Publications by authors named "Preston K"

Background: The order Rodentia is the largest group of mammals. Diversification of vocal communication has contributed to rodent radiation and allowed them to occupy diverse habitats and adopt different social systems. The mechanism by which efficient vocal sounds, which carry over surprisingly large distances, are generated is incompletely understood.

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This article uses computational data and social science theories to analyze the misogynistic discourse of the involuntary celibate ("incel") community. We analyzed every comment ( = 3,686,110) produced over 42 months on a popular incel discussion board and found that nearly all active participants use misogynistic terms. Participants used misogynistic terms nearly one million times and at a rate 2.

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Background: Mechanical ventilation is a common and often lifesaving intervention that is utilised in intensive care. However, the practices can vary between centres. Through this national survey we aim to gain more information about different strategies adopted across the UK.

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There has been a lack of research examining how right-wing extremist groups justify their key claims online to reach a broader audience. This question is even more worrisome when considering a Canadian context, given Canada's state policies on multiculturalism and intolerance of hateful rhetoric. My research draws on the gaps within the literature of right-wing extremism, online spaces, and justification of discourse by conducting a content analysis of 300 Facebook and Twitter posts from the accounts of three Canadian right-wing extremist groups, ID Canada, Soldiers of Odin BC, and Yellow Vests Canada.

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Article Synopsis
  • - San Diego County has a rich bat diversity, with 22 out of 41 U.S. species, but 16 are at risk, highlighting the need for targeted conservation efforts.
  • - Using long-term survey data, researchers developed a scoring system to identify areas needing urgent bat conservation based on species richness and landscape threats, like urbanization and artificial lights.
  • - The study prioritized conservation areas specifically for species of concern, like Townsend's big-eared bat and pallid bat, emphasizing the detrimental impact of urbanization and light pollution on their populations.
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RNA-binding proteins (RBPs) perform diverse functions including the regulation of chromatin dynamics and the coupling of transcription with RNA processing. However, our understanding of their actions in mammalian neurons remains limited. Using affinity purification, yeast-two-hybrid and proximity ligation assays, we identified interactions of multiple RBPs with NRL, a Maf-family bZIP transcription factor critical for retinal rod photoreceptor development and function.

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The Coastal California Gnatcatcher (Polioptila californica californica), a federally threatened species, is a flagship species for regional conservation planning in southern California (USA). An inhabitant of coastal sage scrub vegetation, the gnatcatcher has declined in response to habitat loss and fragmentation, exacerbated by catastrophic wildfires. We documented the status of gnatcatchers throughout their California range and examined post-fire recovery of gnatcatchers and their habitat.

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Mental health and HIV risk behavior have been studied with ecological momentary assessment (EMA), but this approach has not been combined with tracking of activity space (where people go and what they encounter there) in people with HIV and their social relations, who may be HIV+ or HIV-. Activity space represents a modifiable risk or protective factor for behavior related to health status and quality of life, in both clinical and nonclinical populations. We conducted an observational study with 286 participants (243 HIV+ and 43 HIV-), roughly matched for socioeconomic status and neighborhood of residence via three waves of snowball sampling.

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Rehabilitation nurses possess knowledge and skills that are ideally suited to a variety of roles. This article informs rehabilitation nurses about opportunities to work in private case management for medical-legal cases. A brief overview of the process of litigation gives nurses the context in which case management interventions are needed.

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This study examined the roles of neighborhood social cohesion, adverse childhood experiences (ACEs), and parenting stress in early childhood on child behavioral outcomes in middle childhood and adolescence among socioeconomically disadvantaged Black families. To test a model linking perceptions of neighborhood social cohesion, single mothers' parenting stress, ACEs, and behavior problems in middle childhood and adolescence. We used four waves of longitudinal data from a subsample of 800 unmarried Black mothers and their children (at child birth and ages 3, 5, 9, and 15) from the Future of Families and Child Wellbeing Study, a nationally representative data set.

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The United Kingdom's Fifth National Audit Project investigated the incidence and causes of accidental awareness during general anaesthesia. Subsequently, guidelines produced by the Association of Anaesthetists of Great Britain and Ireland provide key recommendations to minimise awareness. These include using processed electroencephalogram for patients receiving total intravenous anaesthesia while paralysed and using audible low end-tidal anaesthetic concentration alarms.

