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Article ; Online: Impact of corset bracing on 3D spine kinematics during ADL in children with Spondylolysis.

Hays, C / Fehr, S / Liu, X C / Haddas, R

Studies in health technology and informatics

2021 Volume 280, Page(s) 126–130

Abstract: Spondylolysis is a stress fracture of the vertebral pars interarticularis that frequently affects adolescents involved in sports. Conservative bracing methods may assist the clinician in treating spondylolysis, though there is a need to further validate ... ...

Abstract	Spondylolysis is a stress fracture of the vertebral pars interarticularis that frequently affects adolescents involved in sports. Conservative bracing methods may assist the clinician in treating spondylolysis, though there is a need to further validate these techniques. The goal of this study was to evaluate differences in the 3D movements of the thoracic and lumbar spine before and after bracing. Five patients (mean age 14.4 ± 1.3 years) with spondylogenic back pain were evaluated for kinematic measurements using a Vicon motion capture system. Patients performed activities both with and without a lumbar corset brace including walking, kneeling, standing from a chair, standing from the floor, ascending and descending stairs, and lifting. Patients were evaluated for differences in thoracic and lumbar range of motion (ROM) in the braced and unbraced condition. While wearing the brace, patients demonstrated reduced extension ROM of the thoracic spine while walking (mean reduction = 0.4°), ascending stairs (3.0°), descending stairs (2.1°), lifting (14.8°), standing from a chair (4.1°), standing from the floor (16.7°), and kneeling (8.4°). Patients also exhibited reduced extension ROM of the total lumbar spine while ascending stairs (mean reduction = 1.8°), lifting (12.7°), standing from a chair (9.5°), standing from the floor (11.8°), and kneeling (4.7°). These results provide evidence that bracing reduces stress on the pars interarticularis and relieves symptoms in the athlete with spondylogenic back pain, thereby facilitating a return to sports.
MeSH term(s)	Activities of Daily Living ; Adolescent ; Biomechanical Phenomena ; Child ; Humans ; Lumbar Vertebrae ; Range of Motion, Articular ; Spondylolysis
Language	English
Publishing date	2021-06-30
Publishing country	Netherlands
Document type	Journal Article
ISSN	1879-8365
ISSN (online)	1879-8365
DOI	10.3233/SHTI210450
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article: How the forebrain transitions to adulthood: developmental plasticity markers in a long-lived rodent reveal region diversity and the uniqueness of adolescence.

Garduño, B Maximiliano / Hanni, Patrick / Hays, Chelsea / Cogram, Patricia / Insel, Nathan / Xu, Xiangmin

Frontiers in neuroscience

2024 Volume 18, Page(s) 1365737

Abstract: Maturation of the forebrain involves transitions from higher to lower levels of synaptic plasticity. The timecourse of these changes likely differs between regions, with the stabilization of some networks scaffolding the development of others. To gain ... ...

Abstract	Maturation of the forebrain involves transitions from higher to lower levels of synaptic plasticity. The timecourse of these changes likely differs between regions, with the stabilization of some networks scaffolding the development of others. To gain better insight into neuroplasticity changes associated with maturation to adulthood, we examined the distribution of two molecular markers for developmental plasticity. We conducted the examination on male and female degus (
Language	English
Publishing date	2024-02-22
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2411902-7
ISSN	1662-453X ; 1662-4548
ISSN (online)	1662-453X
ISSN	1662-4548
DOI	10.3389/fnins.2024.1365737
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Article: Exploring the nursing student experience at a remote Australian university campus: a qualitative study.

Hays, Catherine / Devine, Susan / Glass, Beverley D

BMC nursing

2022 Volume 21, Issue 1, Page(s) 211

Abstract: Background: Nurses constitute most of the rural and remote Australian health workforce, however staff shortages in these regions are common. Rural exposure, association, and undertaking rural clinical placements can influence health students' decision ... ...

