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https://www.readbyqxmd.com/read/28630937/high-precision-neural-decoding-of-complex-movement-trajectories-using-recursive-bayesian-estimation-with-dynamic-movement-primitives
#1
Guy Hotson, Ryan J Smith, Adam G Rouse, Marc H Schieber, Nitish V Thakor, Brock A Wester
Brain-machine interfaces (BMIs) are a rapidly progressing technology with the potential to restore function to victims of severe paralysis via neural control of robotic systems. Great strides have been made in directly mapping a user's cortical activity to control of the individual degrees of freedom of robotic end-effectors. While BMIs have yet to achieve the level of reliability desired for widespread clinical use, environmental sensors (e.g. RGB-D cameras for object detection) and prior knowledge of common movement trajectories hold great potential for improving system performance...
July 2016: IEEE Robotics and Automation Letters
https://www.readbyqxmd.com/read/28626781/both-cladribine-and-alemtuzumab-may-effect-ms-via-b-cell-depletion
#2
David Baker, Samuel S Herrod, Cesar Alvarez-Gonzalez, Lukasz Zalewski, Christo Albor, Klaus Schmierer
OBJECTIVE: To understand the efficacy of cladribine (CLAD) treatment in MS through analysis of lymphocyte subsets collected, but not reported, in the pivotal phase III trials of cladribine and alemtuzumab induction therapies. METHODS: The regulatory submissions of the CLAD Tablets Treating Multiple Sclerosis Orally (CLARITY) (NCT00213135) cladribine and Comparison of Alemtuzumab and Rebif Efficacy in Multiple Sclerosis, study one (CARE-MS I) (NCT00530348) alemtuzumab trials were obtained from the European Medicine Agency through Freedom of Information requests...
July 2017: Neurology® Neuroimmunology & Neuroinflammation
https://www.readbyqxmd.com/read/28624720/retention-of-perampanel-in-adults-with-pharmacoresistant-epilepsy-at-a-single-tertiary-care-center
#3
Tim Wehner, Shahidul Mannan, Sanchit Turaga, Kirtana Vallabhaneni, Hao Meng Yip, Carys Wiggans, Rohit Shankar, John S Duncan, Josemir W Sander
RATIONALE: Observational data on antiepileptic drugs (AEDs) inform about their use in clinical practice. We describe our clinical experience with perampanel (PER) in a large UK tertiary epilepsy center. METHODS: Adults initiated on PER between October 2012 and March 2015 were followed until they discontinued PER or 10 September 2016. Data on epilepsy syndrome, duration, seizure types, concomitant and previous AED use, PER dosing, efficacy and side effects were recorded...
June 15, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28621996/transient-dissipation-and-structural-costs-of-physical-information-transduction
#4
Alexander B Boyd, Dibyendu Mandal, Paul M Riechers, James P Crutchfield
A central result that arose in applying information theory to the stochastic thermodynamics of nonlinear dynamical systems is the information-processing second law (IPSL): the physical entropy of the Universe can decrease if compensated by the Shannon-Kolmogorov-Sinai entropy change of appropriate information-carrying degrees of freedom. In particular, the asymptotic-rate IPSL precisely delineates the thermodynamic functioning of autonomous Maxwellian demons and information engines. How do these systems begin to function as engines, Landauer erasers, and error correctors? We identify a minimal, and thus inescapable, transient dissipation of physical information processing, which is not captured by asymptotic rates, but is critical to adaptive thermodynamic processes such as those found in biological systems...
June 2, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28621985/quantum-secure-direct-communication-with-quantum-memory
#5
Wei Zhang, Dong-Sheng Ding, Yu-Bo Sheng, Lan Zhou, Bao-Sen Shi, Guang-Can Guo
Quantum communication provides an absolute security advantage, and it has been widely developed over the past 30 years. As an important branch of quantum communication, quantum secure direct communication (QSDC) promotes high security and instantaneousness in communication through directly transmitting messages over a quantum channel. The full implementation of a quantum protocol always requires the ability to control the transfer of a message effectively in the time domain; thus, it is essential to combine QSDC with quantum memory to accomplish the communication task...
