Les anciens combattants qui reviennent de mission sont fréquemment sujets à avoir des cauchemars récurrents, et ce, durant de nombreuses années. Au moyen d'une expérimentation auprès d'un ancien combattant souffrant de cauchemars récurrents et présentant un état de stress post-traumatique, la présente étude de cas vise à évaluer l'efficacité d'un traitement propre à ce type de cauchemar, soit la thérapie par révision et répétition d'imagerie. L'évaluation avant, pendant et suivant le traitement psychologique porte sur la fréquence, l'intensité et le contenu des cauchemars. De plus, à l'aide de mesures polysomnographiques et actigraphiques, la qualité du sommeil est évaluée, de manière objective. Les symptômes de dépression et d'anxiété ainsi que la qualité de vie du participant sont également évalués avant et après traitement. Les résultats indiquent une diminution de la fréquence et de l'intensité des cauchemars ainsi que des symptômes de dépression, en plus d'une augmentation de la qualité de vie. La thérapie n'a pas eu d'effet significatif sur les données subjectives et objectives du sommeil, à l'exception du nombre d'éveils, qui a diminué d'un point de vue subjectif. Pour ce qui est du contenu des rêves, on observe une tendance vers la diversification du contenu onirique, moins axé sur les combats militaires.

The primary purpose of this study was to determine the status of brand loyalty to art festivals with reference to Klein Karoo national Arts Festival (KKNK). This was achieved by firstly analysing and discussing the role of branding in tourism marketing. Secondly, a literature study was conducted to analyse the concept brand loyalty. Thirdly, the results of the empirical research were discussed and finally the conclusions were drawn from the research and recommendations were made with regard to visitors’ loyalty to the KKNK. Literature indicated that when marketing a tourism product or service it involves a complex bundle of value, which is intangible, inseparable, variable and perishable. Therefore the tourist’s experience with the product is important to keep in mind. Every tourist counts in the tourism industry therefore knowledge related to the needs and wants of the tourists. This can be determined by market research that is designed to collect, analyse, interpret and report information. The marketer can use this information to create a marketing mix, however, in the tourism and hospitality industry the four P’s (price, promotion, product, place) are extended with more P’s, namely people, physical environment, processes, packaging, participation, productservice mix, presentation mix and communication mix. The tourism product or festival should be positioned in the minds of the tourists and this cannot be achieved without branding the product. The brand name is used to identify and differentiate the product from its competitors. It also creates meaning for the tourist and establishes a competitive position in the minds of the tourist. Brand loyalty should be an important marketing goal of the tourism product because it reduces a brand’s vulnerability to competitors’ action and create a committed relationship with the tourists that insure lifelong visiting behaviour among tourists or positive word-of-mouth recommendations. Brand loyalty is build on six levels which can also be utilised to determine the visitors loyalty towards the brand and to assist the marketer on focussing on areas which should be improved to achieve a higher level of loyalty. The aim of the marketer should be to achieve the highest level of brand loyalty namely Resonance. For the purpose of this study the visitors’ profile and the current status of brand loyalty, were measured by means of a questionnaire and the objective of the questionnaire was to determine how loyal the visitors were to the KKNK. The questionnaires were distributed among the visitors at the KKNK in Oudtshoorn, in April 2009. Availability sampling was used to collect the data based on the fact that the respondents were conveniently available on the festival grounds and at show venues and willing to complete the questionnaires. A total of 422 questionnaires were completed during the festival. The factor analysis determined that Brand Feelings were the loyalty level that was rated the highest by the respondents to the KKNK. Therefore it was determined that the visitors’ loyalty to KKNK is currently at the fifth loyalty level and will have the most influence on the visitors when deciding to visit or recommend the KKNK. This is expected for a festival that is 15 years old however, the organisers of the KKNK can continue to improve the visitors loyalty until they reach the sixth and highest, loyalty level. This study contributes to the limited available literature on brand loyalty to arts festivals. / Thesis (M.Com. (Tourism))--North-West University, Potchefstroom Campus, 2012