Abstract	Background: Nurses constitute most of the rural and remote Australian health workforce, however staff shortages in these regions are common. Rural exposure, association, and undertaking rural clinical placements can influence health students' decision to work rurally after graduation, however attending university in rural and remote regions has been shown to be a great contributor. An improved understanding of these nursing students' experiences may inform changes to teaching and support strategies for these students, which in turn could improve their retention and completion rates, contributing to a more sustainable rural and remote Australian nursing workforce. This study aimed to explore and describe students' experiences of studying nursing in the context of a satellite university campus located in a remote town, with a focus on education delivery methods, staff, support, student services, and barriers and enablers to successful study. Methodology: Nine students participated in this qualitative descriptive study. Semi-structured interviews were undertaken, allowing participants to reflect on their experiences as nursing students in the context of a geographically remote satellite university campus. The resulting data were grouped into common themes and summarised. Results: Students were generally positive regarding lectures delivered by videoconference or recorded lectures, as they allowed for greater flexibility which accommodated their busy personal lives. Face-to-face teaching was especially valuable, and students were particularly positive about their small cohort size, which enabled the creation of strong, supportive relationships between students, their cohort, and teaching and support staff. However, barriers related to student demographics and some difficulties with course engagement and campus staffing were experienced. Conclusions: The experiences of nursing students at remote university campuses are different from those experienced by traditional, metropolitan university students. Although these nursing students face additional barriers unique to the remote campus context, they benefit from a range of enabling factors, including their close relationships with other students, staff, family, and their local community.
Language	English
Publishing date	2022-08-02
Publishing country	England
Document type	Journal Article
ZDB-ID	2091496-9
ISSN	1472-6955
ISSN	1472-6955
DOI	10.1186/s12912-022-00996-x
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Book ; Online: Content Moderation and the Formation of Online Communities

Dwork, Cynthia / Hays, Chris / Kleinberg, Jon / Raghavan, Manish

A Theoretical Framework

2023

Abstract: We study the impact of content moderation policies in online communities. In our theoretical model, a platform chooses a content moderation policy and individuals choose whether or not to participate in the community according to the fraction of user ... ...

Abstract	We study the impact of content moderation policies in online communities. In our theoretical model, a platform chooses a content moderation policy and individuals choose whether or not to participate in the community according to the fraction of user content that aligns with their preferences. The effects of content moderation, at first blush, might seem obvious: it restricts speech on a platform. However, when user participation decisions are taken into account, its effects can be more subtle $\unicode{x2013}$ and counter-intuitive. For example, our model can straightforwardly demonstrate how moderation policies may increase participation and diversify content available on the platform. In our analysis, we explore a rich set of interconnected phenomena related to content moderation in online communities. We first characterize the effectiveness of a natural class of moderation policies for creating and sustaining stable communities. Building on this, we explore how resource-limited or ideological platforms might set policies, how communities are affected by differing levels of personalization, and competition between platforms. Our model provides a vocabulary and mathematically tractable framework for analyzing platform decisions about content moderation. Comment: 46 pages, 10 figures
Keywords	Computer Science - Data Structures and Algorithms ; Computer Science - Computers and Society ; Computer Science - Social and Information Networks
Subject code	303
Publishing date	2023-10-16
Publishing country	us
Document type	Book ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Monosynaptic Rabies Tracing Reveals Sex- and Age-Dependent Dorsal Subiculum Connectivity Alterations in an Alzheimer's Disease Mouse Model.

Ye, Qiao / Gast, Gocylen / Wilfley, Erik George / Huynh, Hanh / Hays, Chelsea / Holmes, Todd C / Xu, Xiangmin

The Journal of neuroscience : the official journal of the Society for Neuroscience

2024 Volume 44, Issue 16

Abstract: The subiculum (SUB), a hippocampal formation structure, is among the earliest brain regions impacted in Alzheimer's disease (AD). Toward a better understanding of AD circuit-based mechanisms, we mapped synaptic circuit inputs to dorsal SUB using ... ...