June 2, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28618807/the-effect-of-presentation-level-and-stimulation-rate-on-speech-perception-and-modulation-detection-for-cochlear-implant-users
#6
Tim Brochier, Hugh J McDermott, Colette M McKay
In order to improve speech understanding for cochlear implant users, it is important to maximize the transmission of temporal information. The combined effects of stimulation rate and presentation level on temporal information transfer and speech understanding remain unclear. The present study systematically varied presentation level (60, 50, and 40 dBA) and stimulation rate [500 and 2400 pulses per second per electrode (pps)] in order to observe how the effect of rate on speech understanding changes for different presentation levels...
June 2017: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/28615234/impact-of-routine-fractional-flow-reserve-on-management-decision-and-1-year-clinical-outcome-of-patients-with-acute-coronary-syndromes-prime-ffr-insights-from-the-post-it-portuguese-study-on-the-evaluation-of-ffr-guided-treatment-of-coronary-disease-and-r3f
#7
Eric Van Belle, Sergio-Bravo Baptista, Luís Raposo, John Henderson, Gilles Rioufol, Lino Santos, Christophe Pouillot, Ruben Ramos, Thomas Cuisset, Rita Calé, Emmanuel Teiger, Elisabete Jorge, Loic Belle, Carina Machado, Didier Barreau, Marco Costa, Michel Hanssen, Eduardo Oliveira, Cyril Besnard, João Costa, Jean Dallongeville, João Pipa, Georgios Sideris, Nuno Fonseca, Christophe Bretelle, Jorge Guardado, Nicolas Lhoest, Bruno Silva, Pierre Barnay, Maria-João Sousa, Laurent Leborgne, João Carlos Silva, Flavien Vincent, Alberto Rodrigues, Luís Seca, Renato Fernandes, Patrick Dupouy
BACKGROUND: Fractional flow reserve (FFR) is not firmly established as a guide to treatment in patients with acute coronary syndromes (ACS). Primary goals were to evaluate the impact of integrating FFR on management decisions and on clinical outcome of patients with ACS undergoing coronary angiography, as compared with patients with stable coronary artery disease. METHODS AND RESULTS: R3F (French FFR Registry) and POST-IT (Portuguese Study on the Evaluation of FFR-Guided Treatment of Coronary Disease), sharing a common design, were pooled as PRIME-FFR (Insights From the POST-IT and R3F Integrated Multicenter Registries - Implementation of FFR in Routine Practice)...
June 2017: Circulation. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28607443/size-tunable-lateral-confinement-in-monolayer-semiconductors
#8
Guohua Wei, David A Czaplewski, Erik J Lenferink, Teodor K Stanev, Il Woong Jung, Nathaniel P Stern
Three-dimensional confinement allows semiconductor quantum dots to exhibit size-tunable electronic and optical properties that enable a wide range of opto-electronic applications from displays, solar cells and bio-medical imaging to single-electron devices. Additional modalities such as spin and valley properties in monolayer transition metal dichalcogenides provide further degrees of freedom requisite for information processing and spintronics. In nanostructures, however, spatial confinement can cause hybridization that inhibits the robustness of these emergent properties...
June 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28604916/interpreting-lymphocyte-reconstitution-data-from-the-pivotal-phase-3-trials-of-alemtuzumab
#9
David Baker, Samuel S Herrod, Cesar Alvarez-Gonzalez, Gavin Giovannoni, Klaus Schmierer
Importance: Alemtuzumab, a CD52-depleting monoclonal antibody, effectively inhibits relapsing multiple sclerosis (MS) but is associated with a high incidence of secondary B-cell autoimmunities that limit use. These effects may be avoided through control of B-cell hyperproliferation. Objective: To investigate whether the data describing the effect of alemtuzumab on lymphocyte subsets collected during the phase 3 trial program reveal mechanisms explaining efficacy and the risk for secondary autoimmunity with treatment of MS...
June 12, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/28604319/establishing-an-academic-biobank-in-a-resource-challenged-environment
#10
Cassandra Claire Soo, Freedom Mukomana, Scott Hazelhurst, Michele Ramsay
Past practices of informal sample collections and spreadsheets for data and sample management fall short of best-practice models for biobanking, and are neither cost effective nor efficient to adequately serve the needs of large research studies. The biobank of the Sydney Brenner Institute for Molecular Bioscience serves as a bioresource for institutional, national and international research collaborations. It provides high-quality human biospecimens from African populations, secure data and sample curation and storage, as well as monitored sample handling and management processes, to promote both non-communicable and infectious-disease research...
