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  • 1191751.
    Ödkvist, Lars
    et al.
    Linköping University.
    Hydén, Dag
    Linköping University.
    Andersson, Hans
    Östergötlands Läns Landsting.
    Larsby, Birgitta
    Linköping University.
    The visual suppression test1983In: Proc NES 1983, 1983Conference paper (Other academic)
  • 1191752.
    Ödkvist, Lars
    et al.
    Linköping University.
    Jerlvall, T.
    Andersson, Hans
    Östergötlands Läns Landsting.
    Larsby, Birgitta
    Linköping University.
    Hydén, Dag
    Linköping University.
    A computerized saccade test - clinical value1983In: Proc NES 1983, 1983, p. 202-208Conference paper (Other academic)
  • 1191753.
    Ödkvist, Lars
    et al.
    Östergötlands Läns Landsting.
    Larsby, Birgitta
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Hydén, Dag
    Linköping University.
    Rotatory tests1993In: NES 1993, 1993Conference paper (Other academic)
  • 1191754.
    Ödkvist, Lars
    et al.
    Linköping University.
    Larsby, Birgitta
    Linköping University.
    Hydén, Dag
    Linköping University.
    Aschan, Gunnar
    Linköping University.
    Tham, Richard
    Linköping University.
    Influence of industrial solvents on the balance system1977In: International symposium on the control of air pollution in the working environment, 1977, 1977, p. 80-87Conference paper (Other academic)
  • 1191755.
    Ödkvist, Lars
    et al.
    Östergötlands Läns Landsting.
    Larsby, Birgitta
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Ledin, Torbjörn
    Linköping University. Östergötlands Läns Landsting.
    Eccentric rotation as a means to assess otolith function: normal subjects and findings in unilateral Menieres Disease1996Conference paper (Other academic)
  • 1191756.
    Ödkvist, Lars
    et al.
    Linköping University. Departments of Otolaryngology and Clinical Pharmacology, Regional-and University Hospital, Linköping University, Linköping, Sweden.
    Larsby, Birgitta
    Linköping University. Departments of Otolaryngology and Clinical Pharmacology, Regional-and University Hospital, Linköping University, Linköping, Sweden.
    Liedgren, Christer
    Linköping University. Departments of Otolaryngology and Clinical Pharmacology, Regional-and University Hospital, Linköping University, Linköping, Sweden.
    Fredrickson, John
    University of Toronto, Canada.
    Tham, Richard
    Linköping University. Departments of Otolaryngology and Clinical Pharmacology, Regional-and University Hospital, Linköping University, Linköping, Sweden.
    Vestibular and oculomotor disturbances caused by industrial solvents1980In: Journal of Otolaryngology, ISSN 0381-6605, Vol. 9, no 1, p. 53-59Article in journal (Refereed)
    Abstract [en]

    Hydrocarbon solvents, xylene, styrene, methylchloroform, and trichlorethylene, given intravenously to rabbits produce a positional nystagmus. Due to their additional influence on rotatory nystagmus, one may conclude that their mode of action takes place in the central nervous system. Optokinetic (OKN) responses in rabbits, cats, and humans were also influenced by styrene. OKN responses have not yet been tested for the other solvents. A comparison is made with the effects of alpha-chloralose and the GABA-antagonists bicuculline and picrotoxin which produced similar disturbances. The GABA agonist, baclofen, prevents positional induced styrene nystagmus. It seems likely therefore that the solvents may act by blocking the cerebellar inhibition of vestibulo-oculomotor reflexes. Solvents given simultaneously in some combinations are either

  • 1191757.
    Ödkvist, Lars
    et al.
    Linköping University.
    Larsby, Birgitta
    Linköping University.
    Liedgren, Christer
    Östergötlands Läns Landsting.
    Tham, Richard
    Linköping University.
    Disturbancies of the oculomotor system caused byhydrocarbon solvents1981In: Functional basis of Ocular Motility Disorders, 1981, 1981, p. 535-536Conference paper (Other academic)
  • 1191758.
    Ödkvist, Lars
    et al.
    Linköping University. Department of Otolaryngology and Department of Clinical Pharmacology, Regional and University Hospital, Linköping University, Linköping, Sweden.
    Larsby, Birgitta
    Linköping University. Department of Otolaryngology and Department of Clinical Pharmacology, Regional and University Hospital, Linköping University, Linköping, Sweden.
    Tham, Richard
    Linköping University. Department of Otolaryngology and Department of Clinical Pharmacology, Regional and University Hospital, Linköping University, Linköping, Sweden.
    Aschan, Gunnar
    Linköping University. Department of Otolaryngology and Department of Clinical Pharmacology, Regional and University Hospital, Linköping University, Linköping, Sweden .
    On the mechanisms of vestibular disturbancies caused by industrial solvents1979In: Advances in Oto-Rhino-Laryngology, ISSN 0065-3071, E-ISSN 1662-2847, Vol. 25, p. 167-172Article in journal (Refereed)
    Abstract [en]

    The industrial solvents xylene, styrene, trichloroethylene and methylchloroform administered to rabbits caused a positional nystagmus and disturbances in the nystagmus response to rotatory acceleration. The positional nystagmus had a beat direction the opposite to positional alcohol nystagmus, which was in similar experiments elicited by methanol, ethanol and propanol. The three alcohols needed a ten times higher blood concentration to cause a nystagmus than the solvents did.

