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https://www.readbyqxmd.com/read/29232042/evaluation-of-visual-motion-perception-ability-in-mice-with-knockout-of-the-dyslexia-candidate-susceptibility-gene-dcdc2
#1
Amanda R Rendall, Peter A Perrino, Joseph J LoTurco, R Holly Fitch
Developmental dyslexia is a heritable disability characterized by difficulties in learning to read and write that cannot be explained by comorbid factors such as intellectual impairment, lack of educational opportunity, or other neurological disorders (e.g. epilepsy or primary sensory impairments (blindness, deafness)). Dyslexia is considered a common neurodevelopmental disorder, affecting 5%-12% of the population (Lyon, Shaywitz & Shaywitz, 2003; Peterson & Pennington, 2012). It is also a highly heterogeneous disorder, with varied intermediate phenotypes, that include visual and cross-modal integration deficits...
December 12, 2017: Genes, Brain, and Behavior
https://www.readbyqxmd.com/read/29228793/effects-of-shambhavi-mahamudra-kriya-a-multicomponent-breath-based-yogic-practice-pranayama-on-perceived-stress-and-general-well-being
#2
Christine Tara Peterson, Sarah M Bauer, Deepak Chopra, Paul J Mills, Raj K Maturi
Stress-induced disorders such as anxiety represent the leading causes of adult disability worldwide. Previous studies indicate that yoga and other contemplative practices such as pranayama, or controlled yogic breathing techniques, may be effective in the treatment of mood disorders and stress. In this study, 142 individuals (mean age = 43 years; SD = 13.90) participated in a 3-day retreat program during which they learned Shambhavi Mahamudra kriya, which is a yogic practice that includes both deep breathing and meditation techniques...
January 1, 2017: Journal of Evidence-based Complementary & Alternative Medicine
https://www.readbyqxmd.com/read/29227799/cognitive-function-after-status-epilepticus-versus-after-multiple-generalized-tonic-clonic-seizures
#3
Kjersti N Power, Arne Gramstad, Nils Erik Gilhus, Karl Ove Hufthammer, Bernt A Engelsen
OBJECTIVES: Status epilepticus (SE) is considered a risk for cognitive impairment. Studies have indicated that SE cause more cognitive decline than multiple lifetime generalized tonic clonic (GTC) seizures. The aim of the study was to investigate whether patients suffering from SE or from multiple lifetime GTC seizures have cognitive dysfunction, and if the disabilities differ between these groups. MATERIALS AND METHODS: Patients suffering from SE were evaluated shortly after the clinical post-ictal phase and again after one year...
November 28, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/29226044/neuroanatomy-and-neuropsychology-of-pain
#4
REVIEW
Shehzad Khalid, R Shane Tubbs
We have reviewed here the neuroanatomical and neuropsychological literature of the human brain and have proposed the various pain mechanisms that we currently know of. Essentially when tissue is damaged, peripheral nociceptors are activated continuously and prostanoids are hence produced. Nonsteroidal anti-inflammatory drugs (NSAIDs) and medications aim to target these prostanoids to treat the inflammatory component of pain. Normal pain tends to have a protective response. It is important for the nervous system to learn and recognize this painful stimulus earlier and quicker with repeated exposure to avoid tissue damage...
October 6, 2017: Curēus
https://www.readbyqxmd.com/read/29224701/physical-activity-in-older-people-case-studies-of-how-to-make-change-happen
#5
REVIEW
Monica Rodrigues Perracini, Marcia Rodrigues Costa Franco, Natalia Aquaroni Ricci, Catherine Blake
Enhancing physical activity (PA) is recognized as a powerful intervention for the prevention and treatment of chronic diseases and disability in older people. Furthermore, there is an agreement that increased PA in daily life is a key determinant of active and healthy ageing and should be recommended for frail and sedentary older people. Unfortunately, relatively few older people engage in regular PA or stay active in the long term. This article summarizes and discusses PA recommendations for older adults without focussing on specific diseases, presents the main barriers and facilitators for increasing PA levels, and considers the implementation of these recommendations on the basis of the existing evidence...
