| 1. |
- Locke, Adam E, et al.
(författare)
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Genetic studies of body mass index yield new insights for obesity biology.
- 2015
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Ingår i: Nature. - : Springer Science and Business Media LLC. - 0028-0836 .- 1476-4687. ; 518:7538, s. 197-401
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Tidskriftsartikel (refereegranskat)abstract
- Obesity is heritable and predisposes to many diseases. To understand the genetic basis of obesity better, here we conduct a genome-wide association study and Metabochip meta-analysis of body mass index (BMI), a measure commonly used to define obesity and assess adiposity, in up to 339,224 individuals. This analysis identifies 97 BMI-associated loci (P < 5 × 10(-8)), 56 of which are novel. Five loci demonstrate clear evidence of several independent association signals, and many loci have significant effects on other metabolic phenotypes. The 97 loci account for ∼2.7% of BMI variation, and genome-wide estimates suggest that common variation accounts for >20% of BMI variation. Pathway analyses provide strong support for a role of the central nervous system in obesity susceptibility and implicate new genes and pathways, including those related to synaptic function, glutamate signalling, insulin secretion/action, energy metabolism, lipid biology and adipogenesis.
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| 2. |
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| 3. |
- Eriksson, Kent, 1964-, et al.
(författare)
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Cultural diversity and culture specific experiences effect on development of institutional experiential knowledge in SMEs
- 2004
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Ingår i: International Journal of Entrepreneurship and Small Business. - : InderScience Publishers. - 1476-1297 .- 1741-8054. ; 1:1/2, s. 100-120
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Tidskriftsartikel (refereegranskat)abstract
- Institutional experiential knowledge results from experience of cultural diversity and culture specific experiences. It is studied empirically through a field-scenario questionnaire of ongoing business relationships. Cultural diversity has a negative effect on a firm's institutional experiential knowledge, whereas culture specific experience has a positive effect. These two experiences contribute very differently to the development of institutional experiential knowledge and the interaction effect should enable one to differentiate kinds of experience, and thus gain greater insight into scale and scope economies.
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| 4. |
- Eriksson Sörman, Daniel, 1974-, et al.
(författare)
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Relationships between Dota 2 expertise and decision-making ability
- 2022
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Ingår i: PLOS ONE. - : Public Library of Science. - 1932-6203. ; 17:3
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Tidskriftsartikel (refereegranskat)abstract
- Esports is an often time-consuming activity that has become increasingly popular with billions of players all over the world. The objective of this study was to investigate if there is a relationship between skill level in the strategy video game Dota 2, a game that places many demands on decision making to be successful, and decision making under ambiguity and experience as measured by performance in the Iowa Gambling Task (IGT), a task known to have ecological validity. Two indicators of players’ performance in Dota 2, namely match-making rating (MMR) and Medal, were used as predictors of performance in the IGT in path models. Results showed that Medal was a significant predictor of performance in IGT, while MMR score was borderline significant. The cognitive reflection task, included in the models as an indicator of the ability to engage in conscious, analytical, rational, and logical thinking, was a significant predictor of performance in IGT, and was significantly and positively related to MMR. The findings from this study give insight into the cognitive demands related to performance in Dota 2. Although results suggest that strategy video gaming may be a factor that contributes to increased decision making abilities, a reversed relationship is also possible, whereby individuals who are better at decision making are also more likely to become successful in Dota-2. More studies, preferably longitudinal, are needed to replicate the findings of this study and to establish the directionality between factors.
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| 5. |
- Holmgren, Jessica, et al.
(författare)
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Being perceived as a ‘visitor’ in the nursing staff’s working arena : the involvement of relatives in daily caring activities in nursing homes in an urban community in Sweden
- 2013
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Ingår i: Scandinavian Journal of Caring Sciences. - Oxford : Wiley-Blackwell. - 0283-9318 .- 1471-6712. ; 27:3, s. 677-685
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Tidskriftsartikel (refereegranskat)abstract
- BackgroundIt is both complex and difficult for relatives when a loved one moves into a nursing home and many relatives are not prepared for the realities these new situations entail. Little attention has been paid to scrutinising the involvement of relatives in patient care, particularly in relation to the structures and routines of nursing homes or to the staff's reasoning concerning their involvement.AimTo describe, from a gender perspective, how nursing staff's routines and reasoning act to condition the involvement of relatives in nursing homes.MethodsFocused ethnographic fieldwork was conducted in a medium-sized urban community in central Sweden in three different nursing homes.ResultsThe nursing staff assigns a certain code of conduct to all relatives they perceived as ‘visitors’ in their working arena. This code of conduct was related to the routines and subcultures existing among the nursing staff and stemmed from a division of labour; the underlying concept of ‘visitor’ predetermined the potential for relatives' involvement. This involvement is explicitly related to the general gendered characteristics that exist in the nursing staff's perception of the relatives.DiscussionThe study's limitations are primarily concerned with shortcomings associated with a research presence during the fieldwork. The discussion focuses on the dimensions of power structures observed in the nursing home routines and the staff's reasoning based on their gendered assumptions. We argue that it is important to develop mechanisms that provide opportunities for nursing staff in elderly care to reflect on these structures without downplaying the excellent care they provide. We stress the importance of further exploring these issues concerning relatives and their involvement in nursing homes to facilitate the transition from informal caregiver to ‘visitor’.