  • 1191759.
    Ödkvist, Lars
    et al.
    Linköping University.
    Larsby, Birgitta
    Linköping University.
    Tham, Richard
    Linköping University.
    Hydén, Dag
    Linköping University.
    Vestibular oculomotor dysfunction caused by solvents1982In: Nordic symposium on data processing of eye movements 1982, 1982Conference paper (Other academic)
  • 1191760.
    Ödkvist, Lars
    et al.
    Linköping University.
    Larsby, Birgitta
    Linköping University.
    Tham, Richard
    Linköping University.
    Hydén, Dag
    Linköping University.
    Vestibulo-oculomotor disturbances caused by industrial solvents1983In: Otolaryngology - Head and Neck Surgery, ISSN 0194-5998, Vol. 91, no 5, p. 537-539Article in journal (Refereed)
    Abstract [en]

    Animal experiments show that intoxication with hydrocarbon solvents influences the vestibulo-oculomotor reflex arc and indicate that the solvents block the inhibition of the vestibulo-oculomotor reflex presumably exerted by the cerebellum. The blood concentrations necessary to elicit oculomotor disturbances in animals were smaller than those that disturbed the vestibular function. Accordingly, in human experiments styrene and toluene exposure did not elicit any positional nystagmus but caused an increased saccade speed and a diminished visual suppression of vestibular nystagmus. Some cerebellar clinical pathologic process in patients who suffer from a psycho-organic syndrome caused by solvents leads us to believe that the cerebellum might be the most vulnerable part of the brain. Some patients had a positional nystagmus, but the most prominent pathologic signs were elicited by the visual suppression test. Our findings compare well with the increased saccade speed and diminished visual suppression in patients with cerebellar tumors and infarctions

  • 1191761.
    Ödkvist, Lars
    et al.
    Linköping University.
    Larsby, Birgitta
    Linköping University.
    Tham, Richard
    Linköping University.
    Liedgren, Christer
    Östergötlands Läns Landsting.
    Aschan, Gunnar
    Linköping University.
    Positional nystagmus elicited by industrial solvents1978In: Vestibular mechanisms in health and disease, 1978 / [ed] Hood JD, Academic Press, 1978, p. 18-27Conference paper (Other academic)
  • 1191762.
    Ödkvist, Lars
    et al.
    Linköping University. Departments of Otolaryngology and Clinical Pharmacology, University Hospital, Linköping, Sweden .
    Larsby, Birgitta
    Linköping University. Departments of Otolaryngology and Clinical Pharmacology, University Hospital, Linköping, Sweden.
    Tham, Richard
    Linköping University. Departments of Otolaryngology and Clinical Pharmacology, University Hospital, Linköping, Sweden.
    Åhlfeldt, H.
    Linköping University. Departments of Otolaryngology and Clinical Pharmacology, University Hospital, Linköping, Sweden.
    Andersson, Björn
    Linköping University. Departments of Otolaryngology and Clinical Pharmacology, University Hospital, Linköping, Sweden.
    Eriksson, Birgitta
    Linköping University. Departments of Otolaryngology and Clinical Pharmacology, University Hospital, Linköping, Sweden.
    Liedgren, Christer
    Linköping University. Departments of Otolaryngology and Clinical Pharmacology, University Hospital, Linköping, Sweden.
    Vestibulo-oculomotor disturbances in humans exposed to styrene1982In: Acta Oto-Laryngologica, ISSN 0001-6489, E-ISSN 1651-2251, Vol. 94, no 1-6, p. 487-493Article in journal (Refereed)
    Abstract [en]

    Several reports indicate that disturbances of the vestibulo-oculomotor ability are a manifestation of the toxic action on the central nervous system exerted by some industrial solvents. The aim of the present investigation was to examine the vestibulo-oculomotor system during exposure to styrene, which is extensively used in the production of plastics. Healthy volunteers were exposed to styrene for one hour. Rotatory and optokinetic nystagmus, visual suppression as well as speed, latency and accuracy of saccades were tested before, during, and one hour after the exposure. The pulmonary uptake and the blood level of the solvent were continuously analysed by gas chromatography. The styrene blood concentration was equivalent to that which may well be reached after several hours of hard work in an industrial environment with a concentration of styrene within permitted limits. No spontaneous nystagmus appeared. The rotatory and optokinetic nystagmus was not influenced by styrene. However, the speed of the saccade was significantly enhanced. The visual suppression was disturbed, shown by an increased gain after styrene exposure. The experiments thus indicate that styrene given to healthy test persons induced disturbances, thus consistent with the theory that some organic solvents block the cerebellar inhibition of the vestibulo-oculomotor system.

