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Search Results: 1 - 10 of 318 matches for " Reiss Alisha "
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Oblique Corpectomy to Manage Cervical Myeloradiculopathy
Chibbaro Salvatore,Makiese Orphee,Bresson Damien,Reiss Alisha,Poczos Pavel,George Bernard
Neurology Research International , 2011, DOI: 10.1155/2011/734232
Abstract: Background. The authors describe a lateral approach to the cervical spine for the management of spondylotic myeloradiculopathy. The rationale for this approach and surgical technique are discussed, as well as the advantages, disadvantages, complications, and pitfalls based on the author's experience over the last two decades. Methods. Spondylotic myelo-radiculopathy may be treated via a lateral approach to the cervical spine when there is predominant anterior compression associated with either spine straightening or kyphosis, but without vertebral instability. Results. By using a lateral approach, the lateral aspect of the cervical spine and the vertebral artery are easily reached and visualized. Furthermore, the lateral part of the affected intervertebral disc(s), uncovertebral joint(s), vertebral body(ies), and posterior longitudinal ligament can be removed as needed to decompress nerve root(s) and/or the spinal cord. Conclusion. Multilevel cervical oblique corpectomy and/or lateral foraminotomy allow wide decompression of nervous structures, while maintaining optimal stability and physiological motion of the cervical spine. 1. Introduction Cervical spondylotic myelopathy (CSM) and cervical spondylotic radiculopathy (CSR) are classically approached by anterior single or multiple disc space decompression [1, 2], multilevel corpectomy [3], laminectomy [4–10], or laminoplasty [11–18]. More recently, techniques using lateral multiple oblique corpectomy (MOC) and/or foraminotomy [19–28] have been used with increasing frequency. In general, when three or more levels are affected, the preferred techniques remain either an anterior multilevel corpectomy or a posterior route such as laminectomy, open door laminoplasty, and posterior foraminotomy. However, the best management of such pathology (especially if 3 or more levels are involved) remains controversial. The authors consider the cervical spine lateral approach a valid and safe option to treat such pathologies as it provides very good clinical results and maintains long-term spinal stability. The goal of this paper is to further and critically present the idea and rationale of the cervical spine lateral approach with its advantages, disadvantages, complications, and pitfalls in a critical review of their last 2 decades experience. 2. Technique Indication Predominant anterior compression associated with either straightening or kyphosis of the cervical spine in the absence of instability is the general indication for the proposed technique. In cases of both anterior and posterior compression, the posterior
Blended Change Management: Concept and Empirical Investigation of Blending Patterns  [PDF]
Michael REISS
iBusiness (IB) , 2009, DOI: 10.4236/ib.2009.12008
Abstract: In coping with the challenges of revolutionary or evolutionary change processes, change managers do not rely on single tools but on toolboxes containing several domains of tools. The impact of toolboxes on change performance depends both on the complementary inter-domain mix and the intra-domain blending of tools. The patterns of blending are investigated both conceptually and empirically with respect to scope, diversity and coupling of tools. Survey results indicate that blending practices are predominantly determined by rational tool evaluation and by task context.
The Effects of Age on Short-Term Memory Loss due to Proactive Interference
Alisha Berkauzer
Undergraduate Journal of Mathematical Modeling : One + Two , 2011, DOI: 10.5038/2326-3652.4.1.2
Abstract: This project focused on how proactive interference affects the short-term memory of people based on their age. The goal was to find the prime age for learning information and storing it in one's memory. Seven people from ages fifteen to forty were tested individually, using a set color pattern, in order to see how well each individual could remember the different color patterns as difficulty of the pattern increased. The obtained data was fitted by the polynomial regression. The “fitted” curve shows that as age increases, the individual's performance in memorizing the more difficult patterns decreases. Also, the peaked level of memory performance was found to be 24 for our experimental data.
F-theory and M-theory perspectives on N=2 supersymmetric gauge theories in four dimensions
Alisha Wissanji
Physics , 2012,
Abstract: Deformations of the original F-theory background are proposed. These lead to multiple new dualities and physical phenomena. We concentrate on one model where we let seven-branes wrap a multi-centered Taub-NUT space instead of R4. This configuration provides a successful F-theory embedding of a class of recently proposed four-dimensional N = 2 superconformal (SCFT) \`a la Gaiotto. Aspects of Argyres- Seiberg duality, of the new Gaiotto duality, as well as of the branes network of Benini- Benvenuti and Tachikawa are captured by our construction. The supergravity theory for the conformal case is also briefly discussed. Extending our construction to the non-conformal case, we find interesting cascading behavior in four-dimensional gauge theories with N = 2 supersymmetry. Since the analysis of this unexpected phenomenon is quite difficult in the language of type IIB/F-theory, we turn to the type IIA/M-theory description where the origin of the N = 2 cascade is clarified. Using the T-dual type IIA brane language, we first start by studying the N = 1 supersymmetric cascading gauge theory found in type IIB string theory on p regular and M fractional D3-branes at the tip of the conifold. We reproduce the supersymmetric vacuum structure of this theory. We also show that the IIA analog of the non-supersymmetric state found by Kachru, Pearson and Verlinde in the IIB description is metastable in string theory, but the barrier for tunneling to the supersymmetric vacuum goes to infinity in the field theory limit. We then use the techniques we have developed to analyze the N = 2 supersymmetric gauge theory corresponding to regular and fractional D3-branes on a near-singular K3, and clarify the origin of the cascade in this theory.