April 2017: Best Practice & Research. Clinical Rheumatology
https://www.readbyqxmd.com/read/29221521/china-s-efforts-on-management-surveillance-and-research-of-noncommunicable-diseases-ncd-scorecard-project
#6
Xiao-Lei Zhu, Jie-Si Luo, Xiao-Chang Zhang, Yi Zhai, Jing Wu
BACKGROUND: The incidence of noncommunicable diseases (NCDs) is rising dramatically throughout the world. Aspects of researches concerned with the improvement and development of prevention and control of NCDs have been conducted. Furthermore, the influence of most determinants of the major NCDs has showed that a broad and deep response involving stakeholders in different sectors is required in the prevention and control of NCDs. OBJECTIVE: China has experienced an increase in NCDs in a short period compared with many countries...
May 2017: Annals of Global Health
https://www.readbyqxmd.com/read/29220673/de-novo-variants-in-gria4-lead-to-intellectual-disability-with-or-without-seizures-and-gait-abnormalities
#7
Sonja Martin, Adam Chamberlin, Deepali N Shinde, Maja Hempel, Tim M Strom, Allison Schreiber, Jessika Johannsen, Lilian Bomme Ousager, Martin J Larsen, Lars Kjaersgaard Hansen, Ali Fatemi, Julie S Cohen, Johannes Lemke, Kristina P Sørensen, Katherine L Helbig, Davor Lessel, Rami Abou Jamra
Using trio whole-exome sequencing, we have identified de novo heterozygous pathogenic variants in GRIA4 in five unrelated individuals with intellectual disability and other symptoms. GRIA4 encodes an AMPA receptor subunit known as GluR4, which is found on excitatory glutamatergic synapses and is important for learning and memory. Four of the variants are located in the highly conserved SYTANLAAF motif in the transmembrane protein M3, and the fifth is in an extra-cellular domain. Molecular modeling of the altered protein showed that three of the variants in the SYTANLAAF motif orient toward the center of the pore region and most likely lead to disturbance of the gating mechanism...
December 7, 2017: American Journal of Human Genetics
https://www.readbyqxmd.com/read/29218394/modulation-of-sphingosine-1-phosphate-s1p-attenuates-spatial-learning-and-memory-impairments-in-the-valproic-acid-rat-model-of-autism
#8
Hongmei Wu, Quanzhi Zhang, Jingquan Gao, Caihong Sun, Jia Wang, Wei Xia, Yonggang Cao, Yanqiu Hao, Lijie Wu
RATIONALE: Autism spectrum disorders (ASD) are a set of pervasive neurodevelopmental disorders that manifest in early childhood, and it is growing up to be a major cause of disability in children. However, the etiology and treatment of ASD are not well understood. In our previous study, we found that serum levels of sphingosine 1-phosphate (S1P) were increased significantly in children with autism, indicating that S1P levels may be involved in ASD. OBJECTIVE: The objective of this study was to identify a link between increased levels of S1P and neurobehavioral changes in autism...
December 7, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/29217836/drug-development-for-neurodevelopmental-disorders-lessons-learned-from-fragile-x-syndrome
#9
REVIEW
Elizabeth M Berry-Kravis, Lothar Lindemann, Aia E Jønch, George Apostol, Mark F Bear, Randall L Carpenter, Jacqueline N Crawley, Aurore Curie, Vincent Des Portes, Farah Hossain, Fabrizio Gasparini, Baltazar Gomez-Mancilla, David Hessl, Eva Loth, Sebastian H Scharf, Paul P Wang, Florian Von Raison, Randi Hagerman, Will Spooren, Sébastien Jacquemont
Neurodevelopmental disorders such as fragile X syndrome (FXS) result in lifelong cognitive and behavioural deficits and represent a major public health burden. FXS is the most frequent monogenic form of intellectual disability and autism, and the underlying pathophysiology linked to its causal gene, FMR1, has been the focus of intense research. Key alterations in synaptic function thought to underlie this neurodevelopmental disorder have been characterized and rescued in animal models of FXS using genetic and pharmacological approaches...
