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- 2019
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Tidskriftsartikel (refereegranskat)
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- Jones, Benedict C, et al.
(författare)
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To which world regions does the valence-dominance model of social perception apply?
- 2021
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Ingår i: Nature Human Behaviour. - : Springer Science and Business Media LLC. - 2397-3374. ; 5:1, s. 159-169
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Tidskriftsartikel (refereegranskat)abstract
- Over the past 10 years, Oosterhof and Todorov's valence-dominance model has emerged as the most prominent account of how people evaluate faces on social dimensions. In this model, two dimensions (valence and dominance) underpin social judgements of faces. Because this model has primarily been developed and tested in Western regions, it is unclear whether these findings apply to other regions. We addressed this question by replicating Oosterhof and Todorov's methodology across 11 world regions, 41 countries and 11,570 participants. When we used Oosterhof and Todorov's original analysis strategy, the valence-dominance model generalized across regions. When we used an alternative methodology to allow for correlated dimensions, we observed much less generalization. Collectively, these results suggest that, while the valence-dominance model generalizes very well across regions when dimensions are forced to be orthogonal, regional differences are revealed when we use different extraction methods and correlate and rotate the dimension reduction solution. PROTOCOL REGISTRATION: The stage 1 protocol for this Registered Report was accepted in principle on 5 November 2018. The protocol, as accepted by the journal, can be found at https://doi.org/10.6084/m9.figshare.7611443.v1 .
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- Nagueh, Sherif F., et al.
(författare)
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Interobserver Variability in Applying American Society of Echocardiography/European Association of Cardiovascular Imaging 2016 Guidelines for Estimation of Left Ventricular Filling Pressure
- 2019
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Ingår i: Circulation Cardiovascular Imaging. - 1941-9651 .- 1942-0080. ; 12:1
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND:Assessment of left ventricular (LV) filling pressure is among the important components of a comprehensive echocardiographic report. Previous studies noted wide limits of agreement using 2009 American Society of Echocardiography/European Association of Echocardiography guidelines, but reproducibility of 2016 guidelines update in estimating LV filling pressure is unknown.METHODS:Echocardiographic and hemodynamic data were obtained from 50 patients undergoing cardiac catheterization for clinical indications. Clinical and echocardiographic findings but not invasive hemodynamics were provided to 4 groups of observers, including experienced echocardiographers and cardiology fellows. Invasively acquired LV filling pressure was the gold standard.RESULTS:In group I of 8 experienced echocardiographers from the guidelines writing committee, sensitivity for elevated LV filling pressure was 92% for all observers, and specificity was 93 +/- 6%. Fleiss kappa-value for the agreement in group I was 0.80. In group II of 4 fellows in training, sensitivity was 91 +/- 2%, and specificity was 95 +/- 2%. Fleiss kappa-value for the agreement in group II was 0.94. In group III of 9 experienced echocardiographers who had not participated in drafting the guidelines, sensitivity was 88 +/- 5%, and specificity was 91 +/- 7%. Fleiss kappa-value for the agreement in group III was 0.76. In group IV of 7 other fellows, sensitivity was 91 +/- 3%, and specificity was 92 +/- 5%. Fleiss kappa-value for the agreement in group IV was 0.89.CONCLUSIONS:There is a good level of agreement and accuracy in the estimation of LV filling pressure using the American Society of Echocardiography/European Association of Cardiovascular Imaging 2016 recommendations update, irrespective of the experience level of the observer.
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- Tsiartas, P., et al.
(författare)
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Seven days ex vivo perfusion of whole ewe ovaries with follicular maturation and oocyte retrieval: towards the development of an alternative fertility preservation method
- 2022
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Ingår i: Reproduction Fertility and Development. - : CSIRO Publishing. - 1031-3613 .- 1448-5990. ; 34:3, s. 331-342
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Tidskriftsartikel (refereegranskat)abstract
- Fertility preservation methods for prepubertal women about to undergo gonadotoxic chemo and/or radiation therapy are limited. Therefore, the aim of this study was to investigate the feasibility to develop an alternative fertility preservation method based on an ex vivo perfusion platform for whole ewe ovaries. Thirteen ewe ovaries were divided into two groups (group 1 and 2) that were perfused in a bioreactor for up to 7 days. Group 1 (n = 3) were stimulated with human menopausal gonadotropin (hMG) administered in single daily dose, while group 2 (n = 10) were stimulated continuously for 24 h. The perfused ovaries in group 1 showed no significant differences in follicular density, sub-follicular morphology and oocyte quality after ischaemia and after ex vivo perfusion compared with non-perfused control ovaries. The perfused ovaries in group 2 showed a significant decrease in the follicular reserve and oocyte quality compared with the control group. In total, 16 GV-MI oocytes were retrieved from both groups. This study describes for the first time the ex vivo maintenance of viable follicles of ewe ovaries with oocyte integrity and the retrieval of oocytes after ex vivo hormonal perfusion with two different protocols for up to 7 days.
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- Autili, M., et al.
(författare)
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A Software Exoskeleton to Protect and Support Citizen's Ethics and Privacy in the Digital World
- 2019
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Ingår i: Ieee Access. - : Institute of Electrical and Electronics Engineers (IEEE). - 2169-3536. ; 7, s. 62011-62021
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Tidskriftsartikel (refereegranskat)abstract
- Citizens of the digital world are threatened. The digital systems that surround them are increasingly able to make autonomous decisions over and above them and on their behalf. They feel that their moral rights, as well as the social, economic, and political spheres, can be affected by the behavior of such systems. Although unavoidable, the digital world is becoming uncomfortable and potentially hostile to its users as human beings and as citizens. Notwithstanding the introduction of the GDPR and of initiatives to establish criteria on software transparency and accountability, users feel vulnerable and unprotected. In this paper, we present EXOSOUL, an overarching research framework that aims at building a software a personalized exoskeleton that enhances and protects users by mediating their interactions with the digital world according to their own ethics of actions and privacy of data. The exoskeleton disallows or adapts the interactions that would result in unacceptable or morally wrong behaviors according to the ethics and privacy preferences of the users. With their software shield, users will feel empowered and in control, and more in the balance of forces with the other actors of the digital world. To reach the breakthrough result of automatically building a personalized exoskeleton, EXOSOUL identifies multidisciplinary challenges never touched before: 1) defining the scope for and inferring citizen's ethical preferences; 2) treating privacy as an ethical dimension managed through the disruptive notion of active data; and 3) automatically synthesizing ethical actuators, i.e., connector components that mediate the interaction between the user and the digital world to enforce her ethical preferences. In this paper, we discuss the research challenges of EXOSOUL in terms of their feasibility and risks.
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