keyword
MENU ▼
Read by QxMD icon Read
search

Operant learning

keyword
https://www.readbyqxmd.com/read/29040672/unsupervised-learning-of-spatiotemporal-interictal-discharges-in-focal-epilepsy
#1
Maxime O Baud, Jonathan K Kleen, Gopala K Anumanchipalli, Liberty S Hamilton, Yee-Leng Tan, Robert Knowlton, Edward F Chang
BACKGROUND: Interictal epileptiform discharges are an important biomarker for localization of focal epilepsy, especially in patients who undergo chronic intracranial monitoring. Manual detection of these pathophysiological events is cumbersome, but is still superior to current rule-based approaches in most automated algorithms. OBJECTIVE: To develop an unsupervised machine-learning algorithm for the improved, automated detection and localization of interictal epileptiform discharges based on spatiotemporal pattern recognition...
October 10, 2017: Neurosurgery
https://www.readbyqxmd.com/read/29040142/proposal-of-a-budget-friendly-camera-holder-for-endoscopic-ear-surgery
#2
Orhan Ozturan, Alper Yenigun, Fadlullah Aksoy, Burak Ertas
Endoscopic ear surgery (EES) is increasingly a preferred technique in otologic society. It offers excellent visualization of the anatomical structures directly and behind the corners with variable angled telescopes. It also provides reduced operative morbidity due to being able to perform surgical interventions with less invasive approaches. Operative preparation and setup time and cost of endoscopy system are less expensive compared with surgical microscopes. On the other hand, the main disadvantage of EES is that the surgery has to be performed with 1 single hand...
October 16, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29036877/a-hybrid-cnn-feature-model-for-pulmonary-nodule-malignancy-risk-differentiation
#3
Huafeng Wang, Tingting Zhao, Lihong Connie Li, Haixia Pan, Wanquan Liu, Haoqi Gao, Fangfang Han, Yuehai Wang, YiFang Qi, Zhengrong Liang
The malignancy risk differentiation of pulmonary nodule is one of the most challenge tasks of computer-aided diagnosis (CADx). Most recently reported CADx methods or schemes based on texture and shape estimation have shown relatively satisfactory on differentiating the risk level of malignancy among the nodules detected in lung cancer screening. However, the existing CADx schemes tend to detect and analyze characteristics of pulmonary nodules from a statistical perspective according to local features only. Enlightened by the currently prevailing learning ability of convolutional neural network (CNN), which simulates human neural network for target recognition and our previously research on texture features, we present a hybrid model that takes into consideration of both global and local features for pulmonary nodule differentiation using the largest public database founded by the Lung Image Database Consortium and Image Database Resource Initiative (LIDC-IDRI)...
October 10, 2017: Journal of X-ray Science and Technology
https://www.readbyqxmd.com/read/29036169/developing-a-dengue-forecast-model-using-machine-learning-a-case-study-in-china
#4
Pi Guo, Tao Liu, Qin Zhang, Li Wang, Jianpeng Xiao, Qingying Zhang, Ganfeng Luo, Zhihao Li, Jianfeng He, Yonghui Zhang, Wenjun Ma
BACKGROUND: In China, dengue remains an important public health issue with expanded areas and increased incidence recently. Accurate and timely forecasts of dengue incidence in China are still lacking. We aimed to use the state-of-the-art machine learning algorithms to develop an accurate predictive model of dengue. METHODOLOGY/PRINCIPAL FINDINGS: Weekly dengue cases, Baidu search queries and climate factors (mean temperature, relative humidity and rainfall) during 2011-2014 in Guangdong were gathered...
October 16, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29035606/awareness-perception-and-barriers-to-seeking-information-from-online-academic-databases-and-medical-journals-as-sources-of-information
#5
Li Ping Wong, Sharina Mahavera Mohamad Shakir, Wen Ting Tong, Haridah Alias, Nasrin Aghamohammadi, Kulenthran Arumugam
Medical students' use of online medical journals as a source of information is crucial in the learning pathway to become medical doctors. We conducted a cross-sectional survey study among University medical students between December 2012 and March 2013 to assess their awareness, perceived usefulness, practices, and barriers to seeking information from online academic databases and medical journals. The response rate was 67.53%. The majority of the students knew of the availability of online academic databases and medical journals...
