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Research Article Open access CC BY 4.0

Comparison of Electroencephalography Power Spectral Density between Duramater and Brain Cortex

Ahmad Faried, Misuari Sabirin, Agung B. Sutiono, Muhammad Z. Arifin, Richard Mengko, Tati L. E. Rajab

Current Journal of Applied Science and Technology · pp. 1–6 · Published 28 Feb 2017

10.9734/BJAST/2017/30908

Abstract

The intracranial electroencephalo- graphy (EEG) or electrocorticography (ECoG) is an invasive type of EEG which its electrodes are placed on the brain surface. It might be increases the amplitude of a recorded brain signal compared with the common EEG due to an impedance reduction. This study tries to analyze the difference by comparing the Power Spectral Density (PSD) of brain signals between duramater and brain cortex. The result shows that there is a distinction between the two sites, where the EEG recorded from brain cortex has a higher PSD than from duramater.

Electroencephalograph (EEG) intra operative EEG fast fourier transform (FFT) power spectral

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