Ce travail expérimental traite de la détection de radiations Térahertz (THz) par des transistors à base de silicium. Après avoir exposé le contexte de l'étude et les bases théoriques des modèles nécessaires à la compréhension du sujet, le manuscrit débute par une comparaison des transistors de haute mobilité électronique (HEMTs à base de matériaux III-V), aux transistors à base de silicium (Si-MOSFETs). Cette étude permet une meilleure compréhension du mécanisme physique responsable de la détection de radiations THz par les transistors à effet de champ de manière générale. La seconde partie de ce travail est consacrée à l'étude théorique et expérimentale de la longueur critique du canal Lc, liée à la distance d'amortissement des ondes de plasma et à partir de laquelle le signal de détection sature. Par ailleurs, le signal de détection THz de différents types de Si-MOSFETs a été étudié en fonction du champ magnétique, de la température et de la fréquence de l'onde THz incidente. Des raies inattendues et extrêmement marquées sont observées, jusqu'à la température ambiante, dans le signal de détection et dans la résistance du canal en champ magnétique. Celles-ci semblent être liées à une résonance de spin de facteur gyromagnétique égal à 2. L'allure générale du signal THz en champ magnétique est également discutée. Enfin, l'une des premières générations de détecteurs optimisés pour le THz et conçue dans le cadre d'un partenariat avec le CEA-LETI est présentée. Il s'agit notamment d'une matrice de pixels composés de Si-MOSFETs connectés à des antennes adaptées, à des amplificateurs de signaux, et à une première ébauche de circuit de lecture. La sensibilité, la puissance équivalent bruit (NEP) et la polarisation de ces détecteurs, est également étudiée en fonction de la fréquence incidente. Les résultats de cette étude mettent en exergue le potentiel de ces transistors nanométriques à base de Silicium entant que détecteur dans un système d'imagerie THz performant à température ambiante. / The experimental study reported here, deals with Therahertz (THz) radiation detection with silicon based transistors. After a brief overview of the context and the basics of the theory necessary to understand the subject, the report starts with a comparison betwen high mobility transistors (HEMTs based on III-V technolgies), and silicon transistors (Si-MOSFETs). This study allows a better understanding of the physical phenomenom responsible for THz radiation detection with field effect transistors in general. The second part is focalized on theoretical and experimental study of the critical chanel length (Lc), correlated to the distance of the plasma waves damping, from which the detection signal saturates. Beside, this THz detection signal, from diffrent kind of Si-MOSFETs, has been studied in magnetic field, in temperature, and in the frequency of the incomming radiation. Very pronounced and odd peaks are observed and studied, up to the ambiant temperature, inside the THz signal and the resistance of the MOS submited to magnetic field. These peaks seems to be linked by some way to a spin resonnance with a gyromagnetic factor of 2. The global tendancy of the evolution of the signal in magnetic field is also studied. Finally, one of the first generation of THz optimized detectors, develloped in partnership with CEA-LETI, is presented. Indeed, matrixes of pixels, composed of Si-MOSFETs connected to specific antennas, integrated amplifiers, and a basic reading circuit are studied. Sensitivity, noise equivalent power (NEP), polarization, of these detectors are caracterized. This study demonstrates the whole potential of these silicon based transistors as efficient THz imagery detectors for room temperature.

This analysis examines Jane Eyre and Wide Sargasso Sea through the lens of lunar imagery and the irrational feminine, arguing that both texts are aspects of an extended, collective narrative in which both heroines rescue and reclaim their feminine essence from the construction of a masculine idealism.

Thirty outpatients being treated at Wilford Hall USAF Medical Center Department of Behavioral Health Psychology were randomly assigned to either a relaxation/imagery training class (R/I), a short-term psychotherapy group (P/G) or a no treatment control group. Subjects had psychological, physiological and immunological data taken before and after treatment. Results indicated that support for the hypothesis that relaxation/imagery training improves the psychological, physiological, and immunological functioning of participants was found.

One hundred persons applying for services with the Texas Rehabilitation Commission with reported disabilities of alcohol/substance abuse or back injury/pain were selected for study. Subjects were assigned to two groups (alcohol or back) according to their reported disability. They were tested within one week of application and after 60 days were checked to see what rehabilitation status they were in to determine success or failure. Alcohol clients were administered the Health Attribution Test (HAT), 16PF, and an Alcohol Imagery questionnaire developed for this study. Back clients were administered the HAT, 16PF, and Pain Drawings. Statistical procedures including Pearson correlation, stepwise discriminant analysis, and discriminant analysis were performed. The HAT Internal Factor showed a significant relationship to rehabilitation success or failure and the 16PF motivation indices approached significance. The discriminant analysis demonstrated that success or failure could be predicted at a significant level using these measures. Issues of practicality in using these instruments (particularly imagery measures) in a rehabilitation counseling practice were noted.

