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Learning difficulties

Steve Majerus, Nelson Cowan
Verbal short-term memory (STM) impairment is one of the most consistent associated deficits observed in developmental reading disorders such as dyslexia. Few studies have addressed the nature of this STM impairment, especially as regards the ability to temporarily store serial order information. This question is important as studies in typically developing children have shown that serial order STM abilities are predictors of oral and written language development. Associated serial order STM deficits in dyslexia may therefore further increase the learning difficulties in these populations...
2016: Frontiers in Psychology
J E Dietrich, D L Yee, X M Santos, J L Bercaw-Pratt, J Kurkowski, H Soni, Y J Lee-Kim, M D Shah, D Mahoney, L V Srivaths
BACKGROUND: Bleeding disorders (BD) occur in up to 50% of adolescents with heavy menstrual bleeding (HMB). This presents unique challenges to healthcare providers given the complexity of treating the condition and such complexity can result in difficulty with patients understanding basic information about their condition, limit communication with medical providers, and patient compliance. SPECIFIC AIMS: To use an electronic approach to enhance patient compliance with medications used to treat their HMB...
October 14, 2016: Journal of Pediatric and Adolescent Gynecology
Gordon D Logan, Jana E Ulrich, Dakota R B Lindsey
Fine motor skills like typing involve a mapping problem that trades Fitts' law against Hick's law. Eight fingers have to be mapped onto 26 keys. Movement time increases with distance, so Fitts' law is optimized by recruiting more fingers. Choice difficulty increases with the number of alternatives, so Hick's law is optimized by recruiting fewer fingers. The effect of the number of alternatives decreases with consistent practice, so skilled typists achieve a balance between Fitts' law and Hick's law through learning...
October 17, 2016: Journal of Experimental Psychology. Human Perception and Performance
Dana Wong, Kelly Sinclair, Elizabeth Seabrook, Adam McKay, Jennie Ponsford
PURPOSE: Smartphones have great potential as a convenient, multifunction tool to support cognition and independence following traumatic brain injury (TBI). However, there has been limited investigation of their helpful and less helpful aspects for people with TBI. We aimed to investigate patterns of smartphone use amongst individuals with TBI, identify potential barriers to use, and examine the relationships between smartphone use and daily functioning. METHOD: Twenty-nine participants with TBI and 33 non-injured participants completed the Smartphone Survey, and measures of subjective and objective cognitive functioning, mood, and community integration...
October 17, 2016: Disability and Rehabilitation
Carmen Brankaer, Pol Ghesquière, Anke De Wel, Ann Swillen, Bert De Smedt
Cross-syndrome comparisons offer an important window onto understanding heterogeneity in mathematical learning disabilities or dyscalculia. The present study therefore investigated symbolic numerical magnitude processing in two genetic syndromes that are both characterized by mathematical learning disabilities: Turner syndrome and 22q11.2 deletion syndrome (22q11DS). We further verified whether the phenotypic outcomes of these syndromes emerged from the same or different cognitive processes and therefore examined whether numerical impairments were related to working memory deficits, often observed in these syndromes...
October 17, 2016: Developmental Science
Andrew A M Ibey, Derek Andrews, Barb Ferreira
The authors present a case in which a physical anomaly with an infusion pump resulted in an unforeseen fault that the nurse's attempts to resolve unknowingly exacerbated. This case study presents the first report in the literature to detail the difficulty in recreating a patient safety event using smart pump logs, support server continuous quality improvement (CQI) data, and the drug order entry system to elucidate the clinical scenario. A 75-year-old male patient presented to a major teaching hospital and was admitted to the intensive care unit (ICU) with a massive gastrointestinal bleed and myocardial infarction, then stabilized...
December 2016: Drug Saf Case Rep
Barnan Das, Diane J Cook, Narayanan C Krishnan, Maureen Schmitter-Edgecombe
Caring for individuals with dementia is frequently associated with extreme physical and emotional stress, which often leads to depression. Smart home technology and advances in machine learning techniques can provide innovative solutions to reduce caregiver burden. One key service that caregivers provide is prompting individuals with memory limitations to initiate and complete daily activities. We hypothesize that sensor technologies combined with machine learning techniques can automate the process of providing reminder-based interventions...
