1,224 research outputs found
Modeling the water food-energy nexus in the arab world: River basin simulation model in Egypt
No full textPresentation by Eman Saye
Comparing genetic markers' efficiencies for discrimination between two commercially important holothuroids in the Mediterranean Sea, Holothuria polii and Holothuria sanctori
No full textMohammed-Geba, Khaled, Abbas, Eman M., Ahmed, Hamdy O., Shalabi, Mohammed A., Hamed, El Sayed A. E., Abdel Razek, Fatma A., Soliman, Taha (2022): Comparing genetic markers' efficiencies for discrimination between two commercially important holothuroids in the Mediterranean Sea, Holothuria polii and Holothuria sanctori. Zootaxa 5092 (5): 559-575, DOI: https://doi.org/10.11646/zootaxa.5092.5.
On the Impact of the Dominant Intelligences of Players on Learning Outcome and Game Experience in Educational Games: The TrueBiters Case
No full textSajjadi P, El Sayed E, De Troyer O. On the Impact of the Dominant Intelligences of Players on Learning Outcome and Game Experience in Educational Games: The TrueBiters Case. In: International Conference on Games and Learning Alliance. 2016: 221--231
DENATURALIZING CULTURE: SAYED KASHUA'S NEWSPAPER COLUMNS ON THE TOPIC OF PREJUDICE
No full textAbstract Discrimination is a recurrent topic in the work of the Israeli-Arab writer Sayed Kashua. In the last couple of years, Sayed Kashua has moved away from writing about the prejudice expressed by his own Israeli Muslim community towards the Israeli Jewish population to focus his attention instead on the prejudice shown by Jews against Arabs in Israel. Self-criticism has always been a hallmark of Sayed Kashua's work so this shift indicates a significant change in the columnist's perception of his own society. Based on a survey of various issues relating to Israeli society, such as the law, the educational system and language, as well as a theoretical review of authors who observe a mutual alienation of Arabs and Jews in Israel, this article analyses several of Sayed Kashua's recent columns in the Israeli newspaper Haaretz. It also investigates how the author understands prejudice and, in a singular and surprising way, expresses his concerns and solutions to this problem
Brain maturation, cognitive tasks, and quantitative electroencephalography : a study in children with attention deficit hyperactive disorder
No full textAttention Deficit Hyperactivity Disorder (ADHD) is one of the most common psychiatric disorders of childhood. Despite a long history, widespread clinical acceptance, and extensive research, the diagnosis and treatment are still controversial. The aim of the thesis was to study the hypothesis that some children with ADHD may show these symptoms due to a slow speed of mental maturation with the possibility of a catch-up.In Study I, the association between ADHD and global maturity was tested using a twin design (incl. 1106 pairs of the 1480 pairs of twins born in Sweden Apr. 1985 - Dec. 1986). The results showed different pathways through which genetic effects may influence the behavior pattern in children with ADHD. Among boys, there are at least two different genetic pathways to explain ADHD, one through predisposition for maturational lag and one specific to ADHD. A different pathway may explain ADHD in girls.In Study II, the relationship between behavior, ADM symptoms and maturity was studied among 1079 pairs of twins from study I using a questionnaire (a global maturity parent's scale) given to the parents. Relationships were found between the maturity factor and the CBCL grouping of syndromes (internalizing, externalizing, total behavior problems score) as well as between the maturity factor and ADHD. From the parents' point of view the behavior problems in their children may be related to maturity.In Study III, a computerized tool, the Gordon Diagnostic