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Browsing Ph.D. Theses by Author

Browsing Ph.D. Theses by Author "Akın, Ata."

Now showing items 1-7 of 7

A neurovascular coupling model based on nitric oxide and carbon dioxide and its validation with two-photon microscopy imaging

Yücel, Meryem Ayşe. (Thesis (Ph.D.)-Bogazici University. Institute of Biomedical Engineering, 2010., 2010.)

Understanding neurovascular coupling is of paramount importance since while a normal coupling is vital for a healthy functioning brain, the impairment in coupling is the underlying factor of many neurodegenerative diseases. ...
Accuracy improvements of NIRS and investigation of muscle oxidative metabolism

Şayli, Ömer. (Thesis (Ph.D.)-Bogazici University. Institute of Biomedical Engineering, 2009., 2009.)

In the rst part of the thesis, the e ect of fat layer on continuous wave near infrared spectroscopy (cw-NIRS) measurements were investigated in detail, both in terms of underestimation error (caused by homogeneous medium ...
Depth assessment of an absorber in a semi-infinite medium by continuous wave diffuse reflectance

Aksel, Ertuğrul Burteçin. (Thesis (Ph.D.)-Bogazici University. Institute of Biomedical Engineering, 2018., 2018.)

A method to locate an absorber embedded in a semi-in nite turbid medium by spatially-resolved continuous-wave di use re ectance measurements is introduced. The possible of use the method as a priori information in di use ...
Multimodal investigation of fMRI and fNIRS derived breath hold BOLD signals with an expanded balloon model

Emir, Uzay Emrah. (Thesis (Ph.D.)-Bogazici University. Institute of Biomedical Engineering, 2008., 2008.)

Multimodal investigation of blood oxygenation level-dependent (BOLD) signal, using both functional near infrared spectroscopy (fNIRS) and functional magnetic resonance imaging (fMRI), may give further insight to the ...
Nonlinear state and parameter estimation of the hemodynamic model using fMRI bold signal

Aslan, Serdar. (Thesis (Ph.D.)-Bogazici University. Institute of Biomedical Engineering, 2015., 2015.)

The joint estimation of the parameters and the states of the hemodynamic model from the blood oxygen level dependent (BOLD) signal is a challenging problem. In the functional magnetic resonance imaging (fMRI) literature, ...
SOD1 A4V mutation increases Nav1.3 channel excitability on xenopus laevis oocyte

Kubat, Elif. (Thesis (Ph.D.)-Bogazici University. Institute of Biomedical Engineering, 2016., 2016.)

Amyotrophic lateral sclerosis (ALS) is a lethal, paralytic disease caused by degeneration of motor neurons in the spinal cord, brain stem and motor cortex. Mutations in the gene encoding copper/zinc superoxide dismutase ...
Statistical analysis of cognitive signals measured by fNIRS

Çifçi, Rifat Koray. (Thesis (Ph.D.)-Bogazici University. Institute of Biomedical Engineering, 2008., 2008.)

Further standardization in signal processing tools is needed in the area of functional near infrared spectroscopy (fNIRS) before it is recognized as a reliable neuroimaging modality. This thesis study attempts to present ...

Browsing Ph.D. Theses by Author "Akın, Ata."

Browsing Ph.D. Theses by Author "Akın, Ata."

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