August 2016: IEEE Journal of Selected Topics in Signal Processing
Jasmine Abdulcadir, Lucrezia Catania, Michelle Jane Hindin, Lale Say, Patrick Petignat, Omar Abdulcadir
Female genital mutilation comprises all procedures that involve partial or total removal of the external female genitalia or injury to the female genital organs for nonmedical reasons. Health care providers for women and girls living with female genital mutilation have reported difficulties in recognizing, classifying, and recording female genital mutilation, which can adversely affect treatment of complications and discussions of the prevention of the practice in future generations. According to the World Health Organization, female genital mutilation is classified into four types, subdivided into subtypes...
October 6, 2016: Obstetrics and Gynecology
Louise Morgan, Sophie Khadr, Susan Bewley
OBJECTIVE: To describe demographic and assault-related characteristics of children attending an acute sexual assault referral centre in London within a week of alleged sexual assault. DESIGN: Retrospective case note review of all children aged 12 years and under who reported between 1 January 2008 and 31 December 2013. MAIN OUTCOME MEASURES: Age, sex, ethnicity, drugs and alcohol around the time of assault, nature of offence, relationship with perpetrator, additional violence, verbal threats, presence of injury...
October 13, 2016: Archives of Disease in Childhood
Christian M Parobek, Frederick I Archer, Michelle E DePrenger-Levin, Sean M Hoban, Libby Liggins, Allan E Strand
Simulations are a key tool in molecular ecology for inference and forecasting, as well as for evaluating new methods. Due to growing computational power and a diversity of software with different capabilities, simulations are becoming increasingly powerful and useful. However, the widespread use of simulations by geneticists and ecologists is hindered by difficulties in understanding these softwares' complex capabilities, composing code and input files, a daunting bioinformatics barrier, and a steep conceptual learning curve...
October 13, 2016: Molecular Ecology Resources
Amy H Y Chan, Alistair W Stewart, Juliet M Foster, Edwin A Mitchell, Carlos A Camargo, Jeff Harrison
Adherence to preventive asthma treatment is poor, particularly in children, yet the factors associated with adherence in this age group are not well understood. Adherence was monitored electronically over 6 months in school-aged children who attended a regional emergency department in New Zealand for an asthma exacerbation and were prescribed twice-daily inhaled corticosteroids. Participants completed questionnaires including assessment of family demographics, asthma responsibility and learning style. Multivariable analysis of factors associated with adherence was conducted...
January 2016: ERJ Open Research
Svyatoslav Vergun, Wolfgang Gaggl, Veena A Nair, Joshua I Suhonen, Rasmus M Birn, Azam S Ahmed, M Elizabeth Meyerand, James Reuss, Edgar A DeYoe, Vivek Prabhakaran
Functional magnetic resonance imaging studies have significantly expanded the field's understanding of functional brain activity of healthy and patient populations. Resting state (rs-) fMRI, which does not require subjects to perform a task, eliminating confounds of task difficulty, allows examination of neural activity and offers valuable functional mapping information. The purpose of this work was to develop an automatic resting state network (RSN) labeling method which offers value in clinical workflow during rs-fMRI mapping by organizing and quickly labeling spatial maps into functional networks...
2016: Frontiers in Neuroscience
Jess E Reynolds, Sophie Kerrigan, Catherine Elliott, Brendan S Lay, Melissa K Licari
It has been hypothesized that deficits in imitation, linked to abnormal functioning of the mirror neuron system (MNS), may contribute to the motor impairments associated with developmental coordination disorder (DCD). The authors aimed to examine imitation of complex novel postures and sequences of gestures in children with and without probable DCD (pDCD), using the postural praxis and sequencing praxis subtests of the Sensory Integration and Praxis Tests (Ayres, 1989 ). Participants were 29 boys with pDCD between 6...