The problem scrutinized in this thesis is the relationship between Robert Grosseteste, mentioned in the colophon of William of Shoreham's "Song to Mary," and the author of said poem. The influence of Grosseteste on William of Shoreham appears to be extensive. Many similarities of organization, diction, and, especially, imagery, exist in the works of both men. The images of the windowpane, the mirror, and Mary as a castle are found in more than one instance in both Grosseteste's Chasteau d'Amour and in several of Shoreham's poems. Moreover, the borrowed imagery in Shoreham's poetry is unquestionably superior to any other in his works. It is the conclusion of this thesis that Robert Grosseteste was a considerable influence on the works of William of Shoreham.

A Brain Computer Interface (BCI) provides a means, to control external devices, through the electrical activity of the brain, bypassing motor movement. Recent years have seen an increase in the application of P300 cognitive potential as a control and/or communication signal for the motor restoration in paralyzed patients, such as those in the later stages of ALS (Amyotrophic lateral sclerosis). Although many of these patients are in locked-in state i.e. where motor control is not possible, their cognition is known to remain intact. The P300 speller paradigm explored in this study relying on this cognition represented by the P300 peak potential in EEG (Electroencephalography) signals to restore communication. The conventional visual oddball paradigms used to elicit P300 potential may not be the optimum choice due to their need for precise eye-gazing, which may be challenge for many patients. This study introduces a novel paradigm with motor imagery as a secondary after-stimulus task in a traditional visual oddball paradigm for P300 Speller application. We observed increased P300 peak amplitude as well as the event-related desynchronization (ERD) associated with motor imagery in six healthy novice subjects. Acceptable detection accuracy was obtained in the five-trial averaged signals from 250 ms to 750 ms after the visual stimulation, whereby the early visual evoked potentials were excluded from classification. As an enhancement, efforts are being made to assess implementation by motor imagery embedded in an auditory oddball paradigm which would minimize the need for eye-gazing further. We can conclude from the results of this study that the proposed paradigm with motor imagery embedded in a traditional visual oddball paradigm might be a feasible option for communication restoration in paralyzed patients.

Classification of road network from airborne laser scanning data and from remote sensing images with high resolution Abstract Object classification of land cover is currently one of the methods of remote Earth exploration. Road network classification only is unique because it is covered with anthropogenic material and has different characteristics than other elements of the landscape. This work deals with the possibility of using a combination of data from airborne laser scanning and high resolution optical data for detection of the road network in the specific area. The premise is that the use of two different types of data could provide better results, because airborne laser scanning data provide very precise information about the position and height of the point, while satellite data of very high resolution represent the real landscape. Searching for suitable features and classification rules for unambiguous determination of the road network is one of the objectives of the work. Segmentation parameters will also be important for object classification. Another objective is to verify the transferability of classification schemes into the other scene. The results should present a response on whether a procedure can be applied over a different location and also that the use of two types of data can bring...

6 Abstract The diploma thesis concerns the topic of nautical metaphorics in modern literature in a broad sense of the term as defined by Silvio Vietta. Thus besides the topic itself and its main focus on the work of Franz Kafka it also covers the process of evolution of its attributes, which led to the specific imagery of modernism on the brink of the 20th century. The work as a whole derives from the conception of the nautical space as a smooth space of nomadism as proposed by Deleuze and Guattari. The first part is based on the propositions of Bachelard's theory of material imagination. It deals with the characteristics of the literary space shaped by the sea element and the possibility of alogorical reading of such images. The hydraulics of the sea provides the nautical space with its unique qualities: shapelessness, flexibility and ambivalence. These enable to percieve the nautical space not only as the space of happenings, but also as the happenings of the space. Thus it puts emphasis on the activity and dynamic plasticity of the substance. The second part reveals the ancient and Christian roots of nautical imagery and its tradition in the European literature. The work of Comenius exemplifies the change in the symbolism of the ship with the arrival of the Age of Exploration which rendered the ship a...