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Sökning: WFRF:(Heinonen Ari) > (2012)

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1.
  • Heiskanen, Tuija, et al. (författare)
  • Virtual reality-multiple dimensions for rehabilitation
  • 2012
  • Ingår i: COTEC- International congress of occupational therapy, 24-27maj 2012, Stockholm..
  • Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract
    • Introduction: There are numerous ways to utilize virtual reality (VR) in rehabilitation. For clients and professionals VR promotes digital inclusion in rehabilitation programs. Aim: to evaluate the evidence for the effectiveness of virtual rehabilitation on occupational performance in adult stroke patients' rehabilitation. Methods: The systematic review was conducted to identify published randomized controlled trials (RCT) from several databases. The quality of evidence was graded with GRADE (Grading of Recommendation Assessment, Development and Evaluation) method. Results: Ten RCT studies identified. The quality of evidence on the effectiveness of using VR in the stroke rehabilitation was very low or low. Conclusion: The current evidence on the effectiveness of using VR in the stroke rehabilitation is limited. Any recommendations of using VR in stroke rehabilitation cannot be made due to limited evidence. Further research concerning virtual rehabilitation in group-based rehabilitation and organizing rehabilitation in rural areas is needed.
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2.
  • Laurén, Ari, et al. (författare)
  • Nitrogen and Carbon Dynamics and the Role of Enchytraeid Worms in Decomposition of L, F and H Layers of Boreal Mor
  • 2012
  • Ingår i: Water, Air and Soil Pollution. - : Springer Science and Business Media LLC. - 0049-6979 .- 1573-2932. ; 223:7, s. 3701-3719
  • Tidskriftsartikel (refereegranskat)abstract
    • Decomposition of organic material releases carbon dioxide (CO2) into the atmosphere, and dissolved organic carbon (DOC), dissolved organic nitrogen (DON) and ammonium (NH4-N) into soil water. Each of the decomposition products contributes differently to overall export of carbon (C) and nitrogen (N) to water courses. Our aim was to study the quantity and composition of the released C and N as affected by the organic material and soil fauna, represented by enchytraeid worms. We measured the release rate of carbon dioxide, and calculated the release rates for DOC and dissolved N in soil from repeated measurements of DOC and N pools during laboratory incubation of litter (L), fermented (F) and humus (H) layers of boreal forest mor. The intermediate decomposition products, DOC and DON, were characterised according to the molecule size. The release rate of the decomposition products was higher for fresh than for old organic material. The majority of N and C were released as NH4-N and CO2, respectively. The amount of extractable organic N in soil decreased by time but DON increased. Enchytraeids stimulated N mineralisation and the release of large molecule size DOC, particularly in L layer. The results suggest that organic N in extractable form biodegrades effectively, and that soil fauna have an important role in the decomposition. The results were interpreted from the water quality point of view and the implications of the results to modelling of decomposition and export of DOC and dissolved N to recipient water bodies are discussed. In the modelling context, the novelty of the study is the description of the intermediate decomposition products and the division of the dissolved organic compounds into low molecular weight and high molecular weight fractions.
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