Characteristics of Normal EEG Thoru Yamada Elizabeth Meng Normal Awake EEG EEG shows considerable interindividual variability and also changes significantly depending on the level of consciousness. Further, there are progressive…
Principles of Visual Analysis of EEG Thoru Yamada Elizabeth Meng The most characteristic features that distinguish EEG from other neurodiagnostic studies are (i) the dynamic nature by which it expresses…
Neuroanatomical and Neurophysiologic Basis of EEG Thoru Yamada Elizabeth Meng To understand the electroencephalogram (EEG) and its related field of clinical neurophysiology, it is important to know basic neuroanatomy and…
Basic EEG Technology Thoru Yamada Elizabeth Meng Personnel in the EEG Laboratory All EEG laboratories have, at minimum, two members of the staff: an EEG technologist and an electroencephalographer. An…
Basic Electronics and Electrical Safety Peter Seaba Thoru Yamada Basic Electricity and Electronics The following is a synopsis of the “basic electricity” concepts that are important for one to know…
Digital EEG Malcolm Yeh Introduction Traditional electroencephalogram (EEG) recordings are typically used for medical diagnosis and neurobiological research. One EEG channel, commonly recorded from a surface electrode attached to the…
Introduction: History and Perspective of Clinical Neurophysiologic Diagnostic Tests Thoru Yamada Elizabeth Meng Early History of Electroencephalogram and Related Fields In 1875, Richard Caton (Fig. 1-1), a physiologist from the…
Meningomyelocele Determination of Level Determining the level of neurologic involvement in meningomyelocele is crucial. It permits the evaluation of the following five major functional criteria: Determination of the extent of…
Evaluation of Nerve Root Lesions Involving the Trunk and Lower Extremity Manifestations of pathology involving the spinal cord and cauda equina, such as herniated disks, tumors, or avulsed nerve roots,…
Cervical Cord Lesions: Tetraplegia Tetraplegia, or quadriplegia as it is more commonly known, means paralysis involving all four extremities. The lesion that causes such paralysis occurs in the cervical spine….
