Описание: Since endoscopic ultrasonography was first used approximately 15 years ago, it has become a valuable adjunct tool, supplementing endoscopy, conventional ultrasound, and CT for a large number of specific indications. Features of this book include: physical laws and technology as necessary for an understanding of the imaging technique; indications and clinical value of the method for specific indications; examinationtechnique in normal findings as the basis of evaluation: for example, passage through the esophagus and stomach are shown step by step using more than 3 illustrations. All original photographs are explained with correlated line drawings, aiding the unexperienced examiner to interpret images with confidence. Written by authors who were pioneers in the method, and who have established an international reputation.
Описание: Detection of Change: Event-Related Potential and fMRI Findings presents the first systematic overview of how event-related brain potential (ERP), cognitive electroencephalography (EEG), and functional magnetic imaging (fMRI) measures reflect the mental events arising from changes in sensory stimulation. Reviews by leading experts provide clarifying introductory background material that is well integrated with the cogently collated findings. Topics include the empirical and theoretical analysis of mismatch negativity, P300, human lesion studies, and stimulus binding. These areas provide the backdrop for summaries of auditory/visual ERP interactions, the conjoint use of fMRI methods, and neuroelectric processing models of attention and memory. The contents are fresh, the literature distillations highly informative, and the range of topics extremely useful. This book fills a major need by making contemporary results highly assessable to cognitive neuroscientists, psychologists, and researchers interested in the neural underpinnings of how the brain responds to stimulus change.
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