December 8, 2017: Nature Reviews. Drug Discovery
https://www.readbyqxmd.com/read/29217683/insulin-like-growth-factor-ii-targets-the-mtor-pathway-to-reverse-autism-like-phenotypes-in-mice
#10
Adam B Steinmetz, Sarah A Stern, Amy S Kohtz, Giannina Descalzi, Cristina M Alberini
Autism spectrum disorder (ASD) is a developmental disability characterized by impairments in social interaction and repetitive behavior, and is also associated with cognitive deficits. There is no current treatment that can ameliorate most of the ASD symptomatology; thus, identifying novel therapies is urgently needed. We used male BTBR T+Itpr3tf /J (BTBR) mice, a model that reproduces most of the core behavioral phenotypes of ASD, to test the effects of systemic administration of insulin like growth factor II (IGF-II), a polypeptide that crosses the blood brain barrier and acts as a cognitive enhancer...
December 6, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29214565/intellectual-disability-rare-disorders-a-diagnostic-challenge
#11
Malin Kvarnung, Ann Nordgren
Rare disorders constitute a large and heterogeneous group of diagnoses of which many cause chronic disabilities with significant impact on the lives of affected individuals and their families as well as on the health-care system. Each individual disorder is rare, but when considered as a group, rare disorders are common with a total prevalence of approximately 6-8%. The clinical presentation of these disorders includes a broad diversity of symptoms and signs, often involving the nervous system and resulting in symptoms such as intellectual disability, neuropsychiatric disorders, epilepsy and motor dysfunction...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29213278/translating-measures-of-biological-aging-to-test-effectiveness-of-geroprotective-interventions-what-can-we-learn-from-research-on-telomeres
#12
Waylon J Hastings, Idan Shalev, Daniel W Belsky
Intervention studies in animals suggest molecular changes underlying age-related disease and disability can be slowed or reversed. To speed translation of these so-called "geroprotective" therapies to prevent age-related disease and disability in humans, biomarkers are needed that can track changes in the rate of human aging over the course of intervention trials. Algorithm methods that measure biological processes of aging from combinations of DNA methylation marks or clinical biomarkers show promise. To identify next steps for establishing utility of these algorithm-based measures of biological aging for geroprotector trials, we considered the history a candidate biomarker of aging that has received substantial research attention, telomere length...
2017: Frontiers in Genetics
https://www.readbyqxmd.com/read/29210341/-without-this-program-women-can-lose-their-lives-migrant-women-s-experiences-with-the-safe-abortion-referral-programme-in-chiang-mai-thailand
#13
Ellen Tousaw, Ra Khin La, Grady Arnott, Orawee Chinthakanan, Angel M Foster
For displaced and migrant women in northern Thailand, access to health care is often limited, unwanted pregnancy is common, and unsafe abortion is a major contributor to maternal death and disability. Based on a pilot project and situational analysis research, in 2015 a multinational team introduced the Safe Abortion Referral Programme (SARP) in Chiang Mai, Thailand, to reduce the socio-linguistic, economic, documentation, and transportation barriers women from Burma face in accessing safe and legal abortion care in Thailand...
December 6, 2017: Reproductive Health Matters
https://www.readbyqxmd.com/read/29206685/intelligence-and-specific-cognitive-functions-in-intellectual-disability-implications-for-assessment-and-classification
#14
Marco O Bertelli, Sally-Ann Cooper, Luis Salvador-Carulla
PURPOSE OF REVIEW: Current diagnostic criteria for intellectual disability categorize ability as measured by IQ tests. However, this does not suit the new conceptualization of intellectual disability, which refers to a range of neuropsychiatric syndromes that have in common early onset, cognitive impairments, and consequent deficits in learning and adaptive functioning. A literature review was undertaken on the concept of intelligence and whether it encompasses a range of specific cognitive functions to solve problems, which might be better reported as a profile, instead of an IQ, with implications for diagnosis and classification of intellectual disability...
December 4, 2017: Current Opinion in Psychiatry
https://www.readbyqxmd.com/read/29205794/biallelic-mutations-in-lars2-can-cause-perrault-syndrome-type-2-with-neurologic-symptoms
#15
Rika Kosaki, Reiko Horikawa, Eriko Fujii, Kenjiro Kosaki
Perrault syndrome represents a genetically heterogeneous disorder characterized by sensorineural hearing loss in males and females and ovarian dysfunction in females. Causative genes include HARS2, HSD17B4, CLPP, C10orf2, and LARS2. Some patients with Perrault syndrome exhibit neurologic features including learning disability, cerebellar ataxia, and peripheral neuropathy and are classified as type 2 and are clinically separate from those without neurological symptoms other than a hearing loss (type 1). To date, all reported patients with LARS2 mutations (15 patients in 8 families) have been classified as type 1...