  • 1191763.
    Ödkvist, Lars
    et al.
    Östergötlands Läns Landsting.
    Ledin, Torbjörn
    Linköping University.
    Larsby, Birgitta
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Gripmark, M.
    Noaksson, Lisbeth
    Östergötlands Läns Landsting.
    Olsson, S.
    Östergötlands Läns Landsting.
    Otolithic tests in Menière’s disease1995In: Ménièr's Disease, 1995 / [ed] Vesterhauge S, Katholm M, Mikines P, 1995, p. 259-265Conference paper (Other academic)
  • 1191764.
    Ödkvist, Lars
    et al.
    Östergötlands Läns Landsting.
    Liedgren, Christer
    Östergötlands Läns Landsting.
    Larsby, Birgitta
    Östergötlands Läns Landsting.
    Jerlvall, L.
    Östergötlands Läns Landsting.
    Vestibular and somatosensory inflow to the vestibular projection area in the post cruciate dimple region of the gat cerebral cortex1975In: Experimental Brain Research, ISSN 0014-4819, E-ISSN 1432-1106, Vol. 22, no 2, p. 185-196Article in journal (Refereed)
    Abstract [en]

    In anesthetized cats 251 cells within the cortical vestibular projection area, adjacent to the post-cruciate dimple, were analyzed as to their input characteristics employing extracellular recording techniques. The post cruciate dimple vestibular field, which is located in area 3a, has a high degree of convergence between vestibular and peripheral somatosensory input. The latter is not restricted to muscle afferents but includes cutaneous modalities. The functional significance of this vestibular cortical projection field is discussed.