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  • Mitochondrial dysfunction plays a role in cardiovascular diseases, especially hypertension, with a focus on the balance of mitochondrial fission and fusion.
  • In a study using C57BL6 mice, the mitochondrial fission inhibitor mdivi1 was shown to reduce hypertension and related vascular changes induced by angiotensin II.
  • Mdivi1 not only limited vessel fibrosis and hypertrophy but also improved mitochondrial structure and reduced cardiac hypertrophy and vascular reactivity associated with angiotensin II treatment, indicating multiple protective mechanisms in the vasculature.
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In 1989, Marc Lépine murdered 14 women at L'École Polytechnique de Montréal. We demonstrate how involuntarily celibate ("incel") men celebrate Lépine and claim him as a member of their community. Our analysis draws on 637 comments made on incels.

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Objective: Motivation is critically important for rehabilitation, exercise, and motor performance, but its neural basis is poorly understood. Recent correlational research suggests that the dorsomedial prefrontal cortex (dmPFC) may be involved in motivation for walking activity and/or descending motor output. This study experimentally evaluated brain activity changes in periods of additional motivation during walking exercise and tested how these brain activity changes relate to self-reported exercise motivation and walking speed.

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  • About 20% of new cancer patients are parents with young kids, and they often struggle to manage treatments while taking care of their children.
  • The study gathered information from cancer patients in Canada to understand how their childcare responsibilities affected their treatment and what support they need.
  • Results showed that many parents felt stressed and had to change or miss appointments because they couldn’t find childcare, and most said that flexible childcare options would help them keep up with their cancer care.
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Background: Previous studies have shown that environment and health can influence drug use trajectories and the effects of substance use disorder (SUD) treatments. We hypothesized that trajectories of drug use-related problems, based on changes in DSM-5 symptoms, would vary by type(s) of drugs used, health factors, and neighborhood characteristics.

Methods: We assessed mental and physical health, stress, social instability, neighborhood characteristics (disorderliness and home value), and DSM-5 symptom counts at two study visits, 12 months apart, in a community sample (baseline  = 735) in Baltimore, MD.

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Understanding craniofacial growth and development is important in the management of facial trauma in the growing pediatric patient. This manuscript is a review of craniofacial growth and development and clinical implications of pediatric facial fractures.

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Introduction: Diffusion-weighted imaging (DWI) on MRI-linear accelerator (MR-linac) systems can potentially be used for monitoring treatment response and adaptive radiotherapy in head and neck cancers (HNC) but requires extensive validation. We performed technical validation to compare six total DWI sequences on an MR-linac and MR simulator (MR sim) in patients, volunteers, and phantoms.

Methods: Ten human papillomavirus-positive oropharyngeal cancer patients and ten healthy volunteers underwent DWI on a 1.

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  • The study aimed to evaluate changes in the apparent diffusion coefficient (ADC) of head and neck squamous cell carcinoma (HNSCC) patients during radiation therapy, using diffusion-weighted imaging to predict tumor response and outcomes.
  • A group of 30 HNSCC patients underwent weekly MRI scans, measuring various ADC parameters over six weeks to analyze correlations with treatment response and recurrence.
  • Results showed a significant increase in ADC values during treatment, especially for primary tumors achieving complete remission, with a specific ADC threshold identified as a predictor for successful outcomes.
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Background: Patients undergoing orthognathic surgery may have limited information surrounding surgery. This leads to less satisfaction with surgical outcomes, anxiety surrounding surgery and difficulty following perioperative instructions.

Solution: Providing a multi-disciplinary pre-operative educational experience for patients and caregivers improves surgical readiness and satisfaction.

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  • Students participated in an 8-week online research program where they learned to incorporate primary literature into their science projects, targeting 8th to 11th graders.
  • Each week focused on a specific section of a primary research article, guiding students on how to write corresponding sections in their own research papers.
  • At the end of the program, students reported increased self-efficacy and confidence in scientific writing, and the paper offers a framework for integrating primary literature into similar projects.
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Appropriate cytoskeletal organization is essential for vascular smooth muscle cell (VSMC) conditions such as hypertension. This study identifies FXR1 as a key protein linking cytoskeletal dynamics with mRNA stability. RNA immunoprecipitation sequencing (RIP-seq) in human VSMCs identifies that FXR1 binds to mRNA associated with cytoskeletal dynamics, and FXR1 depletion decreases their mRNA stability.

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Introduction: This study provides long-term evidence that profiles of temperament during adolescence are associated with happiness and health over two decades later.

Methods: Data are based on the ongoing Fullerton Longitudinal Study, a community-based sample in the United States. At 14 and 16 years, adolescents (N = 111; 52% male, 90% Euro-American) and their mothers (N = 105) completed the Dimensions of Temperament Survey-Revised, a scale designed specifically to assess adolescents' temperament across a set of attributes.

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