Short Report: Identifying Sources of Subsurface Flow—A Theoretical Framework Assessing Hydrological Implications of Lithological Discontinuities  [PDF]
Martin Reiss, Peter Chifflard
Open Journal of Modern Hydrology (OJMH) , 2014, DOI: 10.4236/ojmh.2014.43008
An integrative theoretical concept—combining scientific approaches from soil science and slope hydrology—is given as a framework to study the influence of depth functions of geochemical concentrations for trace elements, dissolved organic carbon and stable isotopes in the soil pore water of stratified soils on the chemical composition of the hillslope runoff. Combining investigations at the point and hillslope scale opens the opportunity to identify sources of subsurface runoff components using geochemical depth functions as proxies.
Golden Research Thoughts , 2012, DOI: 10.9780/22315063
Abstract: International and national conventions, legislations and frameworks have endorsed the need for educating all children under one roof. The Article 3 of the Salamanca Framework for Action (1994) documented that schools should accommodate all children regardless of their physical intellectual, emotional, social, linguistic or other conditions. In order to attract and retain all children including children with hearing impairment (CWHI), Indian education system should respond flexibly. The flagship programmes of Sarva Shiksha Abhiyan (SSA) and Rashtriya Madyamik Shiksha Abhiyan (RMSA) launched by the Ministry of HRD promote inclusive education of all including CWHI in mainstream schools. In order to achieve the goals of SSA and RMSA, the barriers in inclusive education of CWHI need to be identified and fixed. The present paper lists the ways and means of creating a barrier free environment for children with hearing impairment in secondary schools.
Visitor profiling for, and promotion of the biological and earth sciences museums, Macquarie University
Alisha Halliwell,Andrew Simpson
University Museums and Collections Journal , 2010,
Abstract: In 2007 Macquarie University undertook a significant restructure. It was anticipated that this would impact on the viability of the programs and resources of campus museums. The changes to university management practices involved possible cessation of centralized funding contributions to museum management. The biological and earth sciences museums, along with the other museums on campus, felt compelled to demonstrate a capacity for independent operation in case justifying their financial position became a key criteria for survival. A research project was designed and undertaken to identify and highlight the services of the biological and earth sciences museums at Macquarie University in order to increase their audience base. The results of this research have lead to the identification of distinct potential audiences and the formation of new promotional strategies within the Faculty of Science.
On the Importance of Relative Salience: Comparing Overt Selection Behavior of Single versus Simultaneously Presented Stimuli
Alisha Siebold, Mieke Donk
PLOS ONE , 2014, DOI: 10.1371/journal.pone.0099707
Abstract: The goal of the current study was to investigate time-dependent effects of the number of targets presented and its interaction with stimulus salience on oculomotor selection performance. To this end, observers were asked to make a speeded eye movement to a target orientation singleton embedded in a homogeneous background of vertically oriented lines. In Experiment 1, either one or two physically identical targets were presented, whereas in Experiment 2 an additional orientation-based salience manipulation was performed. The results showed that the probability of a singleton being available for selection is reduced in the presence of an identical singleton (Experiment 1) and that this effect is modulated by the salience of the other singleton (Experiment 2). While the absolute orientation contrast of a target relative to the background contributed to the probability that it is available for selection, the crucial factor affecting selection was the relative salience between singletons. These findings are incompatible with a processing speed account, which highlights the importance of visibility and claims that a certain singleton identity has a unique speed with which it can be processed. In contrast, the finding that the number of targets presented affected a target's availability suggests an important role of the broader display context in determining oculomotor selection performance.
Charles Reiss
International Journal of English Studies (IJES) , 2001, DOI: 10.6018/ijes.1.1.47731
Abstract: In this paper 1 suggest that L2 research could provide answers to questions concerning the structure of L1 grammars that cannot, as a matter of logic, be answered by only examining L1 data and intuitions. In other words, L2 data from an individual P can provide 'external' evidence bearing on the structure of P's L1 grammar, Ll,. This type of evidence will be particularly welcome where competing theories of Ll, are extensionally equivalent where they generate the sarne output representations. 1 am proposing, therefore, that L2 research need not restrict itself to maintaining consistency with work in theoretical linguistic modeling. Instead L2 research can itself make unique contributions to the general theory of grammar. In addition to potentially leading to fruitful results, the issues that provide the background to the discussion warrant examination on other grounds, since they help clarifj the goals of linguistic research and the compatibility of various frameworks of linguistic theory with their own stated goals.
HIV, co-morbidity and ageing
Reiss P
Journal of the International AIDS Society , 2012, DOI: 10.7448/ias.15.6.18073
Abstract: As treatment for HIV infection needs to be used continuously and lifelong, issues concerning long-term outcomes, including those involving tolerability and safety of treatment, are gaining increasing importance. Although current combination antiretroviral therapy (cART) regimens are generally better tolerated than those in the early days of cART, treatment toxicity remains an important cause for discontinuation of (components) of treatment. Moreover, several of the potential toxicities of cART (including cardiovascular, metabolic, renal and bone toxicity) overlap with known ageing-associated co-morbidities. Given that our patient population with HIV is increasingly getting older as a result of the success of cART in reducing traditional HIV-associated morbidity and mortality, these co-morbidities are increasingly being seen and importantly influence patient management. Moreover, persons with HIV, in spite of having suppressed viraemia on cART seem to be at increased risk of the premature development of age-associated non-communicable co-morbidities, including cardiovascular, chronic kidney, liver and pulmonary disease, diabetes mellitus, osteoporosis, non-AIDS associated malignancies, and neurocognitive impairment. It has therefore been hypothesised that such individuals, despite effective cART, may be prone to accelerated ageing. The underlying pathogenesis is likely to be multifactorial and, apart from include sustained immune activation, both systemically and within the central nervous system. The presentation will review the current state of knowledge and investigation in this area.
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