  • 1191765. Ödkvist, Lars M.
    et al.
    Malmberg, L.
    Möller, Claes
    Örebro University, School of Health and Medical Sciences.
    Age-related vertigo and balance disorders according to a multiquestionnaire1988In: Vertigo, nausea, tinnitus, and hypoacusia in metabolic disorders: proceedings of the XVth Scientific Meeting of the Neurootological and Equilibriometric Society, Bad Kissingen, 17-20 March 1988 / [ed] Claus-Frenz Claussen, Milind V. Kirtane, Klaus Schlitter, 1988, p. 423-427Conference paper (Refereed)
  • 1191766. Ödkvist, Lars M.
    et al.
    Möller, Claes
    Örebro University, School of Health and Medical Sciences.
    Aita, J.
    White, V.
    Smith, S.
    Rubin, A.
    Findings in olivopontocerebellar degeneration1988In: Vertigo, nausea, tinnitus, and hypoacusia in metabolic disorders: proceedings of the XVth Scientific Meeting of the Neurootological and Equilibriometric Society, Bad Kissingen, 17-20 March 1988 / [ed] Claus-Frenz Claussen, Milind V. Kirtane, Klaus Schlitter, 1988, p. 327-331Conference paper (Refereed)
  • 1191767. Ödkvist, Lars M.
    et al.
    Möller, Claes
    Örebro University, School of Health and Medical Sciences.
    Hydén, D.
    Larsby, Birgitta
    Vestibular compensation measured by the broad-frequency band rotatory test1987In: The vestibular system: neurophysiologic and clinical research / [ed] Malcolm D. Graham, John L. Kemink, 1987, p. 287-291Conference paper (Refereed)
  • 1191768. Ödkvist, Lars M.
    et al.
    Möller, Claes
    Örebro University, School of Health and Medical Sciences.
    Thell, Jan
    Larsby, Birgitta
    Hydén, D.
    Gentamycin-treated Ménière's disease evaluated by rotary tests1985In: New dimensions in otorhinolaryngology - head and neck surgery: proceedings of the XIIIth world congress, Miami Beach, FL, 26-31 May 1985 / [ed] Eugene N. Myers, 1985, Vol. 2, p. 43-45Conference paper (Refereed)
  • 1191769.
    Ödkvist, Lars
    et al.
    Linköping University.
    Möller, C.
    Linköping University.
    Thell, Jan
    Östergötlands Läns Landsting.
    Larsby, Birgitta
    Linköping University.
    Hydén, Dag
    Linköping University.
    Gentamycin-treated Meniere's disease evaluated by rotatory tests1985In: Myers E, editor.; Elsevier SiencePublishers B.V.; 1985 / [ed] Myers E,, 1985, p. 43-44Conference paper (Other academic)
  • 1191770.
    Ödkvist, Lars
    et al.
    Östergötlands Läns Landsting.
    Möller, Claes
    Linköping University.
    Hydén, Dag
    Linköping University.
    Larsby, Birgitta
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Vestibulr Compensation Measured by the Broad-Frequency Band Rotatory Test1987In: The Vestibular system: Neurophysiologic and clinical research / [ed] Malcolm D. Graham, John L. Kemink, New York: Raven Press , 1987, p. 287-291Conference paper (Refereed)
  • 1191771.
    Ödkvist, Lars
    et al.
    Linköping University, Faculty of Health Sciences. Linköping University, Department of Neuroscience and Locomotion, Oto-Rhiono-Laryngology and Head & Neck Surgery. Östergötlands Läns Landsting, Reconstruction Centre, Department of ENT - Head and Neck Surgery UHL.
    Noaksson, L M
    Greibe, Patrick
    Linköping University, Faculty of Health Sciences. Linköping University, Department of Neuroscience and Locomotion, Oto-Rhiono-Laryngology and Head & Neck Surgery. Östergötlands Läns Landsting, Reconstruction Centre, Department of ENT - Head and Neck Surgery UHL.
    Ledin, Torbjörn
    Linköping University, Faculty of Health Sciences. Linköping University, Department of Neuroscience and Locomotion, Oto-Rhiono-Laryngology and Head & Neck Surgery. Östergötlands Läns Landsting, Reconstruction Centre, Department of ENT - Head and Neck Surgery UHL.
    Neurootology in neck trauma patients2004In: Bárány Society XXIII International Congress,2004, 2004, p. 156-156Conference paper (Other academic)
  • 1191772.
    Ödkvist, Lars
    et al.
    Linköping University.
    Tham, Richard
    Linköping University.
    Hydén, Dag
    Linköping University.
    Larsby, Birgitta
    Linköping University.
    Edling, Christer
    Bergholtz, Lars
    Östergötlands Läns Landsting.
    Tidig diagnostik vid lösningsmedelsskada1982In: Sv Otolaryngol förening 1982;2, 1982, p. 2-Conference paper (Other academic)
  • 1191773.
    Ödkvist, Lars
    et al.
    Linköping University.
    Tham, Richard
    Linköping University.
    Larsby, Birgitta
    Linköping University.
    Aschan, Gunnar
    Linköping University.
    Liedgren, Christer
    Östergötlands Läns Landsting.
    Hur inverkar industriella lösningsmedel på balansapparaten1978In: Läkaresällskapets riksstämma 1978, 1978Conference paper (Other academic)
  • 1191774.
    Ödkvist, Lars
    et al.
    Linköping University.
    Tham, Richard
    Linköping University.
    Åhlfeldt, H.
    Linköping University.
    Andersson, Björn
    Linköping University.
    Liedgren, Christer
    Östergötlands Läns Landsting.
    Larsby, Birgitta
    Linköping University.
    Vestibulo-oculomotor findings during styrene exposure1981In: World Congress of Otolaryngol 1981, 1981Conference paper (Other academic)
  • 1191775.
    Ödkvist, Lars
    et al.
    Linköping University.
    Thell, Jan
    Östergötlands Läns Landsting.
    Hydén, Dag
    Linköping University.
    Larsby, Birgitta
    Linköping University.
    Vascular cause for vertigo1986In: Claussen C-F, Kirtane MV, editors. Vertigo, nausea,tinnitus and hearing loss in cardiovasculr disease.: Elsevier SciencePublishers B.V.; 1986, 1986, p. 61-68Conference paper (Other academic)
  • 1191776.
    Ödkvist, Lars
    et al.
    Linköping University. Department of Otolaryngology, University Hospital, Linköping, Sweden..
    Thell, Jan
    Östergötlands Läns Landsting. Department of Otolaryngology, University Hospital, Linköping, Sweden..
    Larsby, Birgitta
    Linköping University. Department of Otolaryngology, University Hospital, Linköping, Sweden..
    A comparison between smooth pursuit and visual suppression1988In: Advances in Oto-Rhino-Laryngology, ISSN 0065-3071, E-ISSN 1662-2847, Vol. 41, p. 109-115Article in journal (Refereed)
  • 1191777.
    Ödkvist, Lars
    et al.
    Linköping University.
    Åstrand, I.
    Arbetsmiljöinstitutet.
    Larsby, Birgitta
    Linköping University.
    Käll, K.
    Arbetsmiljöinstitutet.
    Ger lösningsmedel störningar i vestibulo-oculomotorsystemet ?1980In: Arbete och Hälsa, ISSN 0346-7821, Vol. 2, no 1Article in journal (Other academic)
  • 1191778.
    Ödkvist, LM
    et al.
    Östergötlands Läns Landsting.
    Larsby, Birgitta
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Technology in rotatory testing. 18th Bárány Society Meeting in Uppsala, June 6-8,1994.1994In: 18th Bárány Society Meeting in Uppsala, June 6-8,1994., 1994Conference paper (Other academic)
  • 1191779.
    Ödkvist, LM
    et al.
    Östergötlands Läns Landsting.
    Larsby, Birgitta
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Liedgren, Christer
    Östergötlands Läns Landsting.
    Influence of industrial solvents on the vestibular system.1978In: World congress on otolaryngology 1978, Miami Beach, 1978, p. 275-Conference paper (Other academic)
  • 1191780.
    Ödkvist, LM
    et al.
    Östergötlands Läns Landsting.
    Larsby, Birgitta
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Liedgren, Christer
    Östergötlands Läns Landsting.
    Nackafferenter and vestibularis. Sv Otolaryngol förening 1995;1:45-46.1995In: Sv Otolaryngol förening 1995, 1995, p. 45-46Conference paper (Other academic)
  • 1191781.
    Ödkvist, LM
    et al.
    Östergötlands Läns Landsting.
    Liedgren, Christer
    Östergötlands Läns Landsting.
    Larsby, Birgitta
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Integration mellan proprioception och N.Vestibularis i CNS.1974In: Läkaresällskapets riksstämma 1974., 1974Conference paper (Other academic)
  • 1191782.
    Ödkvist, LM
    et al.
    Östergötlands Läns Landsting.
    Thell, Jan
    Östergötlands Läns Landsting.
    Bengtsson, Ann
    Östergötlands Läns Landsting.
    Larsby, Birgitta
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    Vertigo in fibromyalgi1986In: In: Claussen C-F, Kirtane MV, editors. Vertigo,nausea, tinnitus and hearing loss in cardiovascular diseases.: Elsevier SciencePublishers B.V. 1986 / [ed] Claussen C-F, Kirtane MV, 1986, p. 429-433Conference paper (Other academic)
  • 1191783.
    Ödkvist, LM
    et al.
    Östergötlands Läns Landsting.
    Thell, Jan
    Östergötlands Läns Landsting.
    Larsby, Birgitta
    Linköping University, Department of Clinical and Experimental Medicine, Technical Audiology. Linköping University, Faculty of Health Sciences.
    A Comparison between Smooth Pursuit and Visual Suppression1988In: In Adv. Oto-Rhino-Laryng. Vol 41, 109-115. / [ed] Pirodda E, Pompeiano O., 1988, p. 109-115Conference paper (Refereed)
  • 1191784.
    Ödkvist, Magnus
    Linköping University, Department of Mechanical Engineering.
    Konceptstudie av kombinerad nödgenerator-trädgårdsredskap: Concept Study of a Combined Emergency Generator-Garden tool2005Student paper second termStudent thesis
    Abstract [en]