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| 6. |
- Holmgren, Jessica, associate professor, senior lecturer
(författare)
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Conditions for relatives' involvement in nursing homes
- 2015
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Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
- The overall aim of this thesis was to describe and analyse how the involvement of relatives is conditioned in nursing homes from different critical perspectives. Gender perspectives, discourse analysis and intersectional theory are applied, based on social constructionist ontology. The thesis comprises three qualitative papers and data are based on ethnographically-focused fieldwork in three municipal nursing homes in the form of formal/informal interviews, participating observations and the analysis of documents.Based on gender perspectives, the routines and reasonings among nursing staff were studied and thematically analysed in relation to how these conditioned the involvement of relatives in the daily caring activities (I). In the second study (II), the nursing staff were interviewed in groups to describe, discursively analyse and identify the biopolitical meaning in the "involvement discourse" that was collectively constructed in the speech of the nursing staff concerning the involvement of relatives. In the last study (III), interviews with relatives were thematically analysed in the context of intersectional theory about their involvement in the nursing homes.The findings show that the conditions for relatives’ involvement were dynamic and constantly in re-negotiation, but also conservative and inflexible. This placed relatives in both privileged and unprivileged social positions in the nursing homes, which were relevant for their involvement. The relatives were considered to be "visitors", which conditioned the characteristics and levels of involvement in the care of the residents and was linked to gendered notions of the division of labor, both within the groups of relatives and between nursing staff and relatives (I). The involvement of relatives was conditioned by the biopolitics of an "involvement discourse" that prevailed in the nursing homes. This built upon family-oriented rhetorics and metaphors that upheld and legitimised notions about relatives. The relatives were considered to be members of the "old" family in relation to the "new" family represented by the nursing staff (II). The relatives described how they were positioned in a betweenship, squeezed between different competing social musts from the older family members, the nursing homes as institutions and the nursing staff (III).Inverting the prevailing picture of the involvement of relatives would make it possible to consider the nursing staff as pedagogical, professional and caring "visitors" in the nursing homes for the benefit of the residents and their relatives. This could be achieved through a constructive change management which emphasises the learning of nursing staff, their responsibility and the emotions of relatives, along with a focus on alternative notions of involvement, where relatives are included in the development of quality of care in Swedish nursing homes.
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| 7. |
- Holmgren, Jessica, et al.
(författare)
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Intersectional perspectives on family involvement in nursing home care : rethinking relatives' position as a betweenship
- 2014
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Ingår i: Nursing Inquiry. - : John Wiley & Sons. - 1320-7881 .- 1440-1800. ; 21:3, s. 227-237
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Tidskriftsartikel (refereegranskat)abstract
- This study seeks to understand, in the context of intersectional theory, the roles of family members in nursing home care. The unique social locus at which each person sits is the result of the intersection of gender, status, ethnicity and class; it is situational, shifting with the context of every encounter. A content analysis of 15 qualitative interviews with relatives of nursing home residents in Sweden was used to gain a perspective on the relationships between relatives and residents, relatives and the nursing home as an institution, and relatives and the nursing home staff. We sought to understand these relationships in terms of gendered notions of the family and the residents, which are handed down from generation to generation and thus condition who and how relatives should be involved in care, and the ways in which relationships change as care moves from home to nursing home. It requires knowledge and awareness that the nursing home culture is based on intersectional power structures in order for relatives to be involved in nursing home care in alternative and individual ways.
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| 8. |
- Holmgren, Jessica, et al.