May 24, 2017: South African Medical Journal, Suid-Afrikaanse Tydskrif Vir Geneeskunde
https://www.readbyqxmd.com/read/28601787/getting-out-of-self-harm-s-way-a-study-of-factors-associated-with-self-harm-among-asylum-seekers-in-australian-immigration-detention
#11
Kyli Hedrick
The monitoring of self-harm among asylum seekers in Australian immigration detention has not occurred routinely or transparently. Thus whilst concerns regarding rates of self-harm among asylum seekers have been frequently raised, a paucity of systematic information regarding key factors associated with self-harm among asylum seekers exists. The present study was designed therefore to fill a number of gaps in government monitoring by examining the government's own archived self-harm data. Via a descriptive analysis of self-harm incident reports from all operational Australian immigration detention facilities over a 20-month period to May 2011, obtained under Freedom of Information, the present study identified that 959 incidents of self-harm occurred during this period...
July 2017: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/28599015/torso-and-bowing-arm-three-dimensional-joint-kinematics-of-elite-cellists-clinical-and-pedagogical-implications-for-practice
#12
Luke Hopper, Cliffton Chan, Suzanne Wijsman, Timothy Ackland, Peter Visentin, Jacqueline Alderson
BACKGROUND: Elite cello playing requires complex and refined motor control. Cellists are prone to right shoulder and thoracolumbar injuries. Research informing injury management of cellists and cello pedagogy is limited. The aims of this study were to quantify the torso, right shoulder, and elbow joint movement used by elite cellists while performing a fundamental playing task, a C major scale, under two volume conditions. METHODS: An eight degrees of freedom upper limb biomechanical model was applied to 3D motion capture data of the torso, upper arm, and forearm for 31 cellists with a mean experience of 19...
June 2017: Medical Problems of Performing Artists
https://www.readbyqxmd.com/read/28589014/unethical-randomised-controlled-trial-of-cervical-screening-in-india-us-freedom-of-information-act-disclosures
#13
Eric J Suba, Robert E Ortega, David G Mutch
A randomised controlled trial conducted in Mumbai, India, compared invasive cervical cancer rates among women offered cervical screening with invasive cervical cancer rates among women offered no-screening. The US Office for Human Research Protections determined the Mumbai trial was unethical because informed consent was not obtained from trial participants. Reportedly, cervical screening in the Mumbai trial reduced invasive cervical cancer mortality rates, but not invasive cervical cancer incidence rates. Documents obtained through the US Freedom of Information Act disclose that the US National Cancer Institute funded the Mumbai trial from 1997 to 2015 to study 'visual inspection/downstaging' tests...
March 2017: BMJ Global Health
https://www.readbyqxmd.com/read/28588105/a-register-based-13-year-to-43-year-follow-up-of-70-patients-with-obsessive-compulsive-disorder-treated-with-capsulotomy
#14
Christian Rück, Johan K Larsson, David Mataix-Cols, Rickard Ljung
OBJECTIVES: Little is known about the long-term medical status of patients with severe obsessive-compulsive disorder (OCD) undergoing capsulotomy, a neurosurgical last-resort treatment. The present study used national registers to identify all operated patients with OCD in Sweden and evaluated their long-term medical status, including mortality, hospital admissions and psychotropic medication after capsulotomy for OCD. DESIGN: Register-based long-term follow-up cohort study...
June 6, 2017: BMJ Open
https://www.readbyqxmd.com/read/28579248/echocardiography-derived-left-ventricular-outflow-tract-gradient-and-left-ventricular-posterior-wall-thickening-are-associated-with-outcomes-for-anatomic-repair-in-congenitally-corrected-transposition-of-the-great-arteries
#15
Shreya Moodley, Sowmya Balasubramanian, Theresa A Tacy, Frandics Chan, Frank L Hanley, Rajesh Punn
BACKGROUND: Congenitally corrected transposition of the great arteries is a rare form of congenital heart disease. Management is controversial; options include observation, physiologic repair, and anatomic repair. Assessment of morphologic left ventricle preparedness is key in timing anatomic repair. This study's purpose was to review the modalities used to assess the morphologic left ventricle preoperatively and to determine if any echocardiographic variables are associated with outcomes...