    The present study concerns a concept development of a product idea that Bengt Magnuson, associate professor, had when a heavy storm caused a widespread power failure of long duration. With a basic power-producing unit one should be able to get through a power loss. The product could also be useful for other tasks if different modules are connected, e g grass mower or snow-blower.

    According to the product idea the basic unit will be able to produce electric power enough for a fridge, freezer, TV, and a few electric lamps. Normally the basic unit can be used e g as a mower, when such a module is attached. An increased number of tasks would make the contraption useful and tempting for those who do not own an electrical power set in reserve. The study was limited, not involving the construction and characteristics of the power set, as such systems already exist. Power sets will be discussed according to size, weight, and effect to estimate there suitability in the base unit. Also was a consumers investigation not Per-formed, as the study is supposed to produce a basis for such an enquiry.

    During the concept development, five ideas were compared in order to reach the best solution. This solution was compared to the alternative solutions which were brought forward at the critical scrutinisation of the product idea.

    The result that was reached implied that the product would deflect buyers due to the considerable weight. Even if the weight would be reduced by making the generator unit lighter, two alternative solutions were considered better. One of them would use an alternator and put it on a modified mower with an extra shaft-coupling. The other one would be to add an alternator generator to a system already on the market, where the same motor could be moved between different products.

    In conclusion: One should not continue further development of the original product idea but instead use one of the alternative solutions and perform a consumer’s investigation on that one. It is important as a need for an electricity supply in reserve seems to exist for many people outside the central urban areas.

  • 1191785.
    Ödliing, Gunvor
    et al.
    Mid Sweden University, Faculty of Human Sciences, Department of Health Sciences.
    Danielson, E
    Mid Sweden University, Faculty of Human Sciences, Department of Health Sciences.
    Borup, S
    Norberg, A
    Personalens syn på bröstcancer och omvårdnad av kvinnor som opererats för bröstcancer.: Paper presenterat vid Årligt möte för psykosocial forskning om bröstcancer, Karolinska sjukhuset i Stockholm.1997Conference paper (Other scientific)
  • 1191786.
    Ödling, Amanda
    Stockholm University, Faculty of Social Sciences, Department of Human Geography.
    Hammarby sjöstad - Sprickor i den hållbara fasaden?: En studie om hållbar utveckling i miljöprofilsområden2014Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [sv]

    Hållbar utveckling är ett hett ämne just nu då den globala uppvärmningen är på frammarsch. Allt fler områden utger sig för att var hållbara miljöprofilsområden som står till gagn för ett ekologiskt, ekonomiskt och socialt hållbart samhälle. Medan många argumenterar för att dessa områden utgör en positiv utveckling för människan och miljön finns även de som antyder det motsatta.

