WHAT CAN EVENT RELATED POTENTIALS CONTRIBUTE TO NEUROPSYCHOLOGY?
Journal Title: Acta Neuropsychologica - Year 2009, Vol 7, Issue 3
Abstract
[b]SUMMARY[/b]While psychometrics measures brain functions in terms of behavioral parameters, a recently emerged branch of neu ro science called neurometrics relies on measuring the electrophysiological parameters of brain functioning. There are two approaches in neurometrics. The first relies on the spectral characteristics of spontaneous electroen-cephalograms (EEG) and measures deviations from nor-mality in EEG recorded in the resting state. The second approach relies on event related potentials that measure the electrical responses of the brain to stimuli and actions in behavioral tasks. The present study reviews recent re -search on the application of event related potentials (ERPs) for the discrimination of different types of brain dys -function. Attention deficit-hyperactivity disorder (ADHD) is used as an example. It is shown that the diagnostic power of ERPs is enhanced by the recent emergence of new methods of analysis, such as Independent Component Analysis (ICA) and Low Resolution Electromagnetic To -mography (LORETA).
Authors and Affiliations
Juri D. Kropotov, Andreas Mueller
Keywords
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