-dimensional images into a computer and then enhancing or analyzing the imagery into a form that is more useful to the human observer. Biomedical Image Processing,Computer-Assisted Image Processing,Digital Image Processing,Image Analysis, Computer-Assisted,Image Reconstruction,Medical Image Processing,Analysis, Computer-Assisted Image,Computer-Assisted Image Analysis,Computer Assisted Image Analysis,Computer Assisted Image Processing,Computer-Assisted Image Analyses,Image Analyses, Computer-Assisted,Image Analysis, Computer Assisted,Image Processing, Biomedical,Image Processing, Computer Assisted,Image Processing, Digital,Image Processing, Medical,Image Processings, Medical,Image Reconstructions,Medical Image Processings,Processing, Biomedical Image,Processing, Digital Image,Processing, Medical Image,Processings, Digital Image,Processings, Medical Image,Reconstruction, Image,Reconstructions, Image
D008279 Magnetic Resonance Imaging Non-invasive method of demonstrating internal anatomy based on the principle that atomic nuclei in a strong magnetic field absorb pulses of radiofrequency energy and emit them as radiowaves which can be reconstructed into computerized images. The concept includes proton spin tomographic techniques. Chemical Shift Imaging,MR Tomography,MRI Scans,MRI, Functional,Magnetic Resonance Image,Magnetic Resonance Imaging, Functional,Magnetization Transfer Contrast Imaging,NMR Imaging,NMR Tomography,Tomography, NMR,Tomography, Proton Spin,fMRI,Functional Magnetic Resonance Imaging,Imaging, Chemical Shift,Proton Spin Tomography,Spin Echo Imaging,Steady-State Free Precession MRI,Tomography, MR,Zeugmatography,Chemical Shift Imagings,Echo Imaging, Spin,Echo Imagings, Spin,Functional MRI,Functional MRIs,Image, Magnetic Resonance,Imaging, Magnetic Resonance,Imaging, NMR,Imaging, Spin Echo,Imagings, Chemical Shift,Imagings, Spin Echo,MRI Scan,MRIs, Functional,Magnetic Resonance Images,Resonance Image, Magnetic,Scan, MRI,Scans, MRI,Shift Imaging, Chemical,Shift Imagings, Chemical,Spin Echo Imagings,Steady State Free Precession MRI
D010100 Oxygen An element with atomic symbol O, atomic number 8, and atomic weight [15.99903; 15.99977]. It is the most abundant element on earth and essential for respiration. Dioxygen,Oxygen-16,Oxygen 16
D001921 Brain The part of CENTRAL NERVOUS SYSTEM that is contained within the skull (CRANIUM). Arising from the NEURAL TUBE, the embryonic brain is comprised of three major parts including PROSENCEPHALON (the forebrain); MESENCEPHALON (the midbrain); and RHOMBENCEPHALON (the hindbrain). The developed brain consists of CEREBRUM; CEREBELLUM; and other structures in the BRAIN STEM. Encephalon
D004569 Electroencephalography Recording of electric currents developed in the brain by means of electrodes applied to the scalp, to the surface of the brain, or placed within the substance of the brain. EEG,Electroencephalogram,Electroencephalograms
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000293 Adolescent A person 13 to 18 years of age. Adolescence,Youth,Adolescents,Adolescents, Female,Adolescents, Male,Teenagers,Teens,Adolescent, Female,Adolescent, Male,Female Adolescent,Female Adolescents,Male Adolescent,Male Adolescents,Teen,Teenager,Youths
D020190 Myoclonic Epilepsy, Juvenile A disorder characterized by the onset of myoclonus in adolescence, a marked increase in the incidence of absence seizures (see EPILEPSY, ABSENCE), and generalized major motor seizures (see EPILEPSY, TONIC-CLONIC). The myoclonic episodes tend to occur shortly after awakening. Seizures tend to be aggravated by sleep deprivation and alcohol consumption. Hereditary and sporadic forms have been identified. (From Adams et al., Principles of Neurology, 6th ed, p323) Epilepsy, Myoclonic, Juvenile,Impulsive Petit Mal, Janz,Janz Syndrome,Juvenile Myoclonic Epilepsy,Adolescent Myoclonic Epilepsy,Epilepsy, Myoclonic Juvenile,Impulsive Petit Mal Epilepsy,JME (Juvenile Myoclonic Epilepsy),Janz Impulsive Petit Mal,Janz Juvenile Myoclonic Epilepsy,Juvenile Myoclonic Epilepsy of Janz,Myoclonic Epilepsy, Adolescent,Myoclonic Epilepsy, Juvenile, 1,Petit Mal, Impulsive,Petit Mal, Impulsive, Janz,Epilepsy, Adolescent Myoclonic,Epilepsy, Juvenile Myoclonic,JMEs (Juvenile Myoclonic Epilepsy),Juvenile Epilepsy, Myoclonic,Myoclonic Juvenile Epilepsy

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