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https://www.readbyqxmd.com/read/28221164/positive-and-negative-cues-for-modulating-neurite-dynamics-and-receptor-expression
#1
Melissa Wrobel, Harini Gayathari Sundararaghavan
Many current peripheral nerve repair strategies focus on delivering positive, growth promoting cues (e.g. extracellular matrix, ECM) while eliminating negative, growth inhibiting cues (e.g. chondroitin sulfate proteoglycans, CSPGs) at the injury site. We hypothesized that recapitulating the positive and negative cues of the peripheral nerve injury microenvironment would improve regeneration. First, we tested the effects of a characteristic CSPG, Chondroitin Sulfate A (CSA) on neurite dynamics of dissociated chick embryo dorsal root ganglion (DRG) neurons using time lapse video microscopy...
February 21, 2017: Biomedical Materials
https://www.readbyqxmd.com/read/28217739/grounded-and-embodied-mathematical-cognition-promoting-mathematical-insight-and-proof-using-action-and-language
#2
Mitchell J Nathan, Candace Walkington
We develop a theory of grounded and embodied mathematical cognition (GEMC) that draws on action-cognition transduction for advancing understanding of how the body can support mathematical reasoning. GEMC proposes that participants' actions serve as inputs capable of driving the cognition-action system toward associated cognitive states. This occurs through a process of transduction that promotes valuable mathematical insights by eliciting dynamic depictive gestures that enact spatio-temporal properties of mathematical entities...
2017: Cogn Res Princ Implic
https://www.readbyqxmd.com/read/28216441/the-dynamics-of-signal-complex-formation-mediating-germling-fusion-in-neurospora-crassa
#3
Antonio Serrano, Hamzeh Hammadeh, Stephanie Herzog, Julia Illgen, Marcel Schumann, Martin Weichert, André Fleißner
Colony initiation of filamentous fungi commonly involves fusion of germinating vegetative spores. Studies in Neurospora crassa revealed an unusual cell-cell communication mechanism mediating this process, in which the fusion partners coordinately alternate between two physiological stages, probably related to signal sending and receiving. This "cell dialog" involves the alternating, oscillatory recruitment of the SO protein and the MAK-2 MAP kinase module to the apical plasma membrane of growing fusion tips...
February 16, 2017: Fungal Genetics and Biology: FG & B
https://www.readbyqxmd.com/read/28210231/effects-of-agent-environment-symmetry-on-the-coordination-dynamics-of-triadic-jumping
#4
Akifumi Kijima, Hiroyuki Shima, Motoki Okumura, Yuji Yamamoto, Michael J Richardson
We investigated whether the patterns of coordination that emerged during a three-participant (triadic) jumping task were defined by the symmetries of the (multi) agent-environment task space. Triads were instructed to jump around different geometrical arrangements of hoops. The symmetry of the hoop geometry was manipulated to create two symmetrical and two asymmetrical participant-hoop configurations. Video and motion tracking recordings were employed to determine the frequencies of coordination misses (collisions or failed jumps) and during 20 successful jump sequences, the jump direction chosen (clockwise vs...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28203582/indifference-to-chaotic-motion-may-be-related-to-social-disinterest-in-children-with-autism
#5
Joshua Haworth, Anastasia Kyvelidou, Wayne Fisher, Nicholas Stergiou
Children with autism spectrum disorder tend to have little interest in the presence, actions, and motives of other persons. In addition, these children tend to present with a limited and overly redundant movement repertoire, often expressing hyperfixation and aversion to novelty. We explore whether this is related to a more fundamental lack of appreciation for various temporal dynamics, including periodic, chaotic, and aperiodic motion structures. Seven children with ASD (age, gender, and height matched with children without ASD) were asked to stand and watch the motion of a visual stimulus displayed on a large (55″) video monitor...