October 16, 2017: Informatics for Health & Social Care
https://www.readbyqxmd.com/read/29034123/ecological-niche-modeling-for-filoviruses-a-risk-map-for-ebola-and-marburg-virus-disease-outbreaks-in-uganda
#6
Luke Nyakarahuka, Samuel Ayebare, Gladys Mosomtai, Clovice Kankya, Julius Lutwama, Frank Norbert Mwiine, Eystein Skjerve
INTRODUCTION: Uganda has reported eight outbreaks caused by filoviruses between 2000 to 2016, more than any other country in the world. We used species distribution modeling to predict where filovirus outbreaks are likely to occur in Uganda to help in epidemic preparedness and surveillance. METHODS: The MaxEnt software, a machine learning modeling approach that uses presence-only data was used to establish filovirus - environmental relationships. Presence-only data for filovirus outbreaks were collected from the field and online sources...
September 5, 2017: PLoS Currents
https://www.readbyqxmd.com/read/29032428/usability-operations-on-touch-mobile-devices-for-users-with-autism
#7
Angeles Quezada, Reyes Juárez-Ramírez, Samantha Jiménez, Alan Ramírez Noriega, Sergio Inzunza, Arnulfo Alanis Garza
The Autistic Spectrum Disorder is a cognitive disorder that affects the cognitive and motor skills; due that, users cannot perform digital and fine motor tasks. It is necessary to create software applications that adapt to the abilities of these users. In recent years has been an increase in the research of the use of technology to support autistic users to develop their communication skills and to improve learning. However, the applications' usability for disable users is not assessed objectively as the existing models do not consider interaction operators for disable users...
October 14, 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/29031567/operation-breakthrough-in-2017-builds-on-the-past
#8
Mary Esselman, Brijin Gardner, Marsha Gillespie
Operation Breakthrough (OB) is one of Missouri's largest early Head Start program and provides a variety of other services related to early childhood education and family support to low-income families who live in the poorest neighborhoods of Kansas City. Currently 96% of its preschool children enter kindergarten ready to learn. Current CLASS(TM) scores for Emotional Support, Organizational Support, and Instructional Support exceed national averages. In this paper, we describe the range of services it provides and give details of its organizational structure and budget...
September 2017: Current Problems in Pediatric and Adolescent Health Care
https://www.readbyqxmd.com/read/29030711/the-learning-curve-in-short-stem-tha-influence-of-the-surgeon-s-experience-on-intraoperative-adjustments-due-to-intraoperative-radiography
#9
Lennard Loweg, Karl Philipp Kutzner, Matthias Trost, Marlene Hechtner, Philipp Drees, Joachim Pfeil, Michael Schneider
INTRODUCTION: Short-stem THA has become increasingly popular over the last decade. However, implantation technique differs from conventional THA and thus possibly involves a distinct learning curve. The purpose of this study was to evaluate the value of intraoperative radiography and the influence of the surgeon's experience on intraoperative adjustments in short-stem THA. METHODS: A total of 287 consecutive short-stem THAs, operated by a total of 24 senior consultants, consultants and residents in training, were prospectively included...
October 13, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/29029766/diagnostic-performance-of-gadofosveset-enhanced-axillary-mri-for-nodal-re-staging-in-breast-cancer-patients-results-of-a-validation-study
#10
T J A van Nijnatten, R-J Schipper, M B I Lobbes, L M van Roozendaal, S Vöö, M Moossdorff, M-L Paiman, B de Vries, K B M I Keymeulen, J E Wildberger, M L Smidt, R G H Beets-Tan
AIM: To evaluate diagnostic performance of gadofosveset (GDF)-enhanced magnetic resonance imaging (MRI) in addition to T2-weighted (T2W) MRI for nodal (re)staging in newly diagnosed breast cancer patients. MATERIALS AND METHODS: Ninety patients underwent axillary T2W- and GDF-MRI. Two radiologists independently scored each lymph node; first on T2W-MRI, subsequently adjusting their score on GDF-MRI. Diagnostic performance parameters were calculated on node-by-node and patient-by-patient validation with histopathology as the reference standard...
