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https://www.readbyqxmd.com/read/28749365/discriminative-joint-feature-topic-model-with-dual-constraints-for-wce-classification
#1
Yixuan Yuan, Xiwen Yao, Junwei Han, Lei Guo, Max Q-H Meng
Wireless capsule endoscopy (WCE) enables clinicians to examine the digestive tract without any surgical operations, at the cost of a large amount of images to be analyzed. The main challenge for automatic computer-aided diagnosis arises from the difficulty of robust characterization of these images. To tackle this problem, a novel discriminative joint-feature topic model (DJTM) with dual constraints is proposed to classify multiple abnormalities in WCE images. We first propose a joint-feature probabilistic latent semantic analysis (PLSA) model, where color and texture descriptors extracted from same image patches are jointly modeled with their conditional distributions...
July 25, 2017: IEEE Transactions on Cybernetics
https://www.readbyqxmd.com/read/28749362/incremental-codebook-adaptation-for-visual-representation-and-categorization
#2
Chunjie Zhang, Jian Cheng, Qi Tian
The bag-of-visual-words model is widely used for visual content analysis. For visual data, the codebook plays an important role for efficient representation. However, the codebook has to be relearned with the changes of training images. Once the codebook is changed, the encoding parameters of local features have to be recomputed. To alleviate this problem, in this paper, we propose an incremental codebook adaptation method for efficient visual representation. Instead of learning a new codebook, we gradually adapt a prelearned codebook using new images in an incremental way...
July 25, 2017: IEEE Transactions on Cybernetics
https://www.readbyqxmd.com/read/28749317/understanding-the-use-of-geographical-information-systems-gis-in-health-informatics-research-a-review
#3
Nicola Shaw, Suzanne McGuire
BACKGROUND: The purpose of this literature review is to understand geographical information systems (GIS) and how they can be applied to public health informatics, medical informatics, and epidemiology. METHOD: Relevant papers that reflected the use of geographical information systems (GIS) in health research were identified from four academic databases: Academic Search Complete, BioMed Central, PubMed Central, and Scholars Portal, as well as Google Scholar. The search strategy used was to identify articles with "geographic information systems", "GIS", "public health", "medical informatics", "epidemiology", and "health geography" as main subject headings or text words in titles and abstracts...
June 23, 2017: Journal of Innovation in Health Informatics
https://www.readbyqxmd.com/read/28749245/advances-in-our-understanding-of-immunization-and-vaccines-for-patients-with-systemic-lupus-erythematosus
#4
Nicola Luigi Bragazzi, Abdulla Watad, Kassem Sharif, Mohammad Adawi, Gali Aljadeff, Howard Amital, Yehuda Shoenfeld
INTRODUCTION: Systemic lupus erythematosus (SLE) is a chronic systemic autoimmune disease. In SLE, immune system dysfunction is postulated to result by virtue of the disease itself as well as by the impact of treatment modalities employed. A myriad of immune dysregulations occur including complement system dysfunction among others. Infectious agents are known to complicate the disease course in close to 25-45 % of SLE patients. METHODS: In this review a discussion of the immunogenicity and safety of viral and bacterial vaccinations in SLE was performed...
July 27, 2017: Expert Review of Clinical Immunology
https://www.readbyqxmd.com/read/28749229/effects-of-a-support-program-on-nurses-communication-with-hospitalized-children-s-families
#5
Hiroko Hashimoto
More than a few pediatric nurses experience difficulty in communicating with children's family members. However, effective means of providing communication support for pediatric nurses have not been examined sufficiently. This study aimed to develop and implement a communication support program for nurses to facilitate improved communication with families of hospitalized children, and to clarify changes in nurses' recognition and behavior toward communication with families in clinical settings. The program lasted 6 months and consisted of lectures, role-play, 4 communication models in which nurses experienced difficulty communicating with family members, and continued individual support...
September 2017: Compr Child Adolesc Nurs
https://www.readbyqxmd.com/read/28748763/induced-pluripotent-stem-cell-technology-a-paradigm-shift-in-medical-science-for-drug-screening-and-disease-modeling
#6
Meera Nair, Sardul Singh Sandhu, Anil Kumar Sharma
BACKGROUND: Induced Pluripotent Stem Cell (IPSC) Technology is the most advanced research as it offers an attractive alternative for establishing patient-specific IPSCs to recapitulate phenotypes of not only monogenic diseases (viz. Thalassaemia, Sickle cell anemia, Haemophilia, Tay-Sachs disease), but also late-onset polygenic diseases (viz. Parkinson's disease, Alzheimer's disease, schizophrenia). Over the hindsight, numerous studies of the past and current scientists have led to the production, maturation and understanding of induced pluripotent stem cell technology and its use in basic and clinical research...
July 27, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28748447/cross-modal-working-memory-binding-and-l1-l2-word-learning
#7
Shinmin Wang, Richard J Allen, Shin-Yi Fang, Ping Li
The ability to create temporary binding representations of information from different sources in working memory has recently been found to relate to the development of monolingual word recognition in children. The current study explored this possible relationship in an adult word-learning context. We assessed whether the relationship between cross-modal working memory binding and lexical development would be observed in the learning of associations between unfamiliar spoken words and their semantic referents, and whether it would vary across experimental conditions in first- and second-language word learning...