System (GDS) was used to test concentration and impulse control comparing 71 children with ADHD (61 boys, 10 girls; mean age 10.5 y) and 98 controls (65 boys, 23 girls; mean age 10.2 y). Differences were found between ADHD children and age-matched control children in each age group. The GDS scores were highly correlated with age with better a performance among the older children, which could support the relevance of the maturational lag hypothesis.In Study IV a possible immature brain processing during concentration was studied comparing 36 children with ADHD (31 boys, 5 girls; mean age 10.5 y) and 63 controls (46 boys, 17 girls; mean age 10.0 y). QEEG techniques were used when the children performed the Vigilance Task of GDS. Compared to controls children with ADHD displayed specific differences in the pattern of frontal, temporal, and parietal brain activation. They had an enhanced slow cortical activity and decreased fast activity similar to younger children. These findings indicate a different arousal level in children with ADHD, which could be due to a delay in functional cortical maturation.In Study V, impulsivity, brain processing and possible immaturity were studied. The same children with ADHD and controls as in study IV performed the Delay Task of GDS during registration of QEEG. In similarity to the results of study IV children with ADHD displayed different electrophysiological reactions, which may indicate that they, like younger children, have problems in cerebral processing when performing a mentally demanding task during a restricted time.In Study VI, the "maturational lag" concept explaining ADHD was discussed over viewing previous and current literature on ADHD. The overview indicates that the DSM criteria of ADHD may be over- inclusive and shows that maturity and developmental aspects are important factors to be included in studies of ADHD. A slow speed in mental development may be of importance for the treatment and prognosis of ADHD.Conclusion. The over all results support the view, that some children with ADHD could represent a continuum of normal childhood behavior with maturational trajectories that are lagging behind and may catch up.List of scientific papersI. Steffensson B, Larsson JO, Fried I, El-Sayed E, Rydelius PA, Lichtenstein P (1999). Genetic disposition for global maturity: an explanation for genetic effects on parental report on ADHD. Inter J Behav Develop. 23(2): 357-74.II. Larsson JO, Lichtenstein P, Fried I, El-Sayed E, Rydelius PA (2000). Parents perception of mental development and behavioural problems in 8 to 9-year-old children. Acta Paediatr. 89(12): 1469-73. https://pubmed.ncbi.nlm.nih.gov/11195238III. El-Sayed E, vant Hooft I, Fried I, Larsson JO, Malmberg K, Rydelius PA (1999). Measurements of attention deficits and impulsivity: a Swedish study of the Gordon Diagnostic System. Acta Paediatr. 88(11): 1262-8. https://pubmed.ncbi.nlm.nih.gov/10591431IV. El-Sayed E, Larsson JO, Persson HE, Rydelius PA (2002). Altered cortical activity in children with attention-deficit/hyperactivity disorder during attentional load task. J Am Acad Child Adolesc Psychiatry. 41(7): 811-9. https://pubmed.ncbi.nlm.nih.gov/12108806V. El-Sayed E, Larsson JO, Persson HE, Berg E, Rydelius PA (2002). Specific QEEG patterns during delay task in children with attention deficit/hyperactivity disorder. [Submitted]VI. El-Sayed E, Larsson JO, Persson HE, Santosh PJ, Rydelius PA (2002). "Maturational Lag" hypothesis of ADHD: An update. Acta Paediatr. [Accepted]</p
Intrathecal Drug Delivery Systems Survey: Trends in Utilization in Pain Practice [Corrigendum]
No full textAbd-Sayed A, Fiala K, Weisbein J, et al. J Pain Res. 2022;15:1305–1314.
The authors have advised there is an error in the author list on page 1305. The author name “Alaa Abd-Sayed” should read “Alaa Abd-Elsayed”.