December 2016: Journal of Motor Learning and Development
https://www.readbyqxmd.com/read/28187138/a-randomized-controlled-trial-of-a-group-based-gaze-training-intervention-for-children-with-developmental-coordination-disorder
#6
Greg Wood, Charlotte A L Miles, Ginny Coyles, Omid Alizadehkhaiyat, Samuel J Vine, Joan N Vickers, Mark R Wilson
: The aim of this study was to integrate a gaze training intervention (i.e., quiet eye training; QET) that has been shown to improve the throwing and catching skill of children with Developmental Coordination Disorder (DCD), within an approach (i.e., group therapy) that might alleviate the negative psychosocial impact of these motor skill deficits. Twenty-one children with DCD were split into either QET (8 male 3 female, mean age of 8.6 years (SD = 1.04) or technical training (TT) groups (7 male 3 female, mean age of 8...
2017: PloS One
https://www.readbyqxmd.com/read/28183689/game-based-rehabilitation-for-myoelectric-prosthesis-control
#7
Cosima Prahm, Ivan Vujaklija, Fares Kayali, Peter Purgathofer, Oskar C Aszmann
BACKGROUND: A high number of upper extremity myoelectric prosthesis users abandon their devices due to difficulties in prosthesis control and lack of motivation to train in absence of a physiotherapist. Virtual training systems, in the form of video games, provide patients with an entertaining and intuitive method for improved muscle coordination and improved overall control. Complementary to established rehabilitation protocols, it is highly beneficial for this virtual training process to start even before receiving the final prosthesis, and to be continued at home for as long as needed...
February 9, 2017: JMIR Serious Games
https://www.readbyqxmd.com/read/28169038/a-growing-need-hiv-education-in-long-term-care
#8
Kaitlin Siou, Maureen Mahan, Rod Cartagena, Soo Chan Carusone
As people living with HIV (PLHIV) age, knowledge of HIV and the associated care of those aging with HIV will become an increasingly important component of education for long-term care (LTC) providers. This descriptive study piloted two different approaches to distribute narrative-based HIV educational videos. Four LTC facilities were assigned to receive the videos to implement 'as usual' or to receive the videos in addition to blended learning sessions where the videos were shown with facilitated discussion with a nurse educator and a PLHIV...
February 3, 2017: Geriatric Nursing
https://www.readbyqxmd.com/read/28157565/variable-training-does-not-lead-to-better-motor-learning-compared-to-repetitive-training-in-children-with-and-without-dcd-when-exposed-to-active-video-games
#9
Emmanuel Bonney, Dorothee Jelsma, Gillian Ferguson, Bouwien Smits-Engelsman
BACKGROUND: Little is known about the influence of practice schedules on motor learning and skills transfer in children with and without developmental coordination disorder (DCD). Understanding how practice schedules affect motor learning is necessary for motor skills development and rehabilitation. AIMS: The study investigated whether active video games (exergames) training delivered under variable practice led to better learning and transfer than repetitive practice...
January 31, 2017: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/28156475/usability-and-acceptance-of-novel-personal-health-technology-to-support-early-palliative-care-for-patients-with-cancer-and-caregivers
#10
Sarah C Reed, Katherine Kim, Victoria Ngo, Wendy Wait, Ester Apesoa-Varano, Joy Morgan, Robin L Whitney, Emma Blackmon, Jill Joseph
: 73 Background: Little research has assessed whether and how technology can support early palliative care. Our team developed a HIPAA-compliant, cloud-based Personal Health Network (PHN) with a secure, online network of family, caregivers, clinicians and service providers designated by the patient; symptom reporting/management resources; and support for communication among network members via audio/video conferencing, messaging, and document sharing. This study examines PHN usability and acceptance, and identifies additional functions for early palliative care...