June 1, 2017: Journal of the American Society of Echocardiography
https://www.readbyqxmd.com/read/28574238/an-administrative-right-to-be-free-from-sexual-violence-title-ix-enforcement-in-historical-and-institutional-perspective
#16
Karen M Tani
One of the most controversial administrative actions in recent years is the U.S. Department of Education's campaign against sexual assault on college campuses. Using its authority under Title IX of the Education Amendments of 1972 (mandating nondiscrimination on the basis of sex in all educational programs and activities receiving federal funds), the Department's Office for Civil Rights (OCR) has launched an enforcement effort that critics denounce as aggressive, manipulative, and corrosive of individual liberties...
2017: Duke Law Journal
https://www.readbyqxmd.com/read/28573871/the-importance-of-inclusion-for-cardiovascular-health-promotion-programs-in-delaware
#17
Mia A Papas, Nicole Stolz, Elizabeth Orsega-Smith, Eileen Sparling, Brian Freedman
Individuals with disabilities experience greater rates of cardiovascular disease than individuals without disabilities. This increase can be attributed to decreased levels of physical activity, poor eating habits, and increased levels of diabetes, smoking, and obesity. Individuals with disabilities are often excluded from surveillance, treatment, and prevention efforts. Consequently, there is little known about their participation rates in health promotion and disease prevention programs. The aims of this investigation are (1) to examine time trends in cardiovascular disease and risk factors over a 10-year period by disability status and (2) to assess the inclusiveness of health promotion programs in Delaware...
June 1, 2017: Health Promotion Practice
https://www.readbyqxmd.com/read/28566796/joint-volumetric-extraction-and-enhancement-of-vasculature-from-low-snr-3-d-fluorescence-microscopy-images
#18
Sepideh Almasi, Ayal Ben-Zvi, Baptiste Lacoste, Chenghua Gu, Eric L Miller, Xiaoyin Xu
To simultaneously overcome the challenges imposed by the nature of optical imaging characterized by a range of artifacts including space-varying signal to noise ratio (SNR), scattered light, and non-uniform illumination, we developed a novel method that segments the 3-D vasculature directly from original fluorescence microscopy images eliminating the need for employing pre- and post-processing steps such as noise removal and segmentation refinement as used with the majority of segmentation techniques. Our method comprises two initialization and constrained recovery and enhancement stages...
March 2017: Pattern Recognition
https://www.readbyqxmd.com/read/28566107/comparison-of-outcomes-in-australian-indigenous-and-non-indigenous-children-and-adolescents-undergoing-cardiac-surgery
#19
Edward R Justo, Benjamin M Reeves, Robert S Ware, Janelle C Johnson, Tom R Karl, Nelson D Alphonso, Robert N Justo
BACKGROUND: Population-based registries report 95% 5-year survival for children undergoing surgery for CHD. This study investigated paediatric cardiac surgical outcomes in the Australian indigenous population. METHODS: All children who underwent cardiac surgery between May, 2008 and August, 2014 were studied. Demographic information including socio-economic status, diagnoses and co-morbidities, and treatment and outcome data were collected at time of surgery and at last follow-up...
June 1, 2017: Cardiology in the Young
https://www.readbyqxmd.com/read/28555774/post-fordist-reconfigurations-of-gender-work-and-life-theory-and-practice
#20
Breda Gray, Luigina Ciolfi, Aparecido Fabiano Pinatti de Carvalho, Anthony D'Andrea, Lisa Wixted
Based on an in-depth study with 56 informants (25 women and 31 men), across the ICT (information and communication technology), creative and academic sectors in one city/regional hub in Ireland, this article investigates the so-called revolution in work/life practices associated with the post-Fordist labour processes of the Knowledge Economy from the perspectives of workers themselves. Recent theorizations of post-Fordist work patterns emphasize a rearranging of work and life place boundaries; a reconfiguring of work and life time boundaries; and a dissolving of the gendered boundaries of work and life (production and social reproduction) (Adkins and Dever ; Morini and Fumagalli ; Gill and Pratt ; Weeks ; Hardt and Negri )...
May 29, 2017: British Journal of Sociology
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