July 26, 2017: Memory & Cognition
https://www.readbyqxmd.com/read/28748334/effect-of-omega-3-and-6-supplementation-on-language-in-preterm-toddlers-exhibiting-autism-spectrum-disorder-symptoms
#8
Kelly W Sheppard, Kelly M Boone, Barbara Gracious, Mark A Klebanoff, Lynette K Rogers, Joseph Rausch, Christopher Bartlett, Daniel L Coury, Sarah A Keim
Delayed language development may be an early indicator of autism spectrum disorder (ASD). Early intervention is critical for children with ASD, and the present study presents pilot data on a clinical trial of omega-3 and -6 fatty acid supplementation and language development, a secondary trial outcome, in children at risk for ASD. We randomized 31 children to receive an omega-3 and -6 supplement or a placebo for 3 months, and measured their language abilities at baseline and after supplementation. Gesture use, but not word production, increased for children in the treatment group more than children in the placebo group...
July 26, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28748276/resuming-the-obsolete-term-small-head-when-microcephaly-occurs-without-cognitive-impairment
#9
Piero Pavone, Andrea D Praticò, Martino Ruggieri, Renata Rizzo, Raffaele Falsaperla
Microcephaly is defined as a head circumference measurement of 2 or 3 standard deviations below the mean for age and sex. However, distinguishing the value of -2 or -3 standard deviations as a cutoff is relevant in the clinical practice, since the limit of -3 standard deviations is more frequently associated with cognitive impairment. The use of ultrasound scans in pregnancy has allowed the identification of subjects with a measurement of the head circumference at the limit of the cutoff for gestational age, but who do not subsequently show cognitive delay...
July 26, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28747885/effects-of-aging-stereotype-threat-on-working-self-concepts-an-event-related-potentials-approach
#10
Baoshan Zhang, Yao Lin, Qianyun Gao, Magdalena Zawisza, Qian Kang, Xuhai Chen
Although the influence of stereotype threat (ST) on working self-concepts has been highlighted in recent years, its neural underpinnings are unclear. Notably, the aging ST, which largely influences older adults' cognitive ability, mental and physical health, did not receive much attention. In order to investigate these issues, electroencephalogram (EEG) data were obtained from older adults during a modified Stroop task using neutral words, positive and negative self-concept words in aging ST vs. neutral control conditions...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28747794/visual-perception-in-dyslexia-is-limited-by-sub-optimal-scale-selection
#11
Richard Johnston, Nicola J Pitchford, Neil W Roach, Timothy Ledgeway
Readers with dyslexia are purported to have a selective visual impairment but the underlying nature of the deficit remains elusive. Here, we used a combination of behavioural psychophysics and biologically-motivated computational modeling to investigate if this deficit extends to object segmentation, a process implicated in visual word form recognition. Thirty-eight adults with a wide range of reading abilities were shown random-dot displays spatially divided into horizontal segments. Adjacent segments contained either local motion signals in opposing directions or analogous static form cues depicting orthogonal orientations...
July 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28747411/stroke-of-the-inferiomedial-temporal-lobe-causing-word-agnosia
#12
Hardi Hassan, Huq Ehsanula, Mahendra Pattanshetti
A 69-year-old man presented with sudden loss of ability to recognise written words and remember the meaning of words and names. He could not name the town he lived in nor name his children. It was difficult for him to remember the meaning of concrete and abstract nouns. His speech fluency and understanding of casual talks were normal. He remembered that he had a conversation with his family that morning, but not the exact content. He was referred to the transient ischaemic attack clinic by his general practitioner as he scored low on the abbreviated mental test score...
July 26, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28747318/attention-and-memory-impairments-in-pediatric-patients-with-cystic-fibrosis-and-inflammatory-bowel-disease-in-comparison-to-healthy-controls
#13
Bartosz Piasecki, Maia Stanisławska-Kubiak, Wojciech Strzelecki, Ewa Mojs
The main aim of the study was to analyze and compare attention and memory performance in pediatric patients with cystic fibrosis (CF), inflammatory bowel disease (IBD) and in healthy controls. 28 patients with CF, 30 patients with IBD and 30 healthy subjects took part in the study (all in age range of 7-17). All subjects were in intellectual norm. To analyze the functioning of attention, the d2 Test of Attention by Brickenkamp (d2 test) was applied. Memory performance was assessed using the Benton Visual Retention Test (BVRT) and the Trial of 10 words...
