Literature DB >> 8598172

A new method for quantifying EEG event-related desynchronization:amplitude envelope analysis.

P Clochon1, J Fontbonne, N Lebrun, P Etévenon.   

Abstract

Amplitude modulation (AM) analysis defines precisely the EEG signal envelope changes at sampling frequency. Here we demonstrate mathematically that event-related desynchronization (ERD) corresponds to the integration of AM-EEG. We applied this new approach to a group of 12 healthy human volunteers hearing repeated auditory stimuli and statistically compared the results from ERD to those from AM-EEG. The results indicate that AM-EEG characterized more precisely a specific evoked EEG cortical activation event and may be a powerful method for studying the time-course of functional dynamic brain EEG mapping with improved time resolution.

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Year:  1996        PMID： 8598172     DOI： 10.1016/0013-4694(95)00192-1

Source DB:  PubMed          Journal:  Electroencephalogr Clin Neurophysiol        ISSN： 0013-4694


  14 in total

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10.  Distinct gamma-band components reflect the short-term memory maintenance of different sound lateralization angles.

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