Publications by authors named "Perry L"

Twin studies have suggested extremely high estimates of heritability for adolescent executive function, with no substantial contributions from shared environment. However, developmental psychology research has found significant correlations between executive function outcomes and elements of the environment that would be shared in twins. It is unclear whether these seemingly contradictory findings are best explained by genetic confounding in developmental studies or limitations in twin studies, which can potentially underestimate shared environment.

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Background: Attending to patient-reported outcomes (PROs) using data visualisation dashboards could enhance shared decision-making (SDM) and care delivery for serious chronic illnesses. However, few studies have evaluated real-world strategies and resulting implementation outcomes of PRO dashboards.

Method: From June 2020 to January 2022, we implemented an electronic health record (EHR)-integrated PRO dashboard for advanced cancer and chronic kidney disease.

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The active metabolite of vitamin D3, calcitriol (1,25D), is widely recognised for its direct anti-proliferative and pro-differentiation effects. However, 1,25D is calcaemic, which restricts its clinical use for cancer treatment. Non-calcaemic agonists of the vitamin D receptor (VDR) could be better candidates for cancer treatment.

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Objective(s): This study was designed to assess the relative association between adjunctive fresh frozen plasma (FFP) or adjunctive cryoprecipitate and morbidity and mortality in cardiac surgery patients receiving platelets for perioperative bleeding.

Design: Retrospective cohort study using inverse probability of treatment weighting with entropy balancing.

Setting: Multi-institutional study of 58 centers using the Australian and New Zealand Society of Cardiac and Thoracic Surgeons National Cardiac Surgery Database from January 1, 2005, to December 31, 2021.

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Patients receiving palliative care experience stigma associated with their illness, personal identity, and healthcare utilization. These stigmas can occur at any stage of the disease process. Varying stigmas combine to cause palliative care patients to feel misunderstood, contribute to treatment barriers, and further negative stereotypes held by clinicians.

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Article Synopsis
  • Children with autism spectrum disorder (ASD) are less socially engaged with peers compared to typically developing (TD) children in inclusive preschool settings.
  • A study tracking over 750 hours found that children with ASD approached teachers more quickly and spent less time socializing with peers than TD children did, but their time with teachers was similar to that of TD children.
  • The findings indicate that children with ASD prefer engaging with teachers over peers, highlighting the importance of interventions to enhance peer interactions for these children.
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  • Increasing numbers of women are pursuing itinerant lifestyles in Australia, challenging traditional views of women as they age and expanding their ambitions beyond conventional roles.
  • The study involved interviews with 29 women who traveled alone or with other women, and focused on four narratives that illustrate key themes such as adventure, self-exploration, and life control.
  • The stories highlight the richness and diversity of these women's experiences, showcasing their journeys toward personal growth, independence, and a redefinition of aging.
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Melanoma is an aggressive skin cancer with a high tendency for metastasis and resistance to conventional therapies. This study explores the role of preferentially expressed antigen in melanoma (PRAME), a cancer-testis antigen, in melanoma progression, focusing on its function in melanoma-derived extracellular vesicles (EVs) and its impact on benign melanocytes. We show that PRAME is highly expressed in melanoma cell lines, tissues, and patient plasma and is present in EVs.

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  • - Recent studies on animal movements show different thermodynamic phases, but similar insights for human movement, especially at low speeds, are lacking.
  • - Using ultrawideband RFID technology, researchers gathered detailed movement data from children in various settings, identifying two unique phases: a gaslike phase of freedom and a liquid-vapor phase indicating small social group formations.
  • - The study introduces a statistical physics model that replicates these observed phases and suggests that UWB-RFID can also aid research in broader areas like animal behavior and human interactions in complex systems.
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Objective: To test whether a personality feedback intervention improves three domains of cancer self-management: self-awareness, self-efficacy, and positive affect.

Methods: From 11/2020-02/2021, 372 adults diagnosed with cancer participated in a randomized controlled trial (RCT) of an intervention that entailed reading a brief personality-related excerpt during an online survey. Eligibility included self-reported age ≥ 18 years, current or past cancer diagnosis, and ability to read English.

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Although vocabulary size is thought to index children's language abilities, an increasing body of work suggests that regularities in children's vocabulary composition, particularly the proportion of shape-based nouns (e.g., cup), support language development.

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Autism spectrum disorder (ASD) is associated with marked heterogeneity in executive function (EF) abilities. EF components including inhibition and shifting are related to ASD core symptoms such as perspective taking, social communication, and repetitive behavior. Recent research suggests that multilingualism may have a beneficial impact on EF abilities, especially in children with ASD.

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A newly identified subtype of hereditary axonal motor neuropathy, characterized by early proximal limb involvement, has been discovered in a cohort of 34 individuals with biallelic variants in von Willebrand factor A domain-containing 1 (). This study further delineates the disease characteristics in a cohort of 20 individuals diagnosed through genome or exome sequencing, incorporating neurophysiological, laboratory and imaging data, along with data from previously reported cases across three different studies. Newly reported clinical features include hypermobility/hyperlaxity, axial weakness, dysmorphic signs, asymmetric presentation, dystonic features and, notably, upper motor neuron signs.

