Interdisciplinary Program in Neuroscience (NEUROSCIENCE)

Recent Submissions

  • Short-and long-term forms of neural adaptation: An ERP investigation of dynamic motion aftereffects 

    Akyüz, Sibel; Pavan, A.; Kaya, Utku; Kafalıgönül, Hulusi (Elsevier, 2020-01)
    Adaptation is essential to interact with a dynamic and changing environment, and can be observed on different timescales. Previous studies on a motion paradigm called dynamic motion aftereffect (dMAE) showed that neural ...
  • The relationship between ruminating the catastrophic consequences of bodily changes and positive reappraisal and practical problem-solving strategies in individuals with illness anxiety disorder 

    Elhamiasl, M.; Dehghani, M.; Heidari, M.; Khatibi, Ali (Iran University of Medical Sciences, 2020-09)
    Introduction: Cognitive emotion regulation is suggested to contribute to Illness Anxiety Disorder (IAD). Reappraisal and suppression are essential ER strategies with controversial data about their roles in IAD. Relevant ...
  • Informed feature regularization in voxelwise modeling for naturalistic fMRI experiments 

    Yılmaz, Özgür; Çelik, Emin; Çukur, Tolga (Wiley, 2020-04-21)
    Voxelwise modeling is a powerful framework to predict single‐voxel functional selectivity for the stimulus features that exist in complex natural stimuli. Yet, because VM disregards potential correlations across stimulus ...
  • A parietal region processing numerosity of observed actions: An FMRI study 

    Sawamura, H.; Ürgen, Burcu A.; Corbo, D.; Orban, G. A. (Wiley, 2020-07-26)
    When observing others' behavior, it is important to perceive not only the identity of the observed actions (OAs), but also the number of times they were performed. Given the mounting evidence implicating posterior parietal ...
  • Vector modulator based active compensation of direct feedthrough 

    Taşdelen, Bilal; Yağız, Ecrin; Utkur, Mustafa; Çağıl, Ahmet R.; Top, C. B.; Atalar, Ergin; Sarıtaş, Emine Ülkü (Infinite Science Publishing, 2020)
    In magnetic particle imaging (MPI), simultaneous excitation and signal acquisition leads to direct feedthrough problems. While this direct-feedthrough can be mitigated up to some extent with passive compensation, this may ...
  • Temperature mapping via relaxation-based color MPI 

    Utkur, Mustafa; Sarıtaş, Emine Ülkü (Infinite Science Publishing, 2020)
    In magnetic particle imaging (MPI), the relaxation behavior of the nanoparticles has been exploited to expand quantitative mapping capabilities of MPI to applications such as viscosity mapping and temperature mapping. We ...
  • Rapid relaxation-based color MPI 

    Arslan, Musa Tunç; Kurt, Semih; Özaslan, Ali Alper; Muslu, Yavuz; Sarıtaş, Emine Ülkü (Infinite Science Publishing, 2020)
    Color magnetic particle imaging (MPI) techniques have recently gained popularity, with the purposes of distinguishing different nanoparticle types or nanoparticles in different environments. In this work, we extend a ...
  • Non-ideal selection field induced artifacts in X-Space MPI 

    Yağız, Ecrin; Çağıl, Ahmet R.; Sarıtaş, Emine Ülkü (Infinite Science Publishing, 2020)
    In magnetic particle imaging (MPI), the selection field deviates from its ideal linearity in regions away from the center of the scanner. This work demonstrates that unaccounted non-linearity of the selection field causes ...
  • Multi-dimensional harmonic dispersion X-space MPI 

    Kurt, Semih; Abdulla, Abdulla; Sarıtaş, Emine Ülkü (Infinite Science Publishing, 2020)
    In magnetic particle imaging (MPI), standard x-space reconstruction requires partial field-of-view (pFOV) processing steps: speed compensation of the received signal and gridding the non-equidistant field free point (FFP) ...
  • Magnetic particle fingerprinting using arbitrary waveform relaxometer 

    Yağız, Ecrin; Utkur, Mustafa; Top, C. B.; Sarıtaş, Emine Ülkü (Infinite Science Publishing, 2020)
    In magnetic particle imaging (MPI), the information about the local environment, such as its viscosity and temperature, can be inferred via the relaxation behavior of the nanoparticles. As the nanoparticle signal also ...
  • Design of a magnetostimulation head coil with rutherford cable winding 

    Özaslan, Ali Alper; Çağıl, Ahmet Rahmetullah; Graeser, M.; Knopp, T.; Sarıtaş, Emine Ülkü (Infinite Science Publishing, 2020)
    Magnetic Particle Imaging (MPI) uses sinusoidal drive fields to excite the magnetic nanoparticles. These time-varying magnetic fields form electric fields within the body, which in turn can cause peripheral nerve stimulation, ...
  • Design of a doubly tunable gradiometer coil 

