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Yayın Neuropsychiatric outcomes and caregiver distress in primary progressive aphasia(Wiley, 2023-01) Seçkin, Mustafa; Yıldırım, Elif; Demir, İlayda; Orhun, Ömer; Bülbül, Ezgi; Velioğlu, H. Aziz; Öget, Öktem; Yeşilot, Nilüfer; Çoban, Oğuzhan; Gürvit, HakanBackground: In this study, we aimed to outline the neuropsychiatric consequences of primary progressive aphasia (PPA) and to understand how neuropsychiatric symptomatology affects distress in caregivers. Methods: The Neuropsychiatric Inventory (NPI) including the distress index (NPI-Distress) was used. Additional information about the caregiver burden was obtained using Zarit Burden Interview (ZBI). NPI, NPI-Distress, and ZBI data from 17 patients with a clinical diagnosis of PPA were compared with 10 stroke aphasia patients. Neuropsychiatric symptomatology was investigated based on three clusters; Mood, Frontal/Comportmental, and Psychotic/Disruptive. Additionally, the Activities of Daily Living Questionnaire (ADLQ) was used to outline the functional impairment. Twelve healthy controls were included to compare the neurocognitive test scores with PPA and stroke aphasia groups. Results: A greater number of neuropsychiatric symptoms were observed in the PPA group compared to the stroke aphasia group. The number of symptoms in Mood, and Frontal/Comportmental clusters were greater than the number of symptoms in Psychotic/Disruptive clusters in the PPA group, whereas no significant relationship between the number of symptoms and symptom clusters was found in the stroke aphasia group. In the PPA group, a strong correlation was found between the NPI-Frequency × Severity scores and the NPI-Distress scores. Moreover, the NPI-Distress scores in the PPA group strongly correlated with the ZBI scores. Scores for anxiety, irritability/lability, and apathy had a stronger correlation with the NPI-Distress scores compared to the other NPI symptoms. The Communication subscale was the most impaired domain in the PPA group. Travel, and Employment and Recreation subscales showed greater functional impairment in the stroke aphasia group compared to the PPA group. Conclusions: Neuropsychiatric symptoms in PPA in our study were more frequent than previously reported. Furthermore, the distress index of the NPI was not only correlated with the severity of the neuropsychiatric symptoms but also reflected the overall burden on the caregivers in the PPA group.Yayın Polish-Russian relations: history, geography and geopolitics(East European Quarterly, 2008-03) Özbay, Fatih; Aras, Bülent[No abstract available]Yayın An approximate wave solution for perturbed KDV and dissipative NLS equations: weighted residual method(Işık University Press, 2019-06-21) Demiray, HilmiIn the present work, we modified the conventional "weighted residual method" to some nonlinear evolution equations and tried to obtain the approximate progressive wave solutions for these evolution equations. For the illustration of the method we studied the approximate progressive wave solutions for the perturbed KdV and the dissipative NLS equations. The results obtained here are in complete agreement with the solutions of inverse scattering method. The present solutions are even valid when the dissipative effects are considerably large. The results obtained are encouraging and the method can be used to study the cylindrical and spherical evolution equations.Yayın Europe, Turkey and the Middle East: Is harmonisation possible?(H.W. Wilson - Social Science Abstracts, 2006-09) Aras, Bülent; Bıçakcı, Ahmet SalihThe possibility of Turkey joining the European Union (EU) has generated much debate in both the EU and the Middle East--interest that Turkey has interpreted as a clear signal that it could be a powerful regional player. Indeed, Turkey's new ruling elite is sure that it can hold an active peacemaking role in the Middle East. Together, the EU and Turkey will be much stronger in the Middle East than either could be alone. Without the EU, Turkey would face the disadvantage of dealing with Middle East insecurity and instability by itself; the EU would miss the chance to embrace a democratic, Muslim country that already takes a pro-European stance in Middle East affairs. Therefore, harmonization of Turkish and EU policies is not only possible but, to a certain extent, necessary.Yayın EU Enlargement conditions and minority protection: A reflection on Turkey's non-Muslim minorities(East European Quarterly, 2006-12) Toktaş, ŞuleThe universal citizenship, dominance of the principle of equality in political culture, and limitation of official recognition only to non-Muslims as minority groups are key to Turkey's approach to the protection of minorities. One of the conditions for EU's membership is that the candidate country has to achieved stability of institutions guaranteeing democracy, rule of law, human rights, and respect for minorities. Here, Toktas outlines and analyzes how the EU develops a stance vis-a-vis Turkey's treatment towards its non-Muslim minorities.Yayın The expressions of spatial relations during interaction in American sign language, Croatian sign language, and Turkish sign language(Versita, 2012-11) Arik, EnginSigners use their body and the space in front of them iconically. Does iconicity lead to the same mapping strategies in construing space during interaction across sign languages? The present study addressed this question by conducting an experimental study on basic static and motion event descriptions during interaction (describer input and addressee re-signing/retelling) in American Sign Language, Croatian Sign Language, and Turkish Sign Language. I found that the three sign languages are similar in using classifier predicates of location, orientation, and movement, predominantly employing an egocentric (viewer) perspective but also a non-egocentric perspective, and using similar mapping strategies regardless of interlocutor positions. However, these three sign languages differ from each other in the effects of location and orientation of the objects in pictures and movies, the descriptions of picture (states) vs. movie (motion events), and describer input vs. addressee retellings in their mapping strategies. This study contributes to our knowledge of how the expressions of spatial relations are conveyed in natural human language.Yayın Laplacian eigenvectors of graphs: Perron-Frobenius and Faber-Krahn type theorems(Springer Verlag, 2007) Bıyıkoğlu, Türker; Leydold, Josef; Stadler, Peter F.Eigenvectors of graph Laplacians have not, to date, been the subject of expository articles and thus they may seem a surprising topic for a book. The authors propose two motivations for this new LNM volume: (1) There are fascinating subtle differences between the properties of solutions of Schrödinger equations on manifolds on the one hand, and their discrete analogs on graphs. (2) “Geometric” properties of (cost) functions defined on the vertex sets of graphs are of practical interest for heuristic optimization algorithms. The observation that the cost functions of quite a few of the well-studied combinatorial optimization problems are eigenvectors of associated graph Laplacians has prompted the investigation of such eigenvectors. The volume investigates the structure of eigenvectors and looks at the number of their sign graphs (“nodal domains”), Perron components, graphs with extremal properties with respect to eigenvectors. The Rayleigh quotient and rearrangement of graphs form the main methodology.Yayın Citizenship and migration from turkey to Israel: A comparative study on Turkish Jews in Israel(East European Quarterly, 2007-06) Toktaş, Şule[No abstract available]
