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Sökning: LAR1:lu > (2010-2011) > Högskolan i Halmstad

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2.
  • Asker-Árnason, Lena, et al. (författare)
  • Picture-elicited written narratives, process and product, in 18 children with cochlear implants
  • 2010
  • Ingår i: Communication Disorders Quarterly. - Austin, TX : PRO-ED. - 1525-7401. ; 31:4, s. 195-212
  • Tidskriftsartikel (refereegranskat)abstract
    • The purpose of the study was to explore the narrative writing of 18 children, ages 11 to 19, with severe and profound hearing impairment who had cochlear implants (CI), compared with the performance of hearing children. Nine of the 18 children had prelingual deafness and 9 children had postlingual deafness. The hearing impairment was progressive in 11 children. The participants thus formed a heterogeneous group, which was split in two ways: according to age at testing and age at implantation. The narratives were collected by means of keystroke logging. The difference between the children with CI and the hearing children was most prominent for two measures: the percentage of pause time (in the group of children older than 13 years) and lexical density. Furthermore, the children implanted after 5 years of age performed more like the hearing children. This group consisted of children with postlingual deafness and also of children who were deafened progressively. Our interpretation is that these children benefited from the early linguistic input. Taking the whole group of participants into consideration, the results reflect linguistic and cognitive processing limitations in complex linguistic tasks like narration for the children with CI in comparison with their hearing peers.
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3.
  • Behrns, Ingrid, et al. (författare)
  • Aphasia and text writing
  • 2010
  • Ingår i: International Journal of Language and Communication Disorders. - 1368-2822. ; 45:2, s. 230-243
  • Tidskriftsartikel (refereegranskat)abstract
    • Background:Good writing skills are needed in almost every aspect of life today, and there is a growing interest in research into acquired writing difficulties. Most of the findings reported so far, however, are based on words produced in isolation. The present study deals with the production of entire texts.Aims:The aim was to characterize written narratives produced by a group of participants with aphasia.Methods & Procedures:Eight persons aged 28–63 years with aphasia took part in the study. They were compared with a reference group consisting of ten participants aged 21–30 years. All participants were asked to write a personal narrative titled ‘I have never been so afraid’ and to perform a picture-based story-generation task called the ‘Frog Story’. The texts were written on a computer.Outcome & Results: The group could be divided into participants with low, moderate, and high general performance, respectively. The texts written by the participants in the group with moderate and high writing performance had comparatively good narrative structure despite indications of difficulties on other linguistic levels.Conclusions & Implications:Aphasia appeared to influence text writing on different linguistic levels. The impact on overall structure and coherence was in line with earlier findings from the analysis of spoken and written discourse and the implication of this is that the written modality should also be included in language rehabilitation.
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4.
  • Bengtsson, Åsa, 1967- (författare)
  • Nyktra kvinnor : Folkbildare, företagare och politiska aktörer. Vita Bandet 1900-1930
  • 2011
  • Doktorsavhandling (övrigt vetenskapligt)abstract
    • In this thesis the female Christian temperance union the White Ribbon is in focus. The White Ribbon was founded in Stockholm in 1900 and it was part of the international organization World’s Woman’s Christian Temperance Union (WWCTU). The organization’s ambition was to create a temperate and moral society, running a variety of philanthropic institutions and adult education, as well as non-alcohol serving restaurants.The aim of the thesis is to study the White Ribbon’s social and political commitment and its ideological approach during the first three decades of the 20th century. The White Ribboners’ ideological approach and culture are problematized in relation to the prevailing and predominant view on women. The organization’s monthly journal has been closely studied and the ideas and practical social and political commitment have been analyzed in a theoretical perspective of social movement theory, according to the Swedish sociologist Håkan Thörn’s methodological framework. This theoretical approach is an instrument to analyze what the White Ribbon identified to be social problems; what was considered to be the reasons for these problems; and what strategy the organization regarded to be the best way to deal with them in order to reach the prognosticated change.The analysis shows that the White Ribbon identified the predominant gender system and the bourgeois view on women as a primary social problem. The organization’s strategy was to eliminate the patriarchal order of the gender system and to change the attitude of people through adult education, information and persuasion. The White Ribbon participated in public debate pursuing temperance and women’s suffrage, and was a lobbyist proposing motions and demanding legislative reforms. The White Ribbon’s ideological approach, as well as their philanthropic activities emanated from a bourgeois ideal of conscientiousness and cultivation, and from an interest in social politics. This was in contrast to the bourgeois view of what the ideal woman should do. From the White Ribboners’ point of view, society could only prosper when women had the same rights as men, and could participate the public sphere and become involved in politics.The study shows that the organization worked hard for equality and democracy, pursuing a feminist and liberal ideology. The White Ribboners regarded themselves, and also acted, as political agents. They introduced and increased women’s possibilities for adult education. They initiated and provided social protection for alcohol addicted women, and for poor and fallen women and girls. These activities must be seen as forms of enterprises and the White Ribboners  as entrepreneurs, since these institutions were, in fact, innovations and models for solving problems in order to build a welfare system and to create a temperate and prosperous society. The thesis put forward arguments that the White Ribbon’s social and political work are political innovations and important elements in the process of democratization and, therefore, played an important part in this process.
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5.