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Background: Offering organ donation is part of routine end-of-life care in critical care. Families describe feeling emotionally overwhelmed, which reduces their ability to understand complex medical information necessary to make informed decisions about organ donation. Late decisional regret is more common among families who decline donation.

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Proprotein convertase subtilisin/kexin type 9 (PCSK9) regulates plasma low-density lipoprotein cholesterol (LDL-C) levels by promoting hepatic LDL receptor (LDL-R) degradation. We previously identified and optimized 13-mer cyclic peptides that bind to a novel, induced-fit pocket adjacent to the binding interface of PCSK9 and LDL-R and effectively disrupted the PCSK9/LDL-R protein-protein interaction (PPI) both in vitro and in vivo. However this series of large cyclic peptides required charged groups for function and lacked oral bioavailability in rodents.

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The onset of sedentism on the Tibetan Plateau is often presumed to be associated with the dispersal of agriculture or farmers from archaeological sites located in the low elevation margins of the plateau. Previous studies of the plateau assumed that all foragers were probably mobile, but few systematic excavations at forager sites have been conducted to inform us about their settlement patterns. Here we report the world's highest elevation sedentary way of living exhibited by the Mabu Co site at 4,446 metres above sea level, deep in the interior of the Tibetan Plateau 4,400-4,000 years ago.

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Differences in time commitments and resources contribute to the difficulties of work-life integration for many physician-scientists, particularly for women with family caregiving responsibilities. Understanding the challenges faced by this population is critical for the retention of these critical members of the workforce. We conducted semi-structured telephone interviews with recipients of the 2017 Doris Duke Charitable Foundation's Fund to Retain Clinical Scientists (FRCS) and reviewed application narratives from the 2020 award recipients.

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Accurately capturing children's word learning abilities is critical for advancing our understanding of language development. Researchers have demonstrated that utilizing more complex statistical methods, such as mixed-effects regression and hierarchical linear modeling, can lead to a more complete understanding of the variability observed within children's word learning abilities. In the current paper, we demonstrate how a person-centered approach to data analysis can provide additional insights into the heterogeneity of word learning ability among children while also aiding researchers' efforts to draw individual-level conclusions.

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The widespread availability of smart devices has facilitated the use of medical photography, yet photodocumentation workflows are seldom implemented in healthcare organizations due to integration challenges with electronic health records (EHR) and standard clinical workflows. This manuscript details the implementation of a comprehensive photodocumentation workflow across all phases of care at a large healthcare organization, emphasizing efficiency and patient safety. From November 2018 to December 2023, healthcare workers at our institution uploaded nearly 32,000 photodocuments spanning 54 medical specialties.

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Background: Analgesics are one of the most commonly purchased and used over-the-counter (OTC) medication classes from pharmacies in the United States. Drug toxicity is a leading cause of injury death in the United States. Limited studies, if any, have examined the impact of specific OTC medication toxicities in the pediatric population.

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Polycystic ovary syndrome (PCOS) is the leading cause of anovulatory infertility in women of reproductive age, and obesity can increase the severity and development of the PCOS phenotype. Prenatal testosterone (T) treatment between gestational days 30-90 advanced puberty and disrupted the reproductive and metabolic phenotype in female sheep, recapitulating attributes of women with PCOS, with postnatal obesity amplifying its severity. On the other hand, prenatal T treatment from gestational days 60-90 led to a much milder phenotype.

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Article Synopsis
  • Measuring animal behavior has been challenging over long timescales, especially for complex behaviors that require manual scoring, but advances in machine learning offer new solutions.
  • A new pipeline has been developed to continuously record and analyze animal behavior using a self-supervised computer vision model, achieving high accuracy in behavior classification comparable to expert human labelers.
  • This system was tested on 97 mice over two weeks, revealing significant sex- and estrogen-dependent differences in circadian rhythms among various behaviors, and is presented as an open-source software tool called the "circadian behavioral analysis suite" (CBAS) for researchers.
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Purpose: Financial hardship (FH) is a complex issue in cancer care, affecting material conditions, well-being, and coping behaviors. This study aimed to longitudinally examine FH, anxiety, depressive symptoms, and their associations while incorporating social determinants of health and health care cost covariates in a sample of patients diagnosed with cancer.

Methods: This prospective, longitudinal cohort study analyzed data from 2,305 participants from the Northwestern University Improving the Management of Symptoms during and following Cancer Treatment trial.

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Children's own language production has a role in structuring the language of their conversation partners and influences their own development. Children's active participation in their own language development is most apparent in the rich body of work investigating language in natural environments. The advent of automated measures of vocalizations and movement have made such in situ research increasingly feasible.

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  • Shared decision making (SDM) involves patients and clinicians collaborating to make informed healthcare choices, with clinical dashboards providing valuable information like patient-reported outcomes to enhance this process.
  • A co-design initiative was executed over 14 sessions with multidisciplinary teams, including patients, care partners, and clinicians, aiming to develop a PRO-informed clinical dashboard tailored for patients with advanced cancer or chronic kidney disease (CKD).
  • The co-design strategy showed strong success in its implementation, with high observer-rated fidelity and adoption scores, along with robust stakeholder representation, confirming its effectiveness in promoting SDM in these patient populations.
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