October 10, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/29028193/landmark-based-shape-encoding-and-sparse-dictionary-learning-in-the-continuous-domain
#11
Daniel Schmitter, Michael Unser
We provide a generic framework to learn shape dictionaries of landmark-based curves that are defined in the continuous domain. We first present an unbiased alignment method that involves the construction of a mean shape as well as training sets whose elements are subspaces that contain all affine transformations of the training samples. The alignment relies on orthogonal projection operators that have a closed form. We then present algorithms to learn shape dictionaries according to the structure of the data that needs to be encoded: a) projectionbased functional principal-component analysis for homogeneous data and b) continuous-domain sparse shape encoding to learn dictionaries that contain imbalanced data, outliers, or different types of shape structures...
October 12, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/29027622/minimally-invasive-techniques-for-lumbar-decompressions-and-fusions
#12
REVIEW
Ankur S Narain, Fady Y Hijji, Jonathan S Markowitz, Krishna T Kudaravalli, Kelly H Yom, Kern Singh
PURPOSE OF REVIEW: The purpose of this study is to summarize the recent literature investigating the use of minimally invasive (MIS) techniques in the treatment of lumbar degenerative stenosis, spondylolisthesis, and scoliosis. RECENT FINDINGS: MIS lumbar decompression and fusion techniques for degenerative pathology are associated with reduced operative morbidity, shortened length of hospital stay, and reduced postoperative pain and narcotics utilization. Recent studies with long-term clinical follow-up have demonstrated equivalence in clinical outcomes between open and MIS surgical procedures...
October 11, 2017: Current Reviews in Musculoskeletal Medicine
https://www.readbyqxmd.com/read/29027573/dose-reduction-for-fluoroscopically-guided-injections-phantom-simulation-and-patient-procedures
#13
C Y Chang, F J Simeone, M C DeLorenzo, W E Palmer, M A Bredella, A J Huang
OBJECTIVE: To demonstrate fluoroscopy dose reduction through both simulated injections on a phantom and patient injections. MATERIALS AND METHODS: Our study was IRB-approved and HIPAA-compliant. Simulation on a phantom was used to estimate effective dose, entrance dose, and organ doses for hip joint injections without and with dose minimization technique (DMT). Additionally, 1,094 joint, bursae, and tendon sheath injections performed by three operators in the same fluoroscopy suite were evaluated both before and after application of DMT...
October 13, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/29024835/managed-access-technology-to-combat-contraband-cell-phones-in-prison-findings-from-a-process-evaluation
#14
Eric Grommon
Cell phones in correctional facilities have emerged as one of the most pervasive forms of modern contraband. This issue has been identified as a top priority for many correctional administrators in the United States. Managed access, a technology that utilizes cellular signals to capture transmissions from contraband phones, has received notable attention as a promising tool to combat this problem. However, this technology has received little evaluative attention. The present study offers a foundational process evaluation and draws upon output measures and stakeholder interviews to identify salient operational challenges and subsequent lessons learned about implementing and maintaining a managed access system...
October 5, 2017: Evaluation and Program Planning
https://www.readbyqxmd.com/read/29024794/brain-computer-interface-with-the-p300-speller-usability-for-disabled-people-with-amyotrophic-lateral-sclerosis
#15
Violaine Guy, Marie-Hélène Soriani, Mariane Bruno, Théodore Papadopoulo, Claude Desnuelle, Maureen Clerc
OBJECTIVES: Amyotrophic lateral sclerosis (ALS), a progressive neurodegenerative disease, restricts patients' communication capacity a few years after onset. A proof-of-concept of brain-computer interface (BCI) has shown promise in ALS and "locked-in" patients, mostly in pre-clinical studies or with only a few patients, but performance was estimated not high enough to support adoption by people with physical limitation of speech. Here, we evaluated a visual BCI device in a clinical study to determine whether disabled people with multiple deficiencies related to ALS would be able to use BCI to communicate in a daily environment...