Abstract	The subiculum (SUB), a hippocampal formation structure, is among the earliest brain regions impacted in Alzheimer's disease (AD). Toward a better understanding of AD circuit-based mechanisms, we mapped synaptic circuit inputs to dorsal SUB using monosynaptic rabies tracing in the 5xFAD mouse model by quantitatively comparing the circuit connectivity of SUB excitatory neurons in age-matched controls and 5xFAD mice at different ages for both sexes. Input-mapped brain regions include the hippocampal subregions (CA1, CA2, CA3), medial septum and diagonal band, retrosplenial cortex, SUB, postsubiculum (postSUB), visual cortex, auditory cortex, somatosensory cortex, entorhinal cortex, thalamus, perirhinal cortex (Prh), ectorhinal cortex, and temporal association cortex. We find sex- and age-dependent changes in connectivity strengths and patterns of SUB presynaptic inputs from hippocampal subregions and other brain regions in 5xFAD mice compared with control mice. Significant sex differences for SUB inputs are found in 5xFAD mice for CA1, CA2, CA3, postSUB, Prh, lateral entorhinal cortex, and medial entorhinal cortex: all of these areas are critical for learning and memory. Notably, we find significant changes at different ages for visual cortical inputs to SUB. While the visual function is not ordinarily considered defective in AD, these specific connectivity changes reflect that altered visual circuitry contributes to learning and memory deficits. Our work provides new insights into SUB-directed neural circuit mechanisms during AD progression and supports the idea that neural circuit disruptions are a prominent feature of AD.
MeSH term(s)	Mice ; Female ; Male ; Animals ; Rabies ; Alzheimer Disease ; Hippocampus ; Entorhinal Cortex/physiology ; Neurons/physiology
Language	English
Publishing date	2024-04-17
Publishing country	United States
Document type	Journal Article
ZDB-ID	604637-x
ISSN	1529-2401 ; 0270-6474
ISSN (online)	1529-2401
ISSN	0270-6474
DOI	10.1523/JNEUROSCI.1796-23.2024
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Article ; Online: Studying nursing at Australian satellite university campuses: A review of teaching, learning and support.

Hays, Catherine / Devine, Susan / Wongtongkam, Nualnong / Glass, Beverley

The Australian journal of rural health

2021 Volume 29, Issue 2, Page(s) 226–235

Abstract: Distribution of the Australian health workforce is uneven, with the majority of health professionals favouring metropolitan areas over rural and remote regions. Although nurses account for the largest proportion of the Australian rural and remote health ... ...

Abstract	Distribution of the Australian health workforce is uneven, with the majority of health professionals favouring metropolitan areas over rural and remote regions. Although nurses account for the largest proportion of the Australian rural and remote health workforce, difficulties with staff recruitment and retention can impact the health care outcomes of these vulnerable populations. Satellite university campuses that offer undergraduate nursing programs might therefore contribute to a more sustainable rural and remote nursing workforce. This narrative literature review aimed at investigating the barriers and enablers that affect students enrolled at satellite nursing campuses, education delivery methods and academic and non-academic strategies employed to enhance the student learning experience. The literature was reviewed across 6 health and education databases. After screening, 12 articles met the inclusion criteria and were analysed, and the data were synthesised using a thematic approach. Three themes arose from the review: student characteristics and associated barriers and enablers to studying nursing at a satellite campus; teaching strategies and learning experiences; and academic and pastoral support. Students studying at satellite campuses were found to have different education experiences and faced challenges unique to their context; however, home support networks and small class sizes were seen as enabling factors. Education delivery methods and support strategies varied depending on remoteness and resources available. Consideration of the factors that affect satellite campus nursing students has the potential to increase student satisfaction and retention, which could result in a more sustainable rural and remote nursing workforce.
MeSH term(s)	Australia ; Education, Nursing, Baccalaureate ; Health Workforce ; Humans ; Rural Health Services ; Students, Nursing ; Universities
Language	English
Publishing date	2021-04-16
Publishing country	Australia
Document type	Journal Article ; Review
ZDB-ID	2069573-1
ISSN	1440-1584 ; 1038-5282
ISSN (online)	1440-1584
ISSN	1038-5282
DOI	10.1111/ajr.12741
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Article: Studying nursing at Australian satellite university campuses: A review of teaching, learning and support