October 9, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28154991/a-computational-framework-for-attentional-object-discovery-in-rgb-d-videos
#11
Germán Martín García, Mircea Pavel, Simone Frintrop
We present a computational framework for attention-guided visual scene exploration in sequences of RGB-D data. For this, we propose a visual object candidate generation method to produce object hypotheses about the objects in the scene. An attention system is used to prioritise the processing of visual information by (1) localising candidate objects, and (2) integrating an inhibition of return (IOR) mechanism grounded in spatial coordinates. This spatial IOR mechanism naturally copes with camera motions and inhibits objects that have already been the target of attention...
February 2, 2017: Cognitive Processing
https://www.readbyqxmd.com/read/28152768/improving-care-quality-for-patients-with-soft-tissue-and-bone-sarcoma-by-establishing-a-national-virtual-tumor-board-and-electronic-consultation-platform
#12
Andrew Fang, Maihgan Kavanagh, Brian Kim, Jason D Lee, Craig McCormick, Lee Jae Morse, Subir Nag, Grant Nybbaken, Peter Peng, Corey M Schwartz, Joseph Song, Denah Renee Taggart, Jeanette Cu Yu
: 211 Background: Bone and soft tissue sarcomas are relatively uncommon and their management is extremely complex requiring coordinated multidisciplinary expertise for optimal care. Because Kaiser Permanente operates across many geographic regions in the country, in-person tumor board is not practical. METHODS: The Kaiser Permanente Northern California medical oncology team has developed a system-based virtual tumor board (VTB) and electronic consultation (EC) platform comprised of experts from several key disciplines including musculoskeletal/surgical oncology, musculoskeletal radiology, pathology, radiation oncology, brachytherapy, medical adult and pediatric oncology...
March 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28152031/collective-behavior-quantification-on-human-odor-effects-against-female-aedes-aegypti-mosquitoes-open-source-development
#13
Abdul Halim Poh, Mahmoud Moghavvemi, Cherng Shii Leong, Yee Ling Lau, Alireza Safdari Ghandari, Alexlee Apau, Faisal Rafiq Mahamd Adikan
Classifying and quantifying mosquito activity includes a plethora of categories, ranging from measuring flight speeds, repellency, feeding rates, and specific behaviors such as home entry, swooping and resting, among others. Entomologists have been progressing more toward using machine vision for efficiency for this endeavor. Digital methods have been used to study the behavior of insects in labs, for instance via three-dimensional tracking with specialized cameras to observe the reaction of mosquitoes towards human odor, heat and CO2, although virtually none was reported for several important fields, such as repellency studies which have a significant need for a proper response quantification...
2017: PloS One
https://www.readbyqxmd.com/read/28141614/computed-tomography-assisted-thoracoscopic-surgery-a-novel-innovative-approach-in-patients-with-deep-intrapulmonary-lesions-of-unknown-malignant-status
#14
Michael Kostrzewa, Kerim Kara, Nils Rathmann, Charalambos Tsagogiorgas, Thomas Henzler, Stefan O Schoenberg, Peter Hohenberger, Steffen J Diehl, Eric D Roessner
OBJECTIVES: Minimally invasive resection of small, deep intrapulmonary lesions can be challenging due to the difficulty of localizing them during video-assisted thoracoscopic surgery (VATS). We report our preliminary results evaluating the feasibility of an image-guided, minimally invasive, 1-stop-shop approach for the resection of small, deep intrapulmonary lesions in a hybrid operating room (OR). MATERIALS AND METHODS: Fifteen patients (5 men, 10 women; mean age, 63 years) with a total of 16 solitary, deep intrapulmonary nodules of unknown malignant status were identified for intraoperative wire marking...
January 30, 2017: Investigative Radiology
https://www.readbyqxmd.com/read/28132720/kidney-disease-population-health-management-in-the-era-of-accountable-care-a-conceptual-framework-for-optimizing-care-across-the-ckd-spectrum
#15
Mallika L Mendu, Sushrut S Waikar, Sandhya K Rao
Since its passage in 2010, the Affordable Care Act has led to the creation of numerous accountable care organizations that face the challenge of transforming the traditional care delivery model to provide more patient-centered, high-quality, and low-cost care. Complex patients, including those with chronic kidney disease (CKD), present the most challenges and opportunities. CKD is a condition with significant morbidity, mortality, and cost and thought to be partly secondary to known gaps in care delivery. Successful population management for CKD requires consideration of the needs of patients at all phases of the disease...