    Çağıl, Ahmet Rahmetullah; Taşdelen, Bilal; Sarıtaş, Emine Ülkü (Infinite Science Publishing, 2020)
    In a magnetic particle imaging (MPI) scanner, utilizing a tunable gradiometer receive coil can aid in achieving greater degree of decoupling of direct feedthrough signal. However, such a coil can be hard to tune since a ...
  • Parameter robustness analysis for system function reconstruction 

    Arol, Abdullah Ömer; Özaslan, Ali Alper; Alpman, Aslı; Sarıtaş, Emine Ülkü (Infinite Science Publishing, 2020)
    The quality of images in system function reconstruction (SFR) depends on an extensive calibration scan that acquires the system matrix (SM). A change in parameters of the scanner, trajectory, or magnetic nanoparticle ...
  • Blind source separation for multi-color MPI 

    Kurt, Semih; Muslu, Yavuz; Sarıtaş, Emine Ülkü (International Journal on Magnetic Particle Imaging, 2020)
    In magnetic particle imaging (MPI), different magnetic nanoparticles (MNPs) in the same field-of-view can be distinguished via color-MPI techniques. Existing system-function-based techniques require extensive calibration ...
  • Reply to tzoulis et al.: genetic and clinical heterogeneity of essential tremor 

    Gülsuner, Hilal Ünal; Gülsuner, S.; Mercan, F.; Onat, Onur Emre; Walsh, T.; Shahin, H.; Lee, M.; Dogu, O.; Kansu, T.; Topaloglu, H.; Elibol, B.; Akbostanci, C.; King, M. -C.; Özçelik, Tayfun; Tekinay, Ayse B. (National Academy of Sciences, 2015)
    In addressing our recent report of HTRA2 p.G399S as the gene and mutation responsible for essential tremor and subsequent Parkinson disease in a large kindred (1), Tzoulis et al. (2) screened this mutation in patients with ...
  • SNR dependence of optimal parameters for apparent diffusion coefficient measurements 

    Sarıtaş, Emine Ülkü; Lee, J.; Nishimura, D. (IEEE, 2011)
    Optimizing the diffusion-weighted imaging (DWI) parameters (i.e., the b -value and the number of image averages) to the tissue of interest is essential for producing high-quality apparent diffusion coefficient (ADC) maps. ...
  • Reduced field-of-view diffusion imaging of the human spinal cord: comparison with conventional single-shot echo-planar imaging 

    Zaharchuk, G.; Sarıtaş, Emine Ülkü; Andre, J.; Chin, C.; Rosenberg, J.; Brosnan, T.; Shankaranarayan, A.; Nishimura, D.; Fischbein, N. (American Society of Neuroradiology, 2011)
    BACKGROUND AND PURPOSE: DWI of the spinal cord is challenging because of its small size and artifacts associated with the most commonly used clinical imaging method, SS-EPI. We evaluated the performance of rFOV spinal cord ...
  • X‐Space MPI: magnetic nanoparticles for safe medical imaging 

    Goodwill, P.; Sarıtaş, Emine Ülkü; Croft, L.; Kim, T.; Krishnan, K.; Schaffer, D.; Conolly, S. (Wiley, 2012)
    One quarter of all iodinated contrast X‐ray clinical imaging studies are now performed on Chronic Kidney Disease (CKD) patients. Unfortunately, the iodine contrast agent used in X‐ray is often toxic to CKD patients’ weak ...
  • Intrathecal Gadolinium-Enhanced MR Cisternography: A Comprehensive Review 

    Algın, Oktay; Turkbey, B. (American Society of Neuroradiology, 2013)
    CE-MRC has been in use for the past 15 years and was reported to be a useful method in the evaluation of CSF disorders and hydrocephalus. The use of CE-MRC in conjunction with other MR imaging techniques has been shown to ...
  • Evaluation of spontaneous third ventriculostomy by three-dimensional sampling perfection with application-optimized contrasts using different flip-angle evolutions (3D-SPACE) sequence by 3 T MR imaging: preliminary results with variant flip-angle mode 

    Algın, Oktay; Turkbey, B.; Ozmen, E.; Ocakoglu, G.; Karaoglanoglu, M.; Arslan, H. (Elsevier, 2013)
    Purpose This prospective study aimed to evaluate the use of three-dimensional sampling perfection with application-optimized contrasts using different flip-angle evolutions (3D-SPACE) in the diagnosis of spontaneous third ...

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