(författare)
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Replicating the Family : The Biopolitics of Involvement Discourses Concerning Relatives in Nursing Home Institutions
- 2014
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Ingår i: Aporia. - : Brigham Young University. - 1918-1345. ; 6:4, s. 19-29
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Tidskriftsartikel (refereegranskat)abstract
- The aim of this study was to describe the biopolitics of involvement discourses articulated by nursing staff concerning relatives in nursing home institutions, using a Foucault-inspired discourse analytical approach. Previous research has described how relatives have not been involved in nursing homes on their own terms. This is partly due to a lack of communication and knowledge, but it is also a consequence of an unclear organizational structure. Results from a discourse analysis of six focus group interviews with nursing staff show that the "involvement discourse" in nursing homes can be described as a "new" vs "old" family rhetoric. This rhetoric can be said to uphold, legitimize and provide different subject positions for both nursing staff and relatives concerning the conditions for involvement in nursing homes. As part of a "project of possibility" in elderly care, it may be possible to adopt a critical pedagogical approach among nursing staff in order to educate, strengthen and support them in reflecting on their professional norming and how it conditions the involvement of relatives.
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| 9. |
- Joshi, Peter K, et al.
(författare)
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Directional dominance on stature and cognition in diverse human populations
- 2015
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Ingår i: Nature. - : Springer Science and Business Media LLC. - 0028-0836 .- 1476-4687. ; 523:7561, s. 459-462
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Tidskriftsartikel (refereegranskat)abstract
- Homozygosity has long been associated with rare, often devastating, Mendelian disorders, and Darwin was one of the first to recognize that inbreeding reduces evolutionary fitness. However, the effect of the more distant parental relatedness that is common in modern human populations is less well understood. Genomic data now allow us to investigate the effects of homozygosity on traits of public health importance by observing contiguous homozygous segments (runs of homozygosity), which are inferred to be homozygous along their complete length. Given the low levels of genome-wide homozygosity prevalent in most human populations, information is required on very large numbers of people to provide sufficient power. Here we use runs of homozygosity to study 16 health-related quantitative traits in 354,224 individuals from 102 cohorts, and find statistically significant associations between summed runs of homozygosity and four complex traits: height, forced expiratory lung volume in one second, general cognitive ability and educational attainment (P < 1 × 10(-300), 2.1 × 10(-6), 2.5 × 10(-10) and 1.8 × 10(-10), respectively). In each case, increased homozygosity was associated with decreased trait value, equivalent to the offspring of first cousins being 1.2 cm shorter and having 10 months' less education. Similar effect sizes were found across four continental groups and populations with different degrees of genome-wide homozygosity, providing evidence that homozygosity, rather than confounding, directly contributes to phenotypic variance. Contrary to earlier reports in substantially smaller samples, no evidence was seen of an influence of genome-wide homozygosity on blood pressure and low density lipoprotein cholesterol, or ten other cardio-metabolic traits. Since directional dominance is predicted for traits under directional evolutionary selection, this study provides evidence that increased stature and cognitive function have been positively selected in human evolution, whereas many important risk factors for late-onset complex diseases may not have been.
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| 10. |
- van de Vegte, Yordi, et al.
(författare)
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Genetic insights into resting heart rate and its role in cardiovascular disease
- 2023
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Ingår i: Nature Communications. - : Springer Nature. - 2041-1723. ; 14:1
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Tidskriftsartikel (refereegranskat)abstract
- The genetics and clinical consequences of resting heart rate (RHR) remain incompletely understood. Here, the authors discover new genetic variants associated with RHR and find that higher genetically predicted RHR decreases risk of atrial fibrillation and ischemic stroke. Resting heart rate is associated with cardiovascular diseases and mortality in observational and Mendelian randomization studies. The aims of this study are to extend the number of resting heart rate associated genetic variants and to obtain further insights in resting heart rate biology and its clinical consequences. A genome-wide meta-analysis of 100 studies in up to 835,465 individuals reveals 493 independent genetic variants in 352 loci, including 68 genetic variants outside previously identified resting heart rate associated loci. We prioritize 670 genes and in silico annotations point to their enrichment in cardiomyocytes and provide insights in their ECG signature. Two-sample Mendelian randomization analyses indicate that higher genetically predicted resting heart rate increases risk of dilated cardiomyopathy, but decreases risk of developing atrial fibrillation, ischemic stroke, and cardio-embolic stroke. We do not find evidence for a linear or non-linear genetic association between resting heart rate and all-cause mortality in contrast to our previous Mendelian randomization study. Systematic alteration of key differences between the current and previous Mendelian randomization study indicates that the most likely cause of the discrepancy between these studies arises from false positive findings in previous one-sample MR analyses caused by weak-instrument bias at lower P-value thresholds. The results extend our understanding of resting heart rate biology and give additional insights in its role in cardiovascular disease development.
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