  • Bergsten, Ulrika, et al. (författare)
  • Patterns of background factors related to early RA patients' conceptions of the causes of their disease
  • 2011
  • Ingår i: Clinical Rheumatology. - 0770-3198. ; 30:3, s. 347-352
  • Tidskriftsartikel (refereegranskat)abstract
    • The aim of the present study was to identify patterns of background factors related to the early RA patients' conceptions of the cause of the disease. Conceptions from a qualitative study formed the basis for the stratification of 785 patients from the Swedish EIRA study answering a question about their own thoughts about the cause to RA. Logistic regression analyses were used to explore the associations between patients' conceptions and relevant background factors: sex, age, civil status, educational level, anti-cyclic citrullinated peptide antibody (anti-CCP) and smoking habits. The results were presented as odds ratios (OR) with 95% confidence intervals (CI). A conception of family-related strain was strongly associated with being young (OR 0.50; 95% CI 0.33-0.78 for age 58-70 vs. 17-46), female (OR 0.38; 95% CI 0.25-0.60 for male vs. female) and having a high level of education (OR 2.15; 95% CI 1.54-3.01 for university degree vs. no degree). A conception of being exposed to climate changes was associated with being male (OR 1.99; 95% CI 1.24-3.22 for male vs. female), having a low level of education (OR 0.33; 95% CI 0.18-0.58 for university degree vs. no degree) and positive Anti-CCP (OR 1.72; 95% CI 1.03-2.87 for positive vs. negative Anti-CCP). Linking patients' conceptions of the cause of their RA to background factors potentially could create new opportunities for understanding the complexity of the aetiology in RA. Furthermore, this information is important and relevant in the care of patients with early RA.
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6.
  • Borschel, Christian, et al. (författare)
  • A New Route toward Semiconductor Nanospintronics : Highly Mn-Doped GaAs Nanowires Realized by Ion-Implantation under Dynamic Annealing Conditions
  • 2011
  • Ingår i: Nano letters (Print). - Washington : American Chemical Society (ACS). - 1530-6984. ; 11:9, s. 3935-3940
  • Tidskriftsartikel (refereegranskat)abstract
    • We report on highly Mn-doped GaAs nanowires (NWs) of high crystalline quality fabricated by ion beam implantation, a technique that allows doping concentrations beyond the equilibrium solubility limit. We studied two approaches for the preparation of Mn-doped GaAs NWs: First, ion implantation at room temperature with subsequent annealing resulted in polycrystalline NWs and phase segregation of MnAs and GaAs. The second approach was ion implantation at elevated temperatures. In this case, the single-crystallinity of the GaAs NWs was maintained, and crystalline, highly Mn-doped GaAs NWs were obtained. The electrical resistance of such NWs dropped with increasing temperature (activation energy about 70 meV). Corresponding magnetoresistance measurements showed a decrease at low temperatures, indicating paramagnetism. Our findings suggest possibilities for future applications where dense arrays of GaMnAs nanowires may be used as a new kind of magnetic material system.
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9.
  • Conache, Gabriela, et al. (författare)
  • Bias-controlled friction of InAs nanowires on a silicon nitride layer studied by atomic force microscopy
  • 2010
  • Ingår i: Physical Review B Condensed Matter. - College Park, Md. : American Physical Society. - 0163-1829. ; 82:3
  • Tidskriftsartikel (refereegranskat)abstract
    • By studying how nanowires lying on a surface bend when pushed by an atomic force microscopy tip we are able to measure the friction between them and the substrate. Here, we show how the friction between InAs nanowires and an insulating silicon nitride layer varies when a dc voltage is applied to the tip during manipulation. The bias charges the capacitor formed by the wire and the grounded silicon back contact. Electrostatic forces increase the contact pressure and allow us to tune the friction between the wire and the silicon nitride surface. Using nanowires of about 40-70 nm diameter and a few microns in length we have applied biases in the range +12 to -12 V. A monotonic increase of the sliding friction with voltage was observed. This increase in friction with the normal force implies that the mesoscopic nanowire-surface system behaves like a macroscopic contact, despite the nanometer size of the contact in the direction of motion. The demonstrated bias-controlled friction has potential applications in MEMS/NEMS devices.
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10.
  • Conache, Gabriela, et al. (författare)
  • Comparative friction measurements of InAs nanowires on three substrates
  • 2010
  • Ingår i: Journal of Applied Physics. - College Park, MD : American Institute of Physics (AIP). - 0021-8979. ; 108:9, s. 094307-094307-5
  • Tidskriftsartikel (refereegranskat)abstract
    • We have investigated friction between InAs nanowires and three different substrates: SiO2, fluorosilanized SiO2, and Si3N4. The nanowires were pushed laterally with the tip of an atomic force microscope and the friction force per unit length for both static and sliding friction was deduced from the equilibrium shape of the bent wires. On all three substrates, thick wires showed a difference between sliding and static friction of up to three orders of magnitude. Furthermore, all substrates display a transition to stick-slip motion for nanowires with a diameter of less than about 40 nm. Hydrophobic and hydrophilic substrates display similar friction behavior suggesting that a condensed water layer does not strongly influence our results. The patterns and trends in the friction data are similar for all three substrates, which indicates that they are more fundamental in character and not specific to a single substrate. ©2010 American Institute of Physics.
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