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Specific Learning Disability

Debra A Field, Roslyn W Livingstone
AIM: To identify and critically appraise standardized measures of power mobility skill used with children (18y or younger) with mobility limitations and explore the measures' application for 'exploratory', 'operational', and 'functional' learners. METHOD: Five electronic databases were searched along with hand-searching for peer-reviewed articles published in English to July 2017 (updated 31st August 2017). Key terms included power(ed) mobility, power(ed) wheelchair, and database-specific terms...
March 14, 2018: Developmental Medicine and Child Neurology
Agnes Norbury, Ben Seymour
Response rates to available treatments for psychological and chronic pain disorders are poor, and there is a considerable burden of suffering and disability for patients, who often cycle through several rounds of ineffective treatment. As individuals presenting to the clinic with symptoms of these disorders are likely to be heterogeneous, there is considerable interest in the possibility that different constellations of signs could be used to identify subgroups of patients that might preferentially benefit from particular kinds of treatment...
2018: F1000Research
Rebecca Lyndsey Hardiman, Peter McGill
Fragile X Syndrome (FXS) appears to be associated with an increased risk for engaging in challenging behaviour, particularly self-injury, relative to those with mixed aetiology learning disabilities. Such behavioural issues are reported to be of high concern for those providing support. As such, this systematic review aimed to gain further epidemiological data regarding challenging behaviours in individuals with FXS, including: self-injurious behaviour (SIB), hand-biting as a specific topography of SIB, aggression and property destruction...
March 7, 2018: Research in Developmental Disabilities
Daniela Mannarelli, Caterina Pauletti, Tommaso Accinni, Luca Carlone, Marianna Frascarelli, Guido Maria Lattanzi, Antonio Currà, Francesco Fattapposta
The 22q11 deletion syndrome (22q11DS), or DiGeorge syndrome (DG), is one of the most common genetic deletion syndromes. DG also carries a high risk for psychiatric disorders, with learning disabilities frequently being reported. Impairments in specific cognitive domains, such as executive functioning and attention, have also been described. The aim of this study was to investigate attentional functioning in a group of subjects with DG using ERPs, and in particular the P300 and CNV components. We studied ten patients with DG and ten healthy subjects that performed a P300 Novelty task and a CNV motor task...
March 8, 2018: Journal of Neural Transmission
A Özge Sungur, Lea Stemmler, Markus Wöhr, Marco B Rust
Autism spectrum disorder (ASD), schizophrenia (SCZ) and intellectual disability (ID) show a remarkable overlap in symptoms, including impairments in cognition, social behavior and communication. Human genetic studies revealed an enrichment of mutations in actin-related genes for these disorders, and some of the strongest candidate genes control actin dynamics. These findings led to the hypotheses: (i) that ASD, SCZ and ID share common disease mechanisms; and (ii) that, at least in a subgroup of affected individuals, defects in the actin cytoskeleton cause or contribute to their pathologies...
2018: Frontiers in Behavioral Neuroscience
Stefanos Tyrovolas, Noe Garin Escriva, Jose Luis Ayuso-Mateos, Somnath Chatterji, Ai Koyanagi, Marta Miret, Moneta Victoria, Beatriz Olaya, Beata Tobiasz-Adamczyk, Seppo Koskinen, Matilde Leonardi, Josep Maria Haro
BACKGROUND AND AIM: Frailty is characterized by several deficits in multiple health related domains. Although cognition is among the important components of frailty, there is lack of evidence on the role of specific neuro-cognitive dimensions. The primary aim of the present work was to evaluate the multidimensional definition of frailty, and to assess whether neuro-cognitive function is a constituent of the frailty syndrome among adults aged ≥50 years living in three European countries...
February 27, 2018: Experimental Gerontology
Sumaira Zamurrad, Hayden A M Hatch, Coralie Drelon, Helen M Belalcazar, Julie Secombe
Mutations in KDM5 family histone demethylases cause intellectual disability in humans. However, the molecular mechanisms linking KDM5-regulated transcription and cognition remain unknown. Here, we establish Drosophila as a model to understand this connection by generating a fly strain harboring an allele analogous to a disease-causing missense mutation in human KDM5C (kdm5A512P ). Transcriptome analysis of kdm5A512P flies revealed a striking downregulation of genes required for ribosomal assembly and function and a concomitant reduction in translation...