January 23, 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/28122939/relationship-of-the-lateral-rectus-muscle-the-supraorbital-nerve-and-binocular-coordination-with-episodic-tension-type-headaches-frequently-associated-with-visual-effort
#16
Anxo Cachinero-Torre, Belén Díaz-Pulido, Ángel Asúnsolo-Del-Barco
 To study the relationship between tension-type headaches and the oculomotor system in terms of binocular coordination, mechanosensitivity of the supraorbital nerve, and myofascial trigger points in the lateral rectus muscle, assessing the influence of visual effort caused by using a computer at work. DESIGN : Observational study with blind evaluation of the response variable. METHODS : Two groups were compared: 19 subjects with tension-type headaches and 16 healthy subjects, both exposed to computer use at work...
January 24, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28122925/interprofessional-primary-care-team-meetings-a-qualitative-approach-comparing-observations-with-personal-opinions
#17
Jerôme Jean Jacques van Dongen, Marloes Amantia van Bokhoven, Ramon Daniëls, Stephanie Anna Lenzen, Trudy van der Weijden, Anna Beurskens
BACKGROUND: The number of people with multiple chronic conditions requiring primary care services increases. Professionals from different disciplines collaborate and coordinate care to deal with the complex health care needs. There is lack of information on current practices regarding interprofessional team (IPT) meetings. OBJECTIVES: This study aimed to improve our understanding of the process of interprofessional collaboration in primary care team meetings in the Netherlands by observing the current practice and exploring personal opinions...
February 2017: Family Practice
https://www.readbyqxmd.com/read/28114132/development-of-a-limb-preservation-program
#18
Richard F Neville, Ahmed Kayssi
In the global scenario, as the prevalence of renal failure and diabetes increases, healing and limb preservation assume increasing clinical importance for patients and healthcare systems. Unfortunately, there continues to be variation in the care delivered to patients at risk of losing a limb based on geography, race, socioeconomic status, and insurance status. There are also a variety of therapeutic approaches to patients with limb-threatening ischemia; 25% undergo primary amputation, 25% undergo medical therapy, and only 50% undergo any attempt at revascularization...
January 24, 2017: Blood Purification
https://www.readbyqxmd.com/read/28113902/discriminative-relational-representation-learning-for-rgb-d-action-recognition
#19
Yu Kong, Yun Fu
This paper addresses the problem of recognizing human actions from RGB-D videos. A discriminative relational feature learning method is proposed for fusing heterogeneous RGB and depth modalities, and classifying actions in RGB-D sequences. Our method factorizes the feature matrix of each modality, and enforces the same semantics for them in order to learn shared features from multimodal data. This allows us to capture the complex correlations between the two modalities. To improve the discriminative power of the relational features, we introduce a hinge loss to measure the classification accuracy when the features are employed for classification...
April 20, 2016: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28113142/court-reconstruction-for-camera-calibration-in-broadcast-basketball-videos
#20
Pei-Chih Wen, Wei-Chih Cheng, Yu-Shuen Wang, Hung-Kuo Chu, Nick C Tang, Hong-Yuan Mark Liao
We introduce a technique of calibrating camera motions in basketball videos. Our method particularly transforms player positions to standard basketball court coordinates and enables applications such as tactical analysis and semantic basketball video retrieval. To achieve a robust calibration, we reconstruct the panoramic basketball court from a video, followed by warping the panoramic court to a standard one. As opposed to previous approaches, which individually detect the court lines and corners of each video frame, our technique considers all video frames simultaneously to achieve calibration; hence, it is robust to illumination changes and player occlusions...
May 2016: IEEE Transactions on Visualization and Computer Graphics
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