203 research outputs found
DEVELOPMENT OF A SCHOOL BASED PROGRAM: IMPLEMENTING OCCUPATIONAL THERAPY INTO GENERAL EDUCATION CLASSROOMS
The purpose of this scholarly project (SP) was to build a program containing activities for kindergarten and first grade general education classrooms that promote childrens’ skills that are necessary for development in handwriting, reading, writing, spelling, and clothing management
Linear growth of spiral SASI modes in core-collapse supernovae
Two-dimensional axisymmetric simulations have shown that the post-bounce
accretion shock in core collapse supernovae is subject to the Spherical
Accretion Shock Instability, or SASI. Recent three-dimensional simulations have
revealed the existence of a non-axisymmetric mode of the SASI as well, where
the postshock flow displays a spiral pattern. Here we investigate the growth of
these spiral modes using two-dimensional simulations of the post-bounce
accretion flow in the equatorial plane of a core-collapse supernova. By
perturbing a steady-state model we are able to excite both one, two and
three-armed spiral modes that grow exponentially with time, demonstrating that
these are linearly unstable modes closely related to the original axisymmetric
sloshing modes. By tracking the distribution of angular momentum, we show that
these modes are able to efficiently separate the angular momentum of the
accretion flow (which maintains a net angular momentum of zero), leading to a
significant spin-up of the underlying accreting proto-neutron star.Comment: To be published in The Astrophysical Journa
Multicultural youth in Canada: Comparing friendships and perceived social support
There is paucity of research examining the differences between friendships among multicultural youth. Specifically, youth of Arab, East Asian, South Asian, and European descent were examined in this study because these groups are among the largest ethnic groups in Canada and are diverse for the purpose of comparison. Previous researchers have assessed differences between immigrant generations when comparing same- and cross-ethnicity friendships (e.g., Harker, 2001), whereas the effect of cultural group has been neglected. Thus, examination of same- and cross-ethnicity friendships was largely exploratory. Researchers in the past have theorized that individuals of Arab descent may be more likely to have an overlap between family and friends (Abu-Laban & Abu-Laban, 1999). Thus, we hypothesized that Arab youth may be more likely to have related friends (i.e., to identify friends that also happen to be related to them). The results of this study may have implications for improving our understanding of the social support networks of immigrant youth
Best Interventions for Working Adults Experiencing Chronic Musculoskeletal Pain
Chronic musculoskeletal pain is defined as ongoing pain felt in the bones, joints, and tissue of the body that persists for longer than three months (Booth et al., 2017; Joelsson et al., 2017). Worldwide, 30% of the population has experienced some form of chronic pain in their lifetime (Guy et al., 2020). When living with chronic pain, it can become difficult for working adults to engage in their everyday occupations such as activities of daily living (ADL), instrumental activities of daily living (IADL), health management, social participation, and leisure (American Occupational Therapy Association [AOTA], 2020). These troubles can affect an individual’s performance range by minimizing the number of activities they are able to comfortably participate in. The study by Stubbs et al. (2013) confirmed that older working adults with chronic pain are significantly less active than older working adults without chronic pain. The population of working adults with chronic pain and less physical activity is at risk for experiencing secondary consequences such as fear of movement, fear of falling, pain catastrophizing, anxiety, and nervous system sensitization (Booth et al., 2017; Stubbs et al., 2013)
Prevalence and Practice for Rare Diseases in Primary Care: A National Cross-Sectional Study in the USA
Objectives There are more than 7000 rare diseases in the USA, and they are prevalent in 8% of the population. Due to life-threatening risk and limited therapies, early detection and treatment are critical. The purpose of this study was to explore characteristics of visits for patients with rare diseases seen by primary care physicians (PCPs). Design The study used a cross sectional study using a national representative dataset, the National Ambulatory Medical Care Survey for the years 2012–2014. Setting Primary care setting. Participants Visits to PCPs (n=22 306 representing 354 507 772 office visits to PCPs). Primary outcome measures Prevalence of rare diseases in visits of PCPs was the primary outcome. Bivariate analyses and logistic regression analyses were used to compare patients with rare diseases and those without rare diseases and examined characteristics of PCP visits for rare diseases and practice pattern. Results Among outpatient visits to PCPs, rare diseases account for 1.6% of the visits. The majority of patients with rare diseases were established patients (93.0%) and almost half (49.0%) were enrolled in public insurance programmes. The time spent in visits for rare diseases (22.4 min) and visits for more common diseases (21.3 min) was not significantly different (p=0.09). In an adjusted model controlling for patient characteristics (age, sex, types of insurance, reason for this visit, total number of chronic disease, having a rare disease and established or new patient), patients with rare diseases were 52% more likely to be referred to another provider (OR 1.52, 95% CI, 1.01 to 2.28). Conclusions Visits for rare diseases are uncommon in primary care practice. Future research may help to explain whether this low level of management of rare diseases in primary care practice is consistent with a goal of a broad scope of care
Resuspension, Redistribution, and Deposition of Oil-Residues to Offshore Depocenters After the Deepwater Horizon Oil Spill
