Pictorial Atlas of Epilepsy Substrates
Figure 5.1. Mesial temporal sclerosis. Coronal T2-weighted image from MRI without gadolinium in a 7-year-old male with temporal lobe epilepsy shows increased signal intensity and decreased size of the left…
Electroencephalographic Atlas of Epileptiform Abnormalities
Figure 8.1. Electrode positions and nomenclature of the combinatorial 10-10 system proposed by the American Electroencephalographic Society (1) and the International Federation of Clinical Neurophysiology (2). For consistency and ease…
Neonatal Seizures
Figure 35.1. Three types of “seizures” in the newborn: “electrographic only,” “electroclinical,” and “clinical only.” SIGNIFICANCE OF NEONATAL SEIZURES Incidence The incidence of seizures in the first 28 days of…
Video–EEG Monitoring in the Presurgical Evaluation
Video–EEG Equipment Most epilepsy centers use digital video–EEG acquisition systems for video–EEG monitoring. Digital video allows viewing of recorded events remote from the video–EEG monitoring area, provided the hardware and…
Neurophysiologic Basis of the Electroencephalogram
Figure 6.1. Morphology and histology of neuronal and glial elements in the neocortex. Rectangles and arrows indicate extended sections. In section 1, only a minor portion of the neurons is…
Localization and Field Determination in Electroencephalography
where ∇2 is the second spatial gradient operator, Φ is the scalar potential in volts, ρ is the free charge density, and ε is the permittivity of the mass of…
Magnetic Resonance Imaging in Evaluation for Epilepsy Surgery
Figure 73.1. Broca and Wernicke area: A, B: Major landmarks on sagittal images to identify Broca and Wernicke area. C–E: Left perisylvian encephalomalacia due to perinatally acquired ischemic injury displayed…
Focal Motor Seizures
Figure 11.1. Mesial and lateral aspects of the left hemisphere: schematic representation of the three motor areas and their approximate relationship to the surface hemispheric anatomy. The shaded area corresponds…
Generalized Motor Seizures
Figure 14.1. Generalized epilepsy subdivided into convulsive (motor) and nonconvulsive (nonmotor) seizures. (Adapted from Berg AT, Berkovic SF, Brodie MJ, et al. Revised terminology and concepts for organization of seizures…
Status Epilepticus
Related posts: The Natural History of Seizures Hormones, Catamenial Epilepsy, Sexual Function, and Reproductive and Bone Health in Epilepsy Epilepsy in the Setting of Inherited Metabolic and Mitochondrial Disorders Phenobarbital…
