| The Reconstruction Of Phase Space Of Physiological Systems
The important progress has been done on the dynamical properties of disorder systems. The much attention has been particularly devoted to understand autonomous physiological systems by studying the properties of the signal attractors in reconstructed phase space. Recently the chaotic behaviours of the time evolution of Pneumocardiografic records of the rats have been investigated.
In this thesis, we have studied nonlinear dynamical properties of sensitively recorded visual evoked potential (VEP) signals via Electroencephalography (EEG) method. We have calculated embedding parameters of the VEP signals and we have found the attractors of the VEP signals. Than we investigated the nonlinear behaviours of the VEP signals attractors in the reconstruction phase space by using the autocorrelation function and the false nearest neighbor method. On the other hand the fractal dimensions of these attractors have been also calculated by correlation function. The chaotic properties of visual center have been discussed from the fractal dimensions of these attractors point of view visual centers.
In conclusion these results have been evaluated and compared with properties of attractors of different autonomous physiological systems.
ER Alev ,
Danışman :Prof.Dr.Gönül BAŞAR
Anabilim Dalı :Fizik
Programı(Varsa) :Atom ve Molekül Fiziği
Yılı :2006
Tez Savunma Jürisi : Prof.Dr.Gönül BAŞAR (Danışman) Prof.Dr.Sevim AKYÜZ
Prof.Dr.Galip TEPEHAN
Prof.Dr.Çetin ARIKAN
Y.Doç.Dr.Elif AKALIN
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