December 3, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/29203796/aerobic-exercise-and-a-bdnf-mimetic-therapy-rescue-learning-and-memory-in-a-mouse-model-of-down-syndrome
#16
Martina Parrini, Diego Ghezzi, Gabriele Deidda, Lucian Medrihan, Enrico Castroflorio, Micol Alberti, Pietro Baldelli, Laura Cancedda, Andrea Contestabile
Down syndrome (DS) is caused by the triplication of human chromosome 21 and represents the most frequent genetic cause of intellectual disability. The trisomic Ts65Dn mouse model of DS shows synaptic deficits and reproduces the essential cognitive disabilities of the human syndrome. Aerobic exercise improved various neurophysiological dysfunctions in Ts65Dn mice, including hippocampal synaptic deficits, by promoting synaptogenesis and neurotransmission at glutamatergic terminals. Most importantly, the same intervention also prompted the recovery of hippocampal adult neurogenesis and synaptic plasticity and restored cognitive performance in trisomic mice...
December 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29203082/training-tomorrow-s-doctors-to-explain-medically-unexplained-physical-symptoms-an-examination-of-uk-medical-educators-views-of-barriers-and-solutions
#17
Emmeline Joyce, Jennifer Cowing, Candice Lazarus, Charlotte Smith, Victoria Zenzuck, Sarah Peters
OBJECTIVE: Co-occuring physical symptoms, unexplained by organic pathology (known as Functional Syndromes, FS), are common and disabling presentations. However, FS is absent or inconsistently taught within undergraduate medical training. This study investigates the reasons for this and identifies potential solutions to improved implementation. METHODS: Twenty-eight medical educators from thirteen different UK medical schools participated in semi-structured interviews...
November 28, 2017: Patient Education and Counseling
https://www.readbyqxmd.com/read/29200508/a-bayesian-network-meta-analysis-to-synthesize-the-influence-of-contexts-of-scaffolding-use-on-cognitive-outcomes-in-stem-education
#18
Brian R Belland, Andrew E Walker, Nam Ju Kim
Computer-based scaffolding provides temporary support that enables students to participate in and become more proficient at complex skills like problem solving, argumentation, and evaluation. While meta-analyses have addressed between-subject differences on cognitive outcomes resulting from scaffolding, none has addressed within-subject gains. This leaves much quantitative scaffolding literature not covered by existing meta-analyses. To address this gap, this study used Bayesian network meta-analysis to synthesize within-subjects (pre-post) differences resulting from scaffolding in 56 studies...
December 2017: Review of Educational Research
https://www.readbyqxmd.com/read/29198475/learning-to-live-with-a-hand-nerve-disorder-a-constructed-grounded-theory
#19
Mark Ashwood, Christina Jerosch-Herold, Lee Shepstone
STUDY DESIGN: Grounded theory. INTRODUCTION: The broader perspective of health offered by the World Health Organization's International Classification of Functioning, Disability and Health has had a significant bearing on how we view the measurement of health outcomes after surgical or therapy interventions for peripheral nerve disorders affecting the hand. The value of the patient's perspective is now recognized and outcomes which reflect this are being advocated in the clinical management and support of this population...
November 29, 2017: Journal of Hand Therapy: Official Journal of the American Society of Hand Therapists
https://www.readbyqxmd.com/read/29198282/neuropsychology-of-learning-disabilities-the-past-and-the-future
#20
Jack M Fletcher, Elena L Grigorenko
Over the past 50 years, research on children and adults with learning disabilities has seen significant advances. Neuropsychological research historically focused on the administration of tests sensitive to brain dysfunction to identify putative neural mechanisms underlying learning disabilities that would serve as the basis for treatment. Led by research on classifying and identifying learning disabilities, four pivotal changes in research paradigms have produced a contemporary scientific, interdisciplinary, and international understanding of these disabilities...
October 2017: Journal of the International Neuropsychological Society: JINS
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