Determination of the 25th Frame with the Eeg Signals Stored in the Videos

Nowadays, the videos that appear in every part of our lives are a set of images resulting from the sequential addition of a series of image files. One second of the video is the result of the merging of 24 picture frames. The visual subliminal perceives 24 frames per second. It is difficult to see pictures hidden in the frames of videos and called the 25th frame effect. In this study, electroencephalogram (EEG) signals are analyzed and it is aimed to determine whether or not the 25th frame effect is perceived by the brain. In the study, 50 participants were shown 6 different videos. Participants watched videos containing a pure and 25th frame effect and recorded EEG signals. Statistical feature extraction algorithms were applied to EEG signals. In this study, k-nearest neighbor (knn) classifier and Naive Bayes(NB) classifier, are used Training was performed by applying the k-fold cross validation method. The knn classifiers achievement performance is as follows; accuracy %96.60, recall %98.00, F1 score %96.50 precision %95.29. The NB classifiers achievement performance is as follows; accuracy %92.00, recall %92.00, F1 score %92.20 precision %92.00. It is aimed to develop the study by using different classification methods and signal processing methods

Hyperelastic curves along immersions

Hyperelastic curves in a Riemannian manifold are solutions of a constrained vari-ational problem and characterized by Euler-Lagrange equations. We study the effect of hyper-elastic curves on the geometry of isometric immersions. We investigate the relation between hyperelastic curves and umbilical submanifolds and apply the results to analyze classical elastic curves. The case of a Riemannian manifold with constant sectional curvature is also discussed and some applications are presented for illustrating the results

Correlation between depression and eating attitudes and behaviors among those who performed regular physical activitiesDüzenli fiziksel aktivite yapan bireylerde depresyon ve yeme tutum ve davranışları ilişkisi

The current study aimed at identifying correlational status between depression level and eating attitudes and behaviors among those who performed regular physical activities. The study designed in descriptive model was done with relational screening model. The sample of the study was composed of 294 individuals who performed regular physical activities at least three days a week in Afyonkarahisar Province. The data of the study were collected using a questionnaire consisted of Personal Information Form, Eating Attitudes Scale and Beck Depression Inventory. The data were processed with SPSS.  The distribution of the data was assessed using Kolmogorov-Smirnov test. As a result of test; it was seen that the data did not follow a normal distribution and thus were analyzed with non-parametric tests. For the data analyses; descriptive statistics, Mann Whitney U-Test, Kruskal Wallis H- Test and Spearman Correlation coefficients were employed.According to the findings, it was found that those who performed physical activities regularly had no depression and had normal eating behavior in the 72.45%' s of the individuals and abnormal eating behavior  detected in the 27.55% of the individuals. Besides; it was found that there was statistically significant difference in eating attitudes and behaviors in terms of sex variable but there was not statistically significant difference in depression level in terms of sex variable. As for sports history; there was no statistically significant difference in eating attitudes and behaviors while there was statistically significant difference in depression levels.As a result; it was detected that there was a positive relationship between depression levels with eating behavior and attitudes in the individuals who performed regular physical activity. ÖzetBu çalışmanın amacı düzenli fiziksel aktivite yapan bireylerin yeme tutum davranışları ile depresyon düzeyleri arasındaki ilişkiyi incelemektir. Bu çalışma betimsel araştırma türü olup, ilişkisel tarama yöntemi ile yapıldı. Örneklem grubunu Afyonkarahisar ilinde haftada en az 3 gün düzenli fiziksel aktivite yapan 294 birey oluşturdu. Araştırma verileri; kişisel bilgiler, Beck Depresyon Envanteri (BDE) ve Yeme Davranışları Testinden (EAT-26) oluşan anket formu ile elde edildi. Veriler SPSS paket programında değerlendirildi. Verilerin analizinde öncelikle tanımlayıcı istatistikler yapıldı. Verilerin Dağılımı Kolmogorov-Smirnov testi ile değerlendirildi. Test sonucunda verilerin normal dağılım göstermediği saptanmış olup, verilerin analizinde parametrik olmayan testlerden, Mann Whitney U-Testi ve Spearman korelasyon katsayısı kullanıldı.Araştırma sonucunda düzenli Fiziksel Aktivite (FA) yapan bireylerin %72,45’inde “normal yeme davranışı, %27,55’inde ise “anormal yeme davranışı” olduğu saptanmıştır. Bireylerin % 79,93’ünde depresyon olmadığı belirlenmiştir. Cinsiyet’e göre bireylerin yeme davranışlarında farklılık olduğu (p<0,01), ancak depresyon durumlarında istatistiksel olarak anlamlı farklılık olmadığı tespit edilmiştir. Ayrıca spor geçmişlerine göre bireylerin yeme davranışlarında bir farklılık olmadığı, depresyon düzeylerinde ise istatistiksel olarak anlamlı farklılık olduğu belirlenmiştir (p<0,05).Sonuç olarak; düzenli FA yapan bireylerin depresyon düzeyleri ile yeme davranışları arasında pozitif bir ilişki olduğu belirlendi

Archaeogenetic analysis of Neolithic sheep from Anatolia suggests a complex demographic history since domestication

Yurtman, ozer, Yuncu et al. provide an ancient DNA data set to demonstrate the impact of human activity on the demographic history of domestic sheep. The authors demonstrate that there may have been multiple domestication events with notable changes to the gene pool of European and Anatolian sheep since the Neolithic. Sheep were among the first domesticated animals, but their demographic history is little understood. Here we analyzed nuclear polymorphism and mitochondrial data (mtDNA) from ancient central and west Anatolian sheep dating from Epipaleolithic to late Neolithic, comparatively with modern-day breeds and central Asian Neolithic/Bronze Age sheep (OBI). Analyzing ancient nuclear data, we found that Anatolian Neolithic sheep (ANS) are genetically closest to present-day European breeds relative to Asian breeds, a conclusion supported by mtDNA haplogroup frequencies. In contrast, OBI showed higher genetic affinity to present-day Asian breeds. These results suggest that the east-west genetic structure observed in present-day breeds had already emerged by 6000 BCE, hinting at multiple sheep domestication episodes or early wild introgression in southwest Asia. Furthermore, we found that ANS are genetically distinct from all modern breeds. Our results suggest that European and Anatolian domestic sheep gene pools have been strongly remolded since the Neolithic