October 9, 2017: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/29024280/laparoscopic-pancreaticoduodenectomy-in-brisbane-australia-an-initial-experience
#16
Bhavik Patel, Universe Leung, Jerry Lee, Richard Bryant, Nicholas O'Rourke, David Cavallucci
BACKGROUND: The role of minimally invasive approach for pancreaticoduodenectomy has not yet been well defined in Australia. We present our early experience with laparoscopic pancreaticoduodenectomy (LPD) from Brisbane, Australia. METHODS: Retrospective review in a prospectively collected database of patients undergoing LPD between 2006 and 2016 was performed. Patients who underwent a hybrid LPD (HLPD) mobilization approach and resection followed by open reconstruction and totally LPD (TLPD) approach were included in this study...
October 11, 2017: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/29023688/developing-nursing-research-in-the-united-arab-emirates-a-narrative-review
#17
REVIEW
M McCreaddie, D Kuzemski, J Griffiths, E M Sojka, M Fielding, N Al Yateem, J J Williams
AIM: This article identified, critically analysed and synthesized the literature on international nursing and midwifery research capacity building and standards. BACKGROUND: The United Arab Emirates is heavily dependent up on expatriate nurses. Only 4% of nurses working within the country are Emirati. The nation is therefore committed to developing nurses and nursing as a profession. INTRODUCTION: The United Arab Emirates' Nursing and Midwifery Council was formed in 2009 and initially focused on regulation, education and specialization...
October 11, 2017: International Nursing Review
https://www.readbyqxmd.com/read/29023245/education-in-pediatrics-across-the-continuum-epac-first-steps-toward-realizing-the-dream-of-competency-based-education
#18
John S Andrews, James F Bale, Jennifer B Soep, Michele Long, Carol Carraccio, Robert Englander, Deborah Powell
The Education in Pediatrics Across the Continuum (EPAC) Study Group is developing the first competency-based, time-variable progression from undergraduate medical education (UME) to graduate medical education (GME) in the history of medical education in the United States. EPAC, an innovation project sponsored by the Association of American Medical Colleges (AAMC) and supported by the Josiah Macy Jr. Foundation, was developed through a collaboration between 5 medical schools and multiple professional organizations with an interest in undergraduate and graduate medical education...
October 11, 2017: Academic Medicine: Journal of the Association of American Medical Colleges
https://www.readbyqxmd.com/read/29022779/short-term-surgical-outcomes-and-patient-quality-of-life-between-robotic-and-laparoscopic-extralevator-abdominoperineal-excision-for-adenocarcinoma-of-the-rectum
#19
D Kamali, A Reddy, S Imam, K Omar, A Jha, M Jha
Introduction Some studies advocate a laparoscopic extralevator abdominoperineal excision (l-ELAPE) approach for low rectal cancer. The da Vinci™ robot (r-ELAPE) technique has potential to overcome some limitations of l-ELAPE, such as reduction of the learning curve and more precise tissue handling. It is unknown whether this approach results in improved surgical or quality of life outcomes compared with l-ELAPE. This study aimed to address this issue. Methods Consecutive patients having undergone either robotic or laparoscopic ELAPE for adenocarcinoma were studied...
September 15, 2017: Annals of the Royal College of Surgeons of England
https://www.readbyqxmd.com/read/29022372/machine-learning-based-models-to-predict-modes-of-toxic-action-of-phenols-to-tetrahymena-pyriformis
#20
J A Castillo-Garit, G M Casañola-Martin, S J Barigye, H Pham-The, F Torrens, A Torreblanca
The phenols are structurally heterogeneous pollutants and they present a variety of modes of toxic action (MOA), including polar narcotics, weak acid respiratory uncouplers, pro-electrophiles, and soft electrophiles. Because it is often difficult to determine correctly the mechanism of action of a compound, quantitative structure-activity relationship (QSAR) methods, which have proved their interest in toxicity prediction, can be used. In this work, several QSAR models for the prediction of MOA of 221 phenols to the ciliated protozoan Tetrahymena pyriformis, using Chemistry Development Kit descriptors, are reported...
September 2017: SAR and QSAR in Environmental Research
keyword
keyword
9066
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"