Atlas of Brain Mapping: Topographic Mapping of EEG and Evoked Potentials
From its discovery in 1929 by Hans Berger until the late 1960s, when sensory visual and auditory evoked potentials were dis covered and became popular, the EEG was the most important method of neurophysiological examination. W-ith the advent of computer technology in the 1980s, it became possible to plot the potential fields of the EEG onto models of the scalp. This plot ting of information as neuroimages followed the structural and functional techniques of Cf, MRI, PET and SPECf. The success of this method, which began in the early 1980s, has led to the brain mapping of EEGs and EPs being increasingly used for di agnosistic purposes in neurology, psychiatry and psychopharma cology. The pioneers of this method believed in it and were commit ted to its success. However, many traditionalists felt that it gave no new information and so regarded the method with scepticism. Some found both the coloured maps and the mapping technique misleading, which led to unnecessary conflict between mappers and their chromophobic oponents. Emotions have run so high that some professional bodies have justifiably adopted guidelines and warned of the misuse of the method.
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and P300 Mapping in Dementia
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alpha activity alpha rhythm alterations amplitude artifacts baseline Berger beta brain electrical activity brain mapping Buchsbaum calculated clinical common average reference components conventional EEG delta activity delta band dementia diagnosis Dierks dipole disease disk drug Duffy FH EEG activity EEG and EP EEG and evoked EEG and P300 EEG data EEG mapping EEG recording EEG topography elec electrode sites electrodes Electroencephal Clin Neurophysiol electroencephalographic EP mapping evaluation evoked potentials frequency bands frequency domain frequency maps frontal increase interpolation latency Lehmann mapping of EEG Mastoids Maurer measured method negative Neurol normal Nuwer occipital P300 topography parietal Parkinson's Disease patients pattern Petsche H procedures Psychiatr quantitative EEG Remond scalp schizophrenia somatosensory Somatosensory Evoked Potentials spatial domain spectral analysis spike statistical theta thiopentone tion Topographic brain mapping Topographic EEG topographic mapping Topographical display toposcopic trodes visual evoked visual evoked potentials Wilson's disease