October 11, 2016: Journal of Motor Behavior
Andrej A Kibrik, Mariya V Khudyakova, Grigory B Dobrov, Anastasia Linnik, Dmitrij A Zalmanov
We report a study of referential choice in discourse production, understood as the choice between various types of referential devices, such as pronouns and full noun phrases. Our goal is to predict referential choice, and to explore to what extent such prediction is possible. Our approach to referential choice includes a cognitively informed theoretical component, corpus analysis, machine learning methods and experimentation with human participants. Machine learning algorithms make use of 25 factors, including referent's properties (such as animacy and protagonism), the distance between a referential expression and its antecedent, the antecedent's syntactic role, and so on...
2016: Frontiers in Psychology
Thomas Altmann, Andrew R Gennery
DNA ligase IV deficiency is a rare primary immunodeficiency, LIG4 syndrome, often associated with other systemic features. DNA ligase IV is part of the non-homologous end joining mechanism, required to repair DNA double stranded breaks. Ubiquitously expressed, it is required to prevent mutagenesis and apoptosis, which can result from DNA double strand breakage caused by intracellular events such as DNA replication and meiosis or extracellular events including damage by reactive oxygen species and ionising radiation...
October 7, 2016: Orphanet Journal of Rare Diseases
Erinn H Finke
Purpose: Individuals with autism spectrum disorder (ASD) have social deficits that affect making and maintaining friends. Many empirically tested methods to address these social deficits are available, yet difficulties related to the establishment and maintenance of authentic friendships persist. Method: This viewpoint article (a) briefly reviews the current state of the science relative to social and friendship skills training for individuals with ASD, (b) considers the potential links (or lack thereof) between current social and friendship skill interventions for individuals with ASD and outcomes related to making and maintaining friends, (c) examines how friendship-related outcomes might be maximized, and (d) proposes a framework for intervention planning that may promote these valued outcomes...
October 7, 2016: American Journal of Speech-language Pathology
Guangyu Lu, Yaobao Liu, Claudia Beiersmann, Yu Feng, Jun Cao, Olaf Müller
BACKGROUND: China has made great progress in malaria control over the last century and now aims to eliminate malaria by 2020. In 2012, the country launched its 1-3-7 surveillance and response strategy for malaria elimination. The strategy involves to case reporting within 1 day, case investigation within 3 days, and focus investigation and public health actions within 7 days. The aim of this study was to evaluate the challenges in and lessons learned during the implementation of the 1-3-7 strategy in China so far...
October 5, 2016: Infectious Diseases of Poverty
Olivier White, Robert M French
Non-luminance-mediated changes in pupil diameter have been used since the first studies by Darwin in 1872 as indicators of clinical, cognitive, and arousal states. However, the relation between processes involved in motor control and changes in pupil diameter remains largely unknown. Twenty participants attempted to compensate random walks of a cursor with a computer mouse to restrain its trajectory within a target circle while the authors recorded their pupil diameters. Two conditions allowed the authors to experimentally manipulate the motor and cognitive components of the task...
August 11, 2016: Journal of Motor Behavior
Haruo Fujino, Yuko Iwata, Toshio Saito, Tsuyoshi Matsumura, Harutoshi Fujimura, Osamu Imura
Patients experience extreme difficulty when facing an intractable genetic disease. Herein, we examine the experiences of patients with Duchenne muscular dystrophy in facing and learning about their disease. A total of seven patients with Duchenne muscular dystrophy (age range: 20-48) participated. We conducted in-depth interviews with them about how they learned of their disease and how their feelings regarding the disease changed over time. Transcribed data were analysed using thematic analysis. The following themes emerged from this analysis: "experiences before receiving the diagnosis," "experiences when they learned of their condition and progression of the disease," "supports," and "desired explanations...
2016: International Journal of Qualitative Studies on Health and Well-being
Matthew S Delfiner, Luis R Martinez, Charles S Pavia
BACKGROUND: Laboratory diagnostic tests have an essential role in patient care, and the increasing number of medical and health professions schools focusing on teaching laboratory medicine to pre-clinical students reflects this importance. However, data validating the pedagogical methods that best influence students' comprehension and interpretation of diagnostic tests have not been well described. The Gram stain is a simple yet significant and frequently used diagnostic test in the clinical setting that helps classify bacteria into two major groups, Gram positive and negative, based on their cell wall structure...
2016: PloS One
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