Social network structure is a critical group character that mediates the flow of information, pathogens and resources among individuals in a population, yet little is known about what shapes social structures. In this study, we experimentally tested whether social network structure depends on the personalities of individual group members. Replicate groups of forked fungus beetles () were engineered to include only members previously assessed as either more social or less social. We found that individuals expressed consistent personalities across social contexts, exhibiting repeatable numbers of interactions and numbers of partners. Groups composed of more social individuals formed networks with higher interaction rates, higher tie density, higher global clustering and shorter average shortest paths than those composed of less social individuals. We highlight group composition of personalities as a source of variance in group traits and a potential mechanism by which networks could evolve.
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http://dx.doi.org/10.1098/rsbl.2021.0509 | DOI Listing |
Drugs Aging
January 2025
Program for the Care and Study of the Aging Heart, Department of Medicine, Weill Cornell Medicine, 420 East 70th St, New York, NY, LH-36510063, USA.
There are several pharmacologic agents that have been touted as guideline-directed medical therapy for heart failure with preserved ejection fraction (HFpEF). However, it is important to recognize that older adults with HFpEF also contend with an increased risk for adverse effects from medications due to age-related changes in pharmacokinetics and pharmacodynamics of medications, as well as the concurrence of geriatric conditions such as polypharmacy and frailty. With this review, we discuss the underlying evidence for the benefits of various treatments in HFpEF and incorporate key considerations for older adults, a subpopulation that may be at higher risk for adverse drug events.
View Article and Find Full Text PDFJ Midwifery Womens Health
January 2025
Sexual Health and Reproductive Equity Program, School of Social Welfare, University of California, Berkeley, California.
As access to doula services expands through state Medicaid coverage and specific initiatives aimed at improving maternal health equity, there is a need to build and improve upon relationships between the doula community, hospital leaders, and clinical staff. Previous research and reports suggest rapport-building, provider education, and forming partnerships between community-based organizations and hospitals can improve such relationships. However, few interventions or programs incorporating such approaches are described in the literature.
View Article and Find Full Text PDFBMC Psychol
January 2025
School of Management, Shanghai Sanda University, Shanghai, 201209, China.
The outbreak of COVID-19 led to the emergence of various forms of mutual aid. While prior research has demonstrated that mutual aid can contribute to participants' subjective well-being, the majority of these studies are qualitative and lack clear understanding of the underlying mechanisms. Using a questionnaire survey and structural equation modeling, this study finds that mutual aid significantly enhances the subjective well-being of participants in China.
View Article and Find Full Text PDFBMC Psychol
January 2025
Department of Health Policy&Management, Tabriz Health Services Management Research Center, School of Management and Medical Informatics, Tabriz University of Medical Sciences, Tabriz, Iran.
Background: Mental disorders represent a significant global health concern, accounting for a substantial proportion of disabilities worldwide. Given its significance, it has consistently been a priority for health policy makers. The aim was to provide a comprehensive assessment of mental disorder-related policy events and related interventions in Iran.
View Article and Find Full Text PDFBMC Psychiatry
January 2025
College of Artificial Intelligence, Southwest University, Chongqing, China.
Background: Although childhood maltreatment (CM) is widely recognized as a transdiagnostic risk factor for various internalizing and externalizing psychological disorders, the neural basis underlying this association remain unclear. The potential reasons for the inconsistent findings may be attributed to the involvement of both common and specific neural pathways that mediate the influence of childhood maltreatment on the emergence of psychopathological conditions.
Methods: This study aimed to delineate both the common and distinct neural pathways linking childhood maltreatment to depression and aggression.
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