February 27, 2018: Cell Reports
Carlo Di Brina, Roberto Averna, Paola Rampoldi, Serena Rossetti, Roberta Penge
This pilot study is to investigate the influence of a developmental coordination disorder (DCD) comorbidity in a group of children with learning disability (LD). Reading and writing were assessed to investigate if the coexistence of a motor impairment can worsen writing quality, speed, and reading accuracy. A sample of 33 LD children (aged 7-11 years) was divided in two subgroups, on the base of their scores on the Movement Assessment Battery for Children: LD-only (n = 14) and LD with a comorbidity for DCD (LD-DCD, n = 19)...
February 28, 2018: Motor Control
David Moreau, Anna J Wilson, Nicole S McKay, Kasey Nihill, Karen E Waldie
Learning disabilities such as dyslexia, dyscalculia and their comorbid manifestation are prevalent, affecting as much as 15% of the population. Structural neuroimaging studies have indicated that these disorders can be related to differences in white matter integrity, although findings remain disparate. In this study, we used a unique design composed of individuals with dyslexia, dyscalculia, both disorders and controls, to systematically explore differences in fractional anisotropy across groups using diffusion tensor imaging...
2018: NeuroImage: Clinical
Meirav Hen
Academic procrastination is a prevalent behavior that negatively influences students' performance and well-being. The growing number of students with learning disabilities (LD) in higher education communities leads to the need to study and address academic procrastination in this unique population of students and to develop ways to prevent and intervene. The present study examined the difference in academic procrastination between LD, non-LD, and supported LD college students in Israel. Findings indicated a significant difference between the three groups, both in academic procrastination and in the desire to change this behavior...
April 2018: Journal of Prevention & Intervention in the Community
Aleksandra J Borek, Bel McDonald, Mary Fredlund, Gretchen Bjornstad, Stuart Logan, Christopher Morris
BACKGROUND: Parent carers of disabled children report poor physical health and mental wellbeing. They experience high levels of stress and barriers to engagement in health-related behaviours and with 'standard' preventive programmes (e.g. weight loss programmes). Interventions promoting strategies to improve health and wellbeing of parent carers are needed, tailored to their specific needs and circumstances. METHODS: We developed a group-based health promotion intervention for parent carers by following six steps of the established Intervention Mapping approach...
February 20, 2018: BMC Public Health
Howard Ring, James Howlett, Mark Pennington, Christopher Smith, Marcus Redley, Caroline Murphy, Roxanne Hook, Adam Platt, Nakita Gilbert, Elizabeth Jones, Joanna Kelly, Angela Pullen, Adrian Mander, Cam Donaldson, Simon Rowe, James Wason, Fiona Irvine
BACKGROUND: People with an intellectual (learning) disability (ID) and epilepsy have an increased seizure frequency, higher frequencies of multiple antiepileptic drug (AED) use and side effects, higher treatment costs, higher mortality rates and more behavioural problems than the rest of the population with epilepsy. The introduction of nurse-led care may lead to improvements in outcome for those with an ID and epilepsy; however, this has not been tested in a definitive clinical trial...
February 2018: Health Technology Assessment: HTA
Deborah S Hasin, Aaron L Sarvet, Jacquelyn L Meyers, Tulshi D Saha, W June Ruan, Malka Stohl, Bridget F Grant
Importance: No US national data are available on the prevalence and correlates of DSM-5-defined major depressive disorder (MDD) or on MDD specifiers as defined in DSM-5. Objective: To present current nationally representative findings on the prevalence, correlates, psychiatric comorbidity, functioning, and treatment of DSM-5 MDD and initial information on the prevalence, severity, and treatment of DSM-5 MDD severity, anxious/distressed specifier, and mixed-features specifier, as well as cases that would have been characterized as bereavement in DSM-IV...
February 14, 2018: JAMA Psychiatry
Neelkamal Soares, Teresa Evans, Dilip R Patel
Math skills are necessary for success in the childhood educational and future adult work environment. This article reviews the changing terminology for specific learning disabilities (SLD) in math and describes the emerging genetics and neuroimaging studies that relate to individuals with math disability (MD). It is important to maintain a developmental perspective on MD, as presentation changes with age, instruction, and the different models (educational and medical) of identification. Intervention requires a systematic approach to screening and remediation that has evolved with more evidence-based literature...