Hays, Catherine / Devine, Susan / Wongtongkam, Nualnong / Glass, Beverley

Australian journal of rural health. 2021 Apr., v. 29, no. 2

2021

Abstract	Distribution of the Australian health workforce is uneven, with the majority of health professionals favouring metropolitan areas over rural and remote regions. Although nurses account for the largest proportion of the Australian rural and remote health workforce, difficulties with staff recruitment and retention can impact the health care outcomes of these vulnerable populations. Satellite university campuses that offer undergraduate nursing programs might therefore contribute to a more sustainable rural and remote nursing workforce. This narrative literature review aimed at investigating the barriers and enablers that affect students enrolled at satellite nursing campuses, education delivery methods and academic and non‐academic strategies employed to enhance the student learning experience. The literature was reviewed across 6 health and education databases. After screening, 12 articles met the inclusion criteria and were analysed, and the data were synthesised using a thematic approach. Three themes arose from the review: student characteristics and associated barriers and enablers to studying nursing at a satellite campus; teaching strategies and learning experiences; and academic and pastoral support. Students studying at satellite campuses were found to have different education experiences and faced challenges unique to their context; however, home support networks and small class sizes were seen as enabling factors. Education delivery methods and support strategies varied depending on remoteness and resources available. Consideration of the factors that affect satellite campus nursing students has the potential to increase student satisfaction and retention, which could result in a more sustainable rural and remote nursing workforce.
Keywords	health services ; labor force ; pastoralism ; rural health ; satellites
Language	English
Dates of publication	2021-04
Size	p. 226-235.
Publishing place	John Wiley & Sons, Ltd
Document type	Article
Note	NAL-AP-2-clean ; REVIEW
ZDB-ID	2069573-1
ISSN	1440-1584 ; 1038-5282
ISSN (online)	1440-1584
ISSN	1038-5282
DOI	10.1111/ajr.12741
Database	NAL-Catalogue (AGRICOLA)

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Book ; Online: Simplistic Collection and Labeling Practices Limit the Utility of Benchmark Datasets for Twitter Bot Detection

Hays, Chris / Schutzman, Zachary / Raghavan, Manish / Walk, Erin / Zimmer, Philipp

2023

Abstract: Accurate bot detection is necessary for the safety and integrity of online platforms. It is also crucial for research on the influence of bots in elections, the spread of misinformation, and financial market manipulation. Platforms deploy infrastructure ... ...

Abstract	Accurate bot detection is necessary for the safety and integrity of online platforms. It is also crucial for research on the influence of bots in elections, the spread of misinformation, and financial market manipulation. Platforms deploy infrastructure to flag or remove automated accounts, but their tools and data are not publicly available. Thus, the public must rely on third-party bot detection. These tools employ machine learning and often achieve near perfect performance for classification on existing datasets, suggesting bot detection is accurate, reliable and fit for use in downstream applications. We provide evidence that this is not the case and show that high performance is attributable to limitations in dataset collection and labeling rather than sophistication of the tools. Specifically, we show that simple decision rules -- shallow decision trees trained on a small number of features -- achieve near-state-of-the-art performance on most available datasets and that bot detection datasets, even when combined together, do not generalize well to out-of-sample datasets. Our findings reveal that predictions are highly dependent on each dataset's collection and labeling procedures rather than fundamental differences between bots and humans. These results have important implications for both transparency in sampling and labeling procedures and potential biases in research using existing bot detection tools for pre-processing. Comment: 10 pages, 6 figures; updated citation, clarified language
Keywords	Computer Science - Machine Learning ; Computer Science - Social and Information Networks
Subject code	006
Publishing date	2023-01-17
Publishing country	us
Document type	Book ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article: A Rare Cooccurrence of Tillaux-Chaput and Volkmann Fracture in an Adolescent Male: A Case Report.