The authors apologize for this error
Experiencing the armed struggle : the Soweto generation and after
No full textIncludes bibliographical references (p. 354-369).This study explores the experiences of the rank-and-file soldiers of Umkhonto we Sizwe and the Azanian People's Liberation Anny. Extensive interviews by the author and other researchers reveal the voices of the soldiers themselves. The African National Congress and Pan African Congress archives at the University of the Western Cape and the University of Fort Hare supplement and verify these oral testimonies, as do some published sources. Most previously published materials about the armed struggle against apartheid have already focused on diplomacy, strategy and tactics, operations, leadership, and human rights abuses to the neglect of the soldiers' actual experiences. This study complements these with significant new oral history materials from the Soweto generation of soldiers and their successors. When dealing with MK, many authors have documented issues of the camp structure in Angola, and operations inside South Africa, so much of this detail is only addressed briefly, leaving space to explore the soldiers' experiences. In the case of APLA, very little has been written on its history, and more detail is provided on these subjects. This study therefore deals with the soldiers' politicisation and motivation for joining the armed struggle, their experiences in leaving South Africa and training in exile, the crises in exile which limited their effectiveness for a time, their return to fight in South Africa, and their difficulties in the "new" South Africa. These materials reveal that vast problems remain facing these veterans of the struggle against apartheid, and that they have the potential, if properly supported and employed, to contribute substantially to the development of present day South Africa. Conversely, if their neglect continues, they also have the potential to bring vast harm to the country. Further use of the investigative tools of oral history, especially if extended to the former soldiers' vernacular languages, is necessary to augment the history of South Africa, and these soldiers' contributions
Tão dúbio, tão coerente: forma e conteúdo nas crônicas jornalísticas de Sayed Kashua
No full textEste artigo consiste na análise de duas crônicas jornalísticas do escritor árabe-israelense Sayed Kashua publicadas no jornal israelense Haaretz. Estes textos são selecionados devido à sua riqueza de conteúdo e pelo uso de estratégias retóricas, tais como a autoironia e o sarcasmo, para expor os conflitos pelos quais passa o “eu do cronista” retratado pelo autor. Este estudo tem como base os Estudos Culturais e os Novos Paradigmas Literários, ferramentas que permitem o estudo das crônicas jornalísticas como textos literários. Nestas crônicas, de uma maneira despretensiosa, partindo de experiências subjetivas e de temas familiares, com autoironia e tom satírico, Kashua reporta as experiências de um árabe israelense que vive num embate em torno de suas duplas lealdades e ideologias conflitantes, refletindo uma negociação entre sua etnicidade e sua nacionalidade. A crônica, neste contexto, é considerada o local apropriado para a escrita de Kashua: a ambiguidade do gênero é similar à necessidade de quebras de dualidades na sociedade israelense para entendermos e convivermos com o “eu do cronista” de Sayed Kashua. So dubious, so coherent: form and content in Sayed Kashua´s journalistic chronicles - Abstract: This paper consists of the literary analysis oftwo journalistic chronicles written in Hebrew by the Muslim Arab Israeli author Sayed Kashua published in the Israeli newspaper Haaretz. These texts are selected due to their richness of content and use of rhetorical strategies such as self-irony and sarcasm to expose the conflicts through which the “I of the chronicler” portrayed by the author goesthrough. This analysis will rely on theoretical assumptions of Cultural Studies and the “New literary paradigms”, tools that will enable us to study the journalistic chronicle as a literary text. In these chronicles, in a non-pretentious way, coming from the subjective experiences and family topics, with self-irony and in a satirical way, Kashua reports the experiences of an Israeli Arab who lives in a clash over his dual loyalty and conflicting ideologies, reflecting a negotiation between his ethnicity and his nationality. The chronicle, in this context, is considered the appropriate location for Kashua’s writings: the ambiguity of the literary genre is similar to the necessity of breaking dualities in Israeli society to understand and to be acquainted with the “I of the chronicler” of Sayed Kashua
Distributed chance-constrained model predictive control for condition-based maintenance planning for railway infrastructures
No full textWe develop a Model Predictive Control (MPC) approach for condition-based maintenance planning under uncertainty for railway infrastructure systems composed of multiple components. Piecewise-affine models with uncertain parameters are used to capture both the nonlinearity and uncertainties in the deterioration process. To keep a balance between robustness and optimality, we formulate the MPC optimization problem as a chance-constrained problem, which ensures that the constraints, e.g., bounds on the degradation level, are satisfied with a given probabilistic guarantee. Two distributed algorithms, one based on Dantzig-Wolfe decomposition and the other derived from a constraint-tightening technique, are proposed to improve the scalability of the MPC approach. Computational experiments show that the distributed method based on Dantzig-Wolfe decomposition performs the best in terms of computational time and convergence to global optimality. By comparing the chance-constrained MPC approaches with deterministic approach, and traditional time-based maintenance approach, we show that despite their high computational requirements, chance-constrained MPC approaches are cost-efficient and robust in the presence of uncertainties.Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.Team Bart De SchutterRailway EngineeringDelft Center for Systems and Contro
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