    I denna studie undersöks miljöprofilsområdet Hammarby sjöstad och huruvida stadsdelen är hållbar eller inte utifrån valda kriterier. Arbetet fokuseras kring de sociala och ekologiska hållbarhetsaspekterna. Den sociala hållbarheten undersöks med hjälp av segregationsteorierna marknadshypotesen och statushypotesen. Jämförelser görs dessutom med övriga miljöprofilsområdena i Stockholm för att påvisa i vilken utsträckning stadsdelen är en förebild för kommande projekt. I analysen diskuteras det ifall Hammarby sjöstad är en lämplig förebild i miljöprofilering eller inte.

  • 1191787.
    Ödling, Andreas
    KTH, School of Information and Communication Technology (ICT).
    Analysis and Optimisation of Communication Links for Signal Processing Applications2012Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
    Abstract [en]

    There are lots of communication links and standards currently being employed to build systems today. These methods are in many way standardised, but far from everyone of them are. The trick is to select the communication method that best suit your needs. Also there is currently a trend that things have to be cheaper and have shorter time to market. That leads to more Component Off The Shelf (COTS) systems being build using commodity components.

    As one part of this work, Gigabit Ethernet is evaluated as a COTS-solution to building large, high-end systems. The computers used are running Windows and the protocol used over Ethernet will be both TCP and UDP. In this work an attempt is also made to evaluate one of the non-standard protocols, the Link Port protocol for the TigerSHARC 20X-series, which is a narrow-bus, doubledata- rate protocol, able to provide multi-gigabit-per-second performance.

    The studies have shown lots of interesting things, e.g. that using a standard desktop computer and network card, the theoretical throughput of TCP over Gigabit Ethernet can almost be met, reaching well over 900 Mbps. UDP performance gives on the other hand birth to a series of new questions about how to achieve good performance in a Windows environment, since it is constantly outperformed by the TCP connections.

    For the Link Port assessment a custom built IP block is made that is able to support the protocol in full speed, using a Xilinx Virtex 6 FPGA. The IP block is verified through simulation against a model of the Link Port protocol. It is also shown that the transmitter of the IP block is able to send successfully to the receiver IP block. The IP block that is created, is evaluated against some competing multi-gigabit protocols to show it in comparison, and it is a rather small IP block, capable of handling all transactions on the bus as long as data is provided by its host.

  • 1191788.
    Ödling, Andreas
    Umeå University, Faculty of Science and Technology, Ecology and Environmental Science.
    Ljudnivån i förskola före och efter införandet av ljudnivåvakten soundear20002005Independent thesis Advanced level (degree of Master (One Year)), 20 credits / 30 HE creditsStudent thesis
  • 1191789.
    Ödling, Annika
    et al.
    Umeå University, Faculty of Medicine, Department of Nursing.
    Seijsing, Louise
    Umeå University, Faculty of Medicine, Department of Nursing.
    Naturpromenaders påverkan på personer med mental ohälsa: En litteraturstudie2015Independent thesis Basic level (professional degree), 10 credits / 15 HE creditsStudent thesis
  • 1191790.
    Ödling, Camilla
    et al.
    Umeå University, Faculty of Social Sciences, Umeå School of Business and Economics (USBE), Business Administration.
    Täfvander, Jennifer
    Umeå University, Faculty of Social Sciences, Umeå School of Business and Economics (USBE), Business Administration.
    Insourcing after outsourcing, A study of the opportunities and challenges in the insourcing process2017Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
    Abstract [en]

    Outsourcing has been a common topic in relation to business strategy for many decades. It is when an organization transfer some activities to an external vendor. In order to achieve a competitive advantage organizations use external vendors to perform the activities more efficiently and effectively. The global competitive environment has increased the use of outsourcing worldwide, concequently the use of outsourcing has changed the boundaries of todays firms. Lately, backsourcing has gained more attention, which is when an organization has outsourced an activity that was previously executed in house, and then bring it back into the organization again. Insourcing on the other hand, has been given less attention. It is when an outsourced activity that has not been executed within the organization previously, is internalized. The reason for choosing this research topic was that we wanted to write about something that could be applied to the “real world” and the decisions that business leaders face in their occupation. Therefore, when we were offered the chance to write our degree project for Alfa Sweden we accepted their proposal.

    We identified two main research gaps in the existing research regarding insourcing, there is no study that covers the insourcing process and the steps inherent in it. Additionally, how the organization’s capabilities are linked to the opportunities and challenges organizations face during insourcing, has not been examined before. Therefore, the purpose of this thesis is to build a model of the insourcing process and the steps included in each phase of the process. Additionally, to explore the opportunities and challenges that can arise when organizations go through the insourcing process. These opportunities and challenges will be connected to the company’s capabilities, meaning its resources and competences.