July 26, 2017: Journal of Investigative Medicine: the Official Publication of the American Federation for Clinical Research
https://www.readbyqxmd.com/read/28746902/remembering-verbally-presented-items-as-pictures-brain-activity-underlying-visual-mental-images-in-schizophrenia-patients-with-visual-hallucinations
#14
Christian Stephan-Otto, Sara Siddi, Carl Senior, Jorge Cuevas-Esteban, Maria Rosa Cambra-Martí, Susana Ochoa, Gildas Brébion
BACKGROUND: Previous research suggests that visual hallucinations in schizophrenia consist of mental images mistaken for percepts due to failure of the reality-monitoring processes. However, the neural substrates that underpin such dysfunction are currently unknown. We conducted a brain imaging study to investigate the role of visual mental imagery in visual hallucinations. METHOD: Twenty-three patients with schizophrenia and 26 healthy participants were administered a reality-monitoring task whilst undergoing an fMRI protocol...
June 24, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28746808/effects-of-kisspeptin-on-diabetic-rat-platelets
#15
Zsófia Mezei, Sándor Váczi, Viktória Török, Csaba Stumpf, Rita Ónody, Imre Földesi, Gyula Szabó
Hyperglycemia, hyperlipidemia and free radicals result in platelet activation and atherogenesis. Kisspeptin (KP) is able to regulate metabolism, hemostasis and the development of atherosclerosis. We examined whether platelet aggregation of streptozotocin-induced diabetic rats depends on the inducer type and if KP-13 and RF-9 (a kisspeptin receptor modifier) can influence platelet function. We measured the speed and the maximum of aggregation, along with the area under the curve. Serum glucose and calcium levels and urine formation of diabetic animals increased, while the body weight and platelet count decreased...
July 26, 2017: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28746516/lifestyles-social-representations-construed-by-patients-with-myocardial-infarction-and-family-members
#16
Maria do Céu Mendes Pinto Marques, Felismina Rosa Parreira Mendes, Isaura da Conceição Cascalho Serra
Objective: The social representations of lifestyles construed by family members and patients diagnosed with myocardial infarction. Method: Exploratory qualitative study supported by the theory of social representations, with 70 patients and 70 family members of two Portuguese hospitals, one on the coast and one inland from January to June 2015. Structural analysis was performed using two questionnaires relying on the technique called Free Association of Words. Results: The evocations of patients and family members indicated weak convergence between the two groups in representing Lifestyle, yet showed the existence of knowledge that enhances a healthy lifestyle...
July 20, 2017: Revista Gaúcha de Enfermagem
https://www.readbyqxmd.com/read/28746463/speech-fluency-profile-on-different-tasks-for-individuals-with-parkinson-s-disease
#17
Fabiola Staróbole Juste, Claudia Regina Furquim de Andrade
Purpose: To characterize the speech fluency profile of patients with Parkinson's disease. Methods: Study participants were 40 individuals of both genders aged 40 to 80 years divided into 2 groups: Research Group - RG (20 individuals with diagnosis of Parkinson's disease) and Control Group - CG (20 individuals with no communication or neurological disorders). For all of the participants, three speech samples involving different tasks were collected: monologue, individual reading, and automatic speech...
July 20, 2017: CoDAS
https://www.readbyqxmd.com/read/28745655/-significance-of-anti-myelin-basic-protein-antibodies-for-ocular-hydrodynamic-disturbances-in-primary-open-angle-glaucoma
#18
M A Frolov, V G Likhvantseva, I V Kovelenova, M V Solomatina
The aim of the study was to investigate the significance of anti-myelin basic protein (MBP) antibodies (AB) for ocular hydrodynamic disturbances in primary open-angle glaucoma (POAG). The study was conducted using the enzyme-linked immunosorbent assay (ELISA). The patients included had either high-tension (82 cases), or normal-tension (62 patients) glaucoma (HTG and NTG). In 46.3% of HTG patients and 38.7% of NTG patients, anti-MBP antibodies were lower than in the controls. There were also some cases (12.9%) of increased AB production at NTG onset...
2017: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/28745552/human-interaction-with-robotic-systems-performance-and-workload-evaluations
#19
L Reinerman-Jones, D J Barber, J L Szalma, P A Hancock
We first tested the effect of differing tactile informational forms (i.e. directional cues vs. static cues vs. dynamic cues) on objective performance and perceived workload in a collaborative human-robot task. A second experiment evaluated the influence of task load and informational message type (i.e. single words vs. grouped phrases) on that same collaborative task. In both experiments, the relationship of personal characteristics (attentional control and spatial ability) to performance and workload was also measured...
July 26, 2017: Ergonomics
https://www.readbyqxmd.com/read/28745299/inferring-imagined-speech-using-eeg-signals-a-new-approach-using-riemannian-manifold-features
#20
Chuong H Nguyen, Georgios Karavas, Panagiotis Artemiadis
OBJECTIVE: In this paper, we investigate the suitability of imagined speech for Brain-Computer Interface applications (BCI). APPROACH: A novel method based on covariance matrix descriptors, which lie in Riemannian manifold, and the Relevance Vector Machines classifier is proposed. The method is applied on ElectroEncephaloGraphic (EEG) signals and tested in multiple subjects. MAIN RESULTS: The method is shown to outperform other approaches in the field with respect to accuracy and robustness...
July 26, 2017: Journal of Neural Engineering
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