Musicality of Human Brain through Fractal Analytics by Dipak Ghosh Ranjan Sengupta Shankha Sanyal & Archi Banerjee

Author:Dipak Ghosh, Ranjan Sengupta, Shankha Sanyal & Archi Banerjee
Language: eng
Format: epub
Publisher: Springer Singapore, Singapore

2.One very interesting and new finding which deserves mentioning is that, the input of drone always enhances the theta as well as alpha complexity for all the frontal electrodes. The MFDFA method reveals the presence of multifractal scaling in case of both alpha and theta waves. This information is entirely new and has not hitherto been reported in literature. Previous studies dealt with linear techniques like Fast Fourier Transform (FFT) to extract the alpha and theta power from various frontal electrodes, and related rise and fall of alpha and theta spectral power as a measure of elicitation of emotion. The linear techniques have a major drawback that they miss out on finer intricate details of the signal which sophisticated non-linear techniques like MFDFA can. In this case, multifractal spectral width corresponding to alpha and theta frequency domain for all the electrodes reported an increase from a very small value to a large value.

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