Technique for Analysis of EEG Activity applied to Young and Elderly - Couverture souple

Goodman, Craig

 
9786202059916: Technique for Analysis of EEG Activity applied to Young and Elderly

Présentation de l'éditeur

The analysis of scalp-recorded brain activity, both EEG and in response to ‎sensory stimuli, has proven to be problematic for researchers in terms of ‎the identification and analysis of components in response to sensory stimulus. This is ‎due to the relatively high level of background EEG activity, providing a low signal-to-‎noise ratio, and high variability of the single response trials in terms ‎of their latencies and amplitudes. The most common approach to the study of EEG activity in response to repeated ‎stimuli is to use averaged evoked potentials (EPs). This method contributes ‎to the loss valuable information and is likely contain important information about brain function, and should not be ‎ignored for different groups or pathologies. ‎A new technique is based on frequency analysis of the EEG and EP. However, ‎this too can be problematic in regards to cortical brain activity at specific times, since ‎the time-integrative aspect of this form of analysis does not address trial-to-trial ‎variations, much like the technique used for conventional averaging. In order to overcome the problems, new techniques have been developed in this laboratory.‎

Biographie de l'auteur

I completed in 2002 a Ph.D. in Neurobiology from the Hadassah Medical School at the Hebrew University of Jerusalem and a four-year Post-Doctoral Fellowship at the Faculty of Medicine at Technion University, Haifa, Israel conducting neuroscience research in the areas of mental health and aging. I am a Clinical Psychologist and brain researcher.

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