    In order to fulfill this purpose and gain a deeper understanding of this relatively unexplored field, a qualitative study was conducted. Eight semi-structured interviews were pursued where seven interviewees represented different companies belonging to the same group and one interviewee represented the perspective of an accountant firm.

    From the results of the interviews, we derived four themes, namely design of the sourcing solution, the insourcing process, resources and competences. Through analyzing the results of our study we have been able to create a model for what the insourcing process looks like and the steps included in the planning, implementation and control phase. This model can contribute and guide companies who are planning to insource certain activities in the future. Furthermore, our results revealed several opportunities and challenges and their connection to the company’s resources and competences. In addition to these theoretical contributions and practical implications we also provide practical recommendations for Alfa Sweden. 

  • 1191791. Ödling, Daniel
    Visualisering i tidiga skeden av byggprocessen2002Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
  • 1191792.
    Ödling, David
    KTH, School of Engineering Sciences (SCI), Mathematics (Dept.), Optimization and Systems Theory.
    A metaheuristic for vehicle routing problems based on reinforcement learning2018Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
    Abstract [en]

    The vehicle routing problem is an old and well-studied problem that arise in last mile logistics. The rapid increase of e-commerce, in particular with an increasing the demand for time scheduled home deliveries on the customer’s terms, is making the problem ever more relevant. By minimizing the cost and environmental impact, we have the setting for mathematical problem called the vehicle routing problem with time windows.

    Since the problem is NP-Hard, heuristic methods are often used. In practice, they work very well and typically offer a good tradeoff between speed and quality. However, since the heuristics are often tailormade to fit the needs of the underlying problem, no known algorithm dominates the other on all problems.

    One way to overcome the need for specialization is to produce heuristics that are adaptive. In this thesis, an offline learning method is proposed to generate an adaptive heuristic using local search heuristics and reinforcement learning.

    The reinforcement learning agents explored in this thesis are situated in both discrete and continuous state representations. Common to all state spaces are that they are inspired by human-crafted reference models where the last action and the result of that action define the state. Four different reinforcement learning models are evaluated in the various environments.

    By evaluating the models on a subset of the Solomon benchmark instances, we find that all models but one improve upon a random baseline. The average learner from each of the successful models was slightly worse than the human crafted baseline. However, the best among the generated models was an actor-critic based model which outperformed the best human baseline model.

    Due to the scalar objective function, the results are not directly comparable to the Solomon benchmark results with hierarchal objectives. None the less, the results are encouraging as a proof of principle with results in line with the human crafted baseline. The results indicate two clear paths for further work. First, applying the formulation to more complex environments with more actions and more powerful state spaces. Secondly, investigate models based on stochastic policies and recurrent neural networks to cope with the inherently partially observed environment.

  • 1191793.
    Ödling, David
    et al.
    KTH, School of Engineering Sciences (SCI).
    Österlund, Arvid
    KTH, School of Engineering Sciences (SCI).
    Factorisation of Latent Variables in Word Space Models: Studying redistribution of weight on latent variables2014Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    The ultimate goal of any DSM is a scalable and accurate representation of lexical semantics.

    Recent developments due to Bullinaria & Levy (2012) and Caron (2001) indicate that the accuracy of such models can be improved by redistribution of weight on the principal components. However, this method is poorly understood and barely replicated due to the computational expensive dimension reduction and the puzzling nature of the results. This thesis aims to explore the nature of these results. Beginning by reproducing the results in Bullinaria & Levy (2012) we move onto deepen the understanding of these results, quantitatively as well as qualitatively, using various forms of the BLESS test and juxtapose these with previous results. 

    The main result of this thesis is the verification of the 100% score on the TOEFL test and 91.5% on a paradigmatic version of the BLESS test. Our qualitative tests indicate that the redistribution of weight away from the first principal components is slightly different between word categories and hence the improvement in the TOEFL and BLESS results. While we do not find any significant relation between word frequencies and weight distribution, we find an empirical relation for the optimal weight distribution.

    Based on these results, we suggest a range of further studies to better understand these phenomena.

  • 1191794.
    Ödling Davidsson, Fredrik
    et al.
    Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Surgery.
    Johagen, Daniel
    Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences.
    Appelblad, Micael
    Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences.
    Svenmarker, Staffan
    Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences.
    Reversal of Heparin After Cardiac Surgery: Protamine Titration Using a Statistical Model2015In: Journal of Cardiothoracic and Vascular Anesthesia, ISSN 1053-0770, E-ISSN 1532-8422, Vol. 29, no 3, p. 710-714Article in journal (Refereed)
    Abstract [en]

    Objective: To establish a statistical model for determination of protamine dose in conjunction with cardiopulmonary bypass. Design: Prospective.

    Setting: University hospital.

    Participants: Ninety consecutive cardiac surgical patients.

    Interventions: None.