The focus of this study was to determine the long-term fate of oil-residues from the 2010 Deepwater Horizon (DwH) oil spill due to remobilization, transport, and re-distribution of oil residue contaminated sediments to down-slope depocenters following initial deposition on the seafloor. We characterized hydrocarbon residues, bulk sediment organic matter, ease of resuspension, sedimentology, and accumulation rates to define distribution patterns in a 14,300 km2 area southeast of the DwH wellhead (1,500 to 2,600 m water depth). Oil-residues from the DwH were detected at low concentrations in 62% of the studied sites at specific sediment layers, denoting episodic deposition of oil-residues during 2010–2014 and 2015–2018 periods. DwH oil residues exhibited a spatial distribution pattern that did not correspond with the distribution of the surface oil slick, subsurface plume or original seafloor spatial expression. Three different regions were apparent in the overall study area and distinguished by the episodic nature of sediment accumulation, the ease of sediment resuspension, the timing of oil-residue deposition, carbon content and isotopic composition and foram fracturing extent. These data indicate that resuspension and down-slope redistribution of oil-residues occurred in the years following the DwH event and must be considered in determining the fate of the spilled oil deposited on the seafloor
Molecular Markers of Biogenic and Oil-Derived Hydrocarbons in Deep-Sea Sediments Following the Deepwater Horizon Spill
Following the Deepwater Horizon oil spill (DWHOS), the formation of an unexpected and extended sedimentation event of oil-associated marine snow (MOSSFA: Marine Oil Snow Sedimentation and Flocculent Accumulation) demonstrated the importance of biology on the fate of contaminants in the oceans. We used a wide range of compound-specific data (aliphatics, hopanes, steranes, triaromatic steroids, polycyclic aromatics) to chemically characterize the MOSSFA event containing abundant and multiple hydrocarbon sources (e.g., oil residues and phytoplankton). Sediment samples were collected in 2010–2011 (ERMA-NRDA programs: Environmental Response Management Application – Natural Resource Damage Assessment) and 2018 (REDIRECT project: Resuspension, Redistribution and Deposition of Deepwater Horizon recalcitrant hydrocarbons to offshore depocenter) in the northern Gulf of Mexico to assess the role of biogenic and chemical processes on the fate of oil residues in sediments. The chemical data revealed the deposition of the different hydrocarbon mixtures observed in the water column during the DWHOS (e.g., oil slicks, submerged-plumes), defining the chemical signature of MOSSFA relative to where it originated in the water column and its fate in deep-sea sediments. MOSSFA from surface waters covered 90% of the deep-sea area studied and deposited 32% of the total oil residues observed in deep-sea areas after the DWHOS while MOSSFA originated at depth from the submerged plumes covered only 9% of the deep-sea area studied and was responsible for 15% of the total deposition of oil residues. In contrast, MOSSFA originated at depth from the water column covered only 1% of the deep-sea area studied (mostly in close proximity of the DWH wellhead) but was responsible for 53% of the total deposition of oil residues observed after the spill in this area. This study describes, for the first time, a multi-chemical method for the identification of biogenic and oil-derived inputs to deep-sea sediments, critical for improving our understanding of carbon inputs and storage at depth in open ocean systems
Adolescent Substance Use and Occupational Therapy Interventions: A Rapid Systematic Review
Indiana University Purdue University IndianapolisThis rapid systematic review analyzes the evidence for
substance use reduction through therapeutic interventions
and activities in adolescents between the ages of 13-25,
along with the potential for implementation in the field of
occupational therapy. Adolescents with substance use
disorders (SUDs) often have specific challenges regarding
their family interactions, cultural beliefs, school engagement,
and community support. It can be difficult for adolescents
with SUDs to successfully navigate their ever changing
lives, as they may also present with comorbid psychiatric
conditions. It is noted that throughout this review, many
interventions were the first of their kind and focused on
targeting adolescents within the contexts of their
environment. Many studies utilized specific techniques
aimed at improving adolescents’ intrinsic beliefs regarding
their substance use. Overall, low to moderate evidence was
found for the effectiveness of various interventions to reduce
adolescent substance use. More exhaustive research is
needed to evaluate the usefulness of these interventions, as
many were done in very specific settings with very
individualized populations. Moreover, occupational
therapists should be cautious before implementation into
practice, as none of the studies evaluated explicitly examined
the role of occupational therapy. More investigation is
required to determine how these interventions can be applied
to the field of occupational therapy.Occupational Therap
Is intuitive eating a privileged approach? Cross-sectional and longitudinal associations between food insecurity and intuitive eating
Abstract
Objective:
To examine: (1) cross-sectional and longitudinal associations between measures of food insecurity (FI; household status and youth-reported) and intuitive eating (IE) from adolescence to emerging adulthood; and (2) the association between FI persistence and IE in emerging adulthood.
Design:
Longitudinal population-based study. Young people reported IE and FI (two items from the US Household Food Security Module) in adolescence and emerging adulthood. Parents provided data on household FI via the six-item US Household Food Security Module in adolescence.
Setting:
Adolescents (M
age = 14·3 ± 2 years) and their parents, recruited from Minneapolis/St. Paul public schools in 2009–2010 and again in 2017–2018 as emerging adults (M
age = 22·1 ± 2 years).
Participants:
The analytic sample (n 1372; 53·1 % female, 46·9 % male) was diverse across race/ethnicity (19·8 % Asian, 28·5 % Black, 16·6 % Latinx, 14·7 % Multiracial/Other and 19·9 % White) and socio-economic status (58·6 % low/lower middle, 16·8 % middle and 21·0 % upper middle/high).
Results:
In cross-sectional analyses, youth-reported FI was associated with lower IE during adolescence (P = 0·02) and emerging adulthood (P < 0·001). Longitudinally, household FI, but not adolescent experience of FI, was associated with lower IE in emerging adulthood (P = 0·01). Those who remained food-insecure (P = 0·05) or became food-insecure (P = 0·02) had lower IE in emerging adulthood than those remaining food-secure. All effect sizes were small.
Conclusions:
Results suggest FI may exert immediate and potentially lasting impacts on IE. As evidence suggests IE is an adaptive approach conferring benefits beyond eating, it would be valuable for interventions to address social and structural barriers that could impede IE
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