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- Farr, W. J., et al.
(författare)
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Current issues and challenges in research on virtual reality therapy for children with neurodisability
- 2016
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Ingår i: Proceedings of the 11th International Conference in Disability, Virtual Reality and Associated Technologies, Los Angeles, California, USA, 20-22 September, 2016. - 9780704915473
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Konferensbidrag (refereegranskat)abstract
- A PICO (population, intervention, comparison, outcome) approach is adopted to discuss issues and challenges in virtual reality therapy research in community health settings. Widespread variation within and between populations, e.g. co-morbid conditions, complicates treatment fidelity and applicability. Interventions require flexible dose and frequency to fit into children’s family circumstances, with clearly employed specialist paediatric research staff. Comparisons require adaptation to digital technology, and keep pace with development. Outcomes may overstate the impact of virtual reality therapy and technological novelty, while not fully unpacking hidden digital effects. A wide set of agreed, flexible, and patient-centred outcome measures are required to establish positive clinical baseline.
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- Farr, W., et al.
(författare)
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Therapeutic potential and ownership of commercially available consoles in children with cerebral palsy
- 2017
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Ingår i: British Journal of Occupational Therapy. - : Sage Publications. - 0308-0226 .- 1477-6006. ; 80:2, s. 108-116
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Tidskriftsartikel (refereegranskat)abstract
- Introduction:We conducted a survey amongst families of children with cerebral palsy to ascertain the ownership and therapeutic use and potential of commercial games consoles to improve motor function.Method:Three hundred families in South East England were identified through clinical records, and were requested to complete an anonymised questionnaire.Results: A total of 61 families (20% response) returned a completed questionnaire with 41 (68%) identified males and 19 (32%) identified females with cerebral palsy, with a mean age of 11 years 5 months (SD 3Y 7M). The large majority of families, 59 (97%), owned a commercial console and the child used this for 50-300 minutes a week. Returns by severity of motor impairment were: Gross Motor Function Classification System I (22%), II (32%), III (13%), IV (15%), V (18%). Consoles were used regularly for play across all Gross Motor Function Classification System categories.Conclusion: The potential of games consoles, as home-based virtual reality therapy, in improving the motor function of children with cerebral palsy should be appropriately tested in a randomised controlled trial. Wide ownership, and the relative ease with which children engage in the use of commercially-based virtual reality therapy systems, suggests potential as a means of augmenting therapy protocols, taking advantage of interest and participation patterns of families.
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- Kleijn, David, et al.
(författare)
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Delivery of crop pollination services is an insufficient argument for wild pollinator conservation.
- 2015
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Ingår i: Nature Communications. - : Springer Science and Business Media LLC. - 2041-1723. ; 6
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Tidskriftsartikel (refereegranskat)abstract
- There is compelling evidence that more diverse ecosystems deliver greater benefits to people, and these ecosystem services have become a key argument for biodiversity conservation. However, it is unclear how much biodiversity is needed to deliver ecosystem services in a cost-effective way. Here we show that, while the contribution of wild bees to crop production is significant, service delivery is restricted to a limited subset of all known bee species. Across crops, years and biogeographical regions, crop-visiting wild bee communities are dominated by a small number of common species, and threatened species are rarely observed on crops. Dominant crop pollinators persist under agricultural expansion and many are easily enhanced by simple conservation measures, suggesting that cost-effective management strategies to promote crop pollination should target a different set of species than management strategies to promote threatened bees. Conserving the biological diversity of bees therefore requires more than just ecosystem-service-based arguments.
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- Giménez-García, Angel, et al.
(författare)
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Pollination supply models from a local to global scale
- 2023
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Ingår i: Web Ecology. - 1399-1183. ; 23:2, s. 99-129
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Tidskriftsartikel (refereegranskat)abstract
- Ecological intensification has been embraced with great interest by the academic sector but is still rarely taken up by farmers because monitoring the state of different ecological functions is not straightforward. Modelling tools can represent a more accessible alternative of measuring ecological functions, which could help promote their use amongst farmers and other decision-makers. In the case of crop pollination, modelling has traditionally followed either a mechanistic or a data-driven approach. Mechanistic models simulate the habitat preferences and foraging behaviour of pollinators, while data-driven models associate georeferenced variables with real observations. Here, we test these two approaches to predict pollination supply and validate these predictions using data from a newly released global dataset on pollinator visitation rates to different crops. We use one of the most extensively used models for the mechanistic approach, while for the data-driven approach, we select from among a comprehensive set of state-of-The-Art machine-learning models. Moreover, we explore a mixed approach, where data-derived inputs, rather than expert assessment, inform the mechanistic model. We find that, at a global scale, machine-learning models work best, offering a rank correlation coefficient between predictions and observations of pollinator visitation rates of 0.56. In turn, the mechanistic model works moderately well at a global scale for wild bees other than bumblebees. Biomes characterized by temperate or Mediterranean forests show a better agreement between mechanistic model predictions and observations, probably due to more comprehensive ecological knowledge and therefore better parameterization of input variables for these biomes. This study highlights the challenges of transferring input variables across multiple biomes, as expected given the different composition of species in different biomes. Our results provide clear guidance on which pollination supply models perform best at different spatial scales-the first step towards bridging the stakeholder-Academia gap in modelling ecosystem service delivery under ecological intensification.
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- van Rheenen, Wouter, et al.
(författare)
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Genome-wide association analyses identify new risk variants and the genetic architecture of amyotrophic lateral sclerosis
- 2016
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Ingår i: Nature Genetics. - : Springer Science and Business Media LLC. - 1061-4036 .- 1546-1718. ; 48:9, s. 1043-1048
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Tidskriftsartikel (refereegranskat)abstract
- To elucidate the genetic architecture of amyotrophic lateral sclerosis (ALS) and find associated loci, we assembled a custom imputation reference panel from whole-genome-sequenced patients with ALS and matched controls (n = 1,861). Through imputation and mixed-model association analysis in 12,577 cases and 23,475 controls, combined with 2,579 cases and 2,767 controls in an independent replication cohort, we fine-mapped a new risk locus on chromosome 21 and identified C21orf2 as a gene associated with ALS risk. In addition, we identified MOBP and SCFD1 as new associated risk loci. We established evidence of ALS being a complex genetic trait with a polygenic architecture. Furthermore, we estimated the SNP-based heritability at 8.5%, with a distinct and important role for low-frequency variants (frequency 1-10%). This study motivates the interrogation of larger samples with full genome coverage to identify rare causal variants that underpin ALS risk.
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