    Measurements and Main Results: A series of clinically oriented variables were introduced into a statistical model for projection of the protamine dose after cardiopulmonary bypass. The following significant predictors were identified using multivariable regression analysis: The patient's body surface area, the administered dose of heparin, heparin clearance, and the preoperative platelet count. The statistical model projected the protamine dose within 3 +/- 23 mg of the point-of-care test used as reference.

    Conclusion: Protamine dosing based on statistical modeling represents an alternative to point-of-care tests.

  • 1191795.
    Ödling, Emma
    Umeå University, Faculty of Social Sciences, Department of Political Science.
    Miljökvalitetsmålen2007Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
  • 1191796.
    Ödling, Emma
    Umeå University, Faculty of Social Sciences, Department of Political Science.
    Trettonde partskonferensen på Bali, Indonesien 20072008Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
  • 1191797.
    Ödling, Evelina
    et al.
    Umeå University, Faculty of Medicine, Department of Nursing.
    Engström, Lovisa
    Umeå University, Faculty of Medicine, Department of Nursing.
    Erfarenheter av stigmatisering i hälso- och sjukvården bland personer som drabbats av HIV.: -en litteraturstudie2016Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Title: Experiences of stigma in health care among people affected by HIV- A literature review Background: HIV (Human Immunodeficiency Virus) has been associated with stigmatization for a long time because of ignorance and uncertainty still exists regarding the transmission routes and infectivity. Aim: The aim for the study was to highlight experiences of stigma in health care among people affected by HIV. Method: A literature study was conducted with ten qualitative articles from eight different countries. The articles were examined, analyzed and compiled. Results: The result generated two categories and five subcategories. The categories are: To be treated with a lack of care actions and experiences of integrity violation. The sub-categories are: excessive security measures, ignorant attitudes, lack of secrecy, offensive body language and abusive verbal communication.                                                                   Conclusion: Lack of knowledge about HIV can be seen internationally seen as a contributing factor to the patients still experiencing varying stigmatized treatment by health professionals. To counteract the stigma requires research that can generate knowledge on how health professionals can provide better treatment and that this information is disseminated to the medical staff. Keywords: HIV, stigmatization, patient-experience, discrimination.

  • 1191798.
    Ödling, Gunvor
    Mid Sweden University, Faculty of Human Sciences, Department of Health Sciences.
    Omvårdnadshandledning.: Medverkan i symposium - Professionell växt genomhandledning. 5:e Kirurgveckan i Östersund 21-25 aug.2000Conference paper (Other academic)
  • 1191799.
    Ödling, Gunvor
    Umeå University, Faculty of Medicine, Department of Nursing.
    Professional caregivers’ experiences of caring for women with breast cancer on a surgical ward2004Doctoral thesis, comprehensive summary (Other academic)
    Abstract [en]

    The overall aim of the thesis was to describe caregivers’ experiences of caring for women with breast cancer on a surgical ward. The study was based on interviews with narrative parts and tape-recorded clinical supervision sessions. The interviews and clinical supervision sessions were transcribed verbatim, and analysed by content analysis.

    Nurses (n=10) described life for women with breast cancer as either having freedom or not having freedom, with both physical and existential suffering. Dying occurred either naturally in patients’ own home or unnaturally in hospital. The nurses felt that it is possible to alleviate suffering during dying through providing adequate pain relief but also, through listening, providing information and changing the caring atmosphere (I).

    Breast cancer as an illness was described from a dark point of view by caregivers (n=37). The descriptions focused on loss of breasts and control, progression of the illness and annihilation. The illness seemed, in the caregivers’ mind, to often end with a painful death. Caregivers who had the opportunity to follow the total care process described a lighter viewpoint (II).

    According to nurses (=31) the most important needs among women, their relatives and nurses themselves were the needs to talk and receive information. There was a discrepancy between what was described as important needs and the descriptions of how these needs were provided for. Nurses, whose own needs for support were sometimes unsatisfactorily met (III), seemed almost to be unaware of the needs among women and their relatives.

    In the clinical supervision sessions caregivers reflected on difficult care situations related to women’s, relatives’, and most often caregivers’ feelings (n=38). The care situations were described as evoking feelings of discomfort, powerlessness and reduced self-esteem. These feelings were described by caregivers as arising in connection with caring for especially women with advanced breast cancer in a changing organisation (IV).

    Caregivers’ descriptions of caring for women with breast cancer show a lot of negative experiences of powerlessness and frustration. They met women and their relatives who suffered in various ways and had considerable need for support. Caregivers often found themselves unable to meet these needs due to organisational obstacles e.g. lack of time and lack of knowledge about other caregivers’ responsibility in the care.

  • 1191800.
    Ödling, Gunvor
    Mid Sweden University, Faculty of Human Sciences, Department of Health Sciences.
    Professional caregivers' experiences of caring for women with breast cancer on a surgical ward2004Doctoral thesis, monograph (Other scientific)
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