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[Fizinfo] MTA Wigner FK RMI Elméleti Osztály Szemináriuma


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  • From: Balog Janos <balog.janos AT wigner.mta.hu>
  • To: fizinfo AT lists.kfki.hu, rmkiusers AT lists.kfki.hu
  • Subject: [Fizinfo] MTA Wigner FK RMI Elméleti Osztály Szemináriuma
  • Date: Wed, 10 Apr 2019 10:56:23 +0200
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MTA Wigner FK RMI Elméleti Osztály Szemináriuma
Tisztelettel meghívjuk


Sumiyoshi Abe
(Mie University, Japan)


"Brain Activity vs. Seismicity: Scaling and Memory"


címmel tartandó szemináriumára.


Kivonat:

The brain activity and seismicity share a remarkable similarity.
The Gutenberg-Richter law describing a power-law relation
between the frequency of earthquake occurrence and released
energy has its counterpart in the brain activity of a patient with
epilepsy, where the distribution of fluctuations of the voltage
difference measured by electroencephalogram (EEG) also obeys
a Gutenberg-Richter-like power law. However, the similarity in
the distributions does not directly tell us if the processes
underlying
these intermittent phenomena are memoryless (i.e., Markovian)
or not. Here, a new simple method is presented for quantitatively
evaluating (non)Markovianity and applied to seismicity and
the fluctuations of the voltage difference in EEG data. It is shown
that the seismic process is memoryless, whereas the process of
EEG signals has long-term memory.



Helye: MTA Wigner FK RMI III. ép. Tanácsterem
Ideje: 2019 április 15 hétfő de. 11:00



Szívesen látunk minden érdeklődőt.


Balog János



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