January 2018: Translational Pediatrics
Elizabeth Collier, Maria J Grant
PURPOSE: To illuminate long-term experiences of mental illness from both research and autobiographical accounts. DESIGN: A literature review of English-language papers, 1950-2014, relating to the experience of long-term mental illness indexed in AgeInfo, AMED, ASSIA, British Nursing Index (BNI), CINAHL, MEDLINE, PsycEXTRA, and PsychINFO. FINDINGS: Twenty-five research papers and nine autobiographic accounts met the review criteria. Thematic analysis revealed nine themes: fear, explanation seeking, stigma, disability, coping strategies, control, support, change and learning, and life history...
February 13, 2018: Issues in Mental Health Nursing
Jeffrey G Jarvik, Laura S Gold, Katherine Tan, Janna L Friedly, Srdjan S Nedeljkovic, Bryan A Comstock, Richard A Deyo, Judith A Turner, Brian W Bresnahan, Sean D Rundell, Kathryn T James, David R Nerenz, Andrew L Avins, Zoya Bauer, Larry Kessler, Patrick J Heagerty
BACKGROUND CONTEXT: Although back pain is common among older adults, there is relatively little research on the course of back pain in this age group. PURPOSE: Our primary goals were to report 2-year outcomes of older adults initiating primary care for back pain and to examine the relative importance of patient factors vs. medical interventions in predicting 2-year disability and pain. STUDY DESIGN/SETTING: Predictive model using data from a prospective, observational cohort from a primary care setting...
January 29, 2018: Spine Journal: Official Journal of the North American Spine Society
Jean-Baptiste Delaye, Franck Patin, Emmanuelle Lagrue, Olivier Le Tilly, Clement Bruno, Marie-Laure Vuillaume, Martine Raynaud, Isabelle Benz-de Bretagne, Frederic Laumonnier, Patrick Vourc'h, Christian Andres, Helene Blasco
Objectives Autism Spectrum Disorders (ASD) and Intellectual Disability (ID) present a challenge for therapeutic and dietary management. We performed a re-analysis of plasma amino acid chromatography (AAC) of children with ASD (n=22) or ID (n=29) to search for a metabolic signature that can distinguish individuals with these disorders from controls (n=30). Methods We performed univariate and multivariate analysis using different machine learning strategies, from the raw data of the AAC. Finally, we analyzed the metabolic pathways associated with discriminant biomarkers...
January 1, 2018: Annals of Clinical Biochemistry
Jimmy El Hokayem, Edwin Weeber, Zafar Nawaz
Angelman syndrome (AS) is a complex genetic disorder that affects the nervous system. AS affects an estimated 1 in 12,000 to 20,000 individuals. Characteristic features of AS includes developmental delay or intellectual disability, severe speech impairment, seizures, small head size (microcephaly), and problems with movement and balance (ataxia). AS individuals usually have microdeletion of the maternal copy of 15q11.2-15q13 region of chromosome 15. The E6-associated protein (E6AP, an E3 ubiquitin protein ligase enzyme) is encoded by the gene UBE3A, which is located in this region, and it has been shown that deregulation of E6AP gives rise to AS and neuropathology of autism spectrum disorders (ASDs) (e...
January 31, 2018: Molecular Neurobiology
Alarcos Cieza, Carla Sabariego, Jerome Bickenbach, Somnath Chatterji
Disability as a health outcome deserves more attention than it has so far received. With people living longer and the epidemiological transition from infectious to noncommunicable diseases as the major cause of health burden, we need to focus attention on disability - the non-fatal impact of heath conditions - over and above our concern for causes of mortality.With the first Global Burden of Disease study, WHO provided a metric that enabled the comparison of the impact of diseases, drawing on a model of disability that focused on decrements of health...
January 26, 2018: BMC Medicine
Tianyu Song, Shenghui Liang, Jiye Liu, Tingyue Zhang, Yifei Yin, Chenlu Geng, Shaobing Gao, Yan Feng, Hao Xu, Dongqing Guo, Amanda Roberts, Yuchun Gu, Yong Cang
Intellectual disability (ID), one of the most common human developmental disorders, can be caused by genetic mutations in Cullin 4B (Cul4B) and cereblon (CRBN). CRBN is a substrate receptor for the Cul4A/B-DDB1 ubiquitin ligase (CRL4) and can target voltage- and calcium-activated BK channel for ER retention. Here we report that ID-associated CRL4CRBN mutations abolish the interaction of the BK channel with CRL4, and redirect the BK channel to the SCFFbxo7 ubiquitin ligase for proteasomal degradation. Glioma cell lines harbouring CRBN mutations record density-dependent decrease of BK currents, which can be restored by blocking Cullin ubiquitin ligase activity...
January 25, 2018: PLoS Genetics
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