Robichaux-Edwards, Lindy / Hays, Claire / Olmedo, Margaret

Journal of orthopaedic case reports

2020 Volume 9, Issue 4, Page(s) 44–47

Abstract: Introduction: Tillaux-Chaput fractures and Volkmann fractures rarely occur together in adolescent patients despite the common occurrence of ankle injuries in adolescent athletics. This particular injury has not previously been well documented in ... ...

Abstract	Introduction: Tillaux-Chaput fractures and Volkmann fractures rarely occur together in adolescent patients despite the common occurrence of ankle injuries in adolescent athletics. This particular injury has not previously been well documented in literature. Case report: This article describes the cooccurrence of these two fracture types in a 16-year-old male who suffered significant blunt trauma during a football game resulting in a loss of consciousness and a severe left ankle injury. History and physical examination necessitated radiographs confirming a Salter-Harris IV fracture of the left distal tibial concerning for a Tillaux-Chaput fracture. Computed tomography scans were taken to confirm the full extent of the injury. These images revealed a fracture of the left distal tibia that involved the posterior tibial metaphysis extending into the tibial plafond with no significant step-off and an avulsion fracture of the anterolateral tibial epiphysis that was laterally and anteriorly displaced. Conclusion: The fracture was treated surgically with close follow-up and physical therapy. Due to the complexity of this injury, long-term follow-up is indicated to prevent fear of use after injury and monitor appropriate healing to lower the risk of post-traumatic arthritis.
Language	English
Publishing date	2020-02-18
Publishing country	India
Document type	Case Reports
ZDB-ID	2658169-3
ISSN	2250-0685
ISSN	2250-0685
DOI	10.13107/jocr.2019.v09.i04.1472
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Models of remote professional supervision for psychologists in rural and remote locations: A systematic review.

Varela, Sharon M / Hays, Catherine / Knight, Sabina / Hays, Richard

The Australian journal of rural health

2021 Volume 29, Issue 2, Page(s) 211–225

Abstract: Introduction: Psychology workforce shortages in geographically rural or remote contexts have highlighted the need to understand the supervisory experiences of psychologists practising in these locations, and the models of supervision employed to support ...

Abstract	Introduction: Psychology workforce shortages in geographically rural or remote contexts have highlighted the need to understand the supervisory experiences of psychologists practising in these locations, and the models of supervision employed to support their practice and improve client safety. Objective: To review the models of remote professional supervision and the supervisory experiences of psychologists practising in rural and remote locations. Design: Using the Joanna Briggs Institute methodology for mixed-methods systematic review, 8 health and education databases were searched using keyword and subject heading searches. Findings: The initial search identified 413 studies. A full-text review identified 4 papers that met the inclusion criteria and were subjected to a methodological appraisal by 2 reviewers. Three studies included qualitative data, with 2 using transcribed interviews. Two studies reported quantitative data, with only one study including a statistical analysis of the outcomes. Discussion: The results for the efficacy of the current models of remote supervision being used within the allied health and psychology professions are limited, with methodological limitations cautioning generalisability of results. The experiences of psychologists engaged in remote supervision do not appear to have changed over the past decade despite technological advances. Conclusions: Quality professional supervision is critical for the sustainability of the psychology workforce in rural and remote locations, reducing professional isolation, and for improved patient outcomes. This review identified a need for improved evidence for remote supervision models for psychologists working in geographically rural and remote locations. Lessons can be learned from other health professions' models of remote supervision.
MeSH term(s)	Australia ; Health Workforce ; Humans ; Pennsylvania ; Personnel Management ; Psychology/standards ; Reproducibility of Results ; Rural Health Services ; Rural Population
Language	English
Publishing date	2021-05-13
Publishing country	Australia
Document type	Journal Article ; Review ; Systematic Review
ZDB-ID	2069573-1
ISSN	1440-1584 ; 1038-5282
ISSN (online)	1440-1584
ISSN	1038-5282
DOI	10.1111/ajr.12740
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