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Specific Learning Disability

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https://www.readbyqxmd.com/read/28918392/cnvs-affecting-cancer-predisposing-genes-cpgs-detected-as-incidental-findings-in-routine-germline-diagnostic-chromosomal-microarray-cma-testing
#1
Josie Innes, Lisa Reali, Jill Clayton-Smith, Georgina Hall, Derek Hk Lim, George J Burghel, Kim French, Unzela Khan, Daniel Walker, Fiona Lalloo, D Gareth R Evans, Dominic McMullan, Eamonn R Maher, Emma R Woodward
BACKGROUND: Identification of CNVs through chromosomal microarray (CMA) testing is the first-line investigation in individuals with learning difficulties/congenital abnormalities. Although recognised that CMA testing may identify CNVs encompassing a cancer predisposition gene (CPG), limited information is available on the frequency and nature of such results. METHODS: We investigated CNV gains and losses affecting 39 CPGs in 3366 pilot index case individuals undergoing CMA testing, and then studied an extended cohort (n=10 454) for CNV losses at 105 CPGs and CNV gains at 9 proto-oncogenes implicated in inherited cancer susceptibility...
September 16, 2017: Journal of Medical Genetics
https://www.readbyqxmd.com/read/28917696/brain-mapping-in-multiple-sclerosis-lessons-learned-about-the-human-brain
#2
REVIEW
Massimo Filippi, Paolo Preziosa, Maria A Rocca
The application of structural and functional magnetic resonance imaging (MRI) techniques in patients with multiple sclerosis (MS) has certainly helped to improve our understanding of the mechanisms responsible for clinical disability and cognitive impairment in this condition. The numerous studies performed in MS patients have also provided many lessons on the structure-function relationships in the human brain, which could be applied to healthy subjects and to patients affected by other neurological conditions...
September 13, 2017: NeuroImage
https://www.readbyqxmd.com/read/28915930/predicting-activities-of-daily-living-for-cancer-patients-using-an-ontology-guided-machine-learning-methodology
#3
Hua Min, Hedyeh Mobahi, Katherine Irvin, Sanja Avramovic, Janusz Wojtusiak
BACKGROUND: Bio-ontologies are becoming increasingly important in knowledge representation and in the machine learning (ML) fields. This paper presents a ML approach that incorporates bio-ontologies and its application to the SEER-MHOS dataset to discover patterns of patient characteristics that impact the ability to perform activities of daily living (ADLs). Bio-ontologies are used to provide computable knowledge for ML methods to "understand" biomedical data. RESULTS: This retrospective study included 723 cancer patients from the SEER-MHOS dataset...
September 16, 2017: Journal of Biomedical Semantics
https://www.readbyqxmd.com/read/28910243/fluoride-exposure-and-reported-learning-disability-diagnosis-among-canadian-children-implications-for-community-water-fluoridation
#4
Amanda M Barberio, Carlos Quiñonez, F Shaun Hosein, Lindsay McLaren
OBJECTIVES: Recent studies have connected increased fluoride exposure with increased risk of neurodevelopmental-related outcomes, such as ADHD (attention deficit hyperactivity disorder) and lower IQ in children. Our primary objective was to examine the association between fluoride exposure and reported diagnosis of a learning disability among a population-based sample of Canadian children aged 3-12 years. METHODS: We analyzed data from Cycles 2 and 3 of the Canadian Health Measures Survey...
September 14, 2017: Canadian Journal of Public Health. Revue Canadienne de Santé Publique
https://www.readbyqxmd.com/read/28901871/citizenship-and-learning-disabled-people-the-mental-health-charity-mind-s-1970s-campaign-in-historical%C3%A2-context
#5
Jonathan Toms
Current policy and practice directed towards people with learning disabilities originates in the deinstitutionalisation processes, civil rights concerns and integrationist philosophies of the 1970s and 1980s. However, historians know little about the specific contexts within which these were mobilised. Although it is rarely acknowledged in the secondary literature, MIND was prominent in campaigning for rights-based services for learning disabled people during this time. This article sets MIND's campaign within the wider historical context of the organisation's origins as a main institution of the inter-war mental hygiene movement...
October 2017: Medical History
https://www.readbyqxmd.com/read/28893075/classroom-acoustics-as-a-consideration-for-inclusive-education-in-south-africa
#6
Coralie Van Reenen, Catherine Karusseit
BACKGROUND: It can hardly be disputed that a school environment should be conducive or, at the very least, not prohibitive to effective learning. The provision of fair, equal and barrier-free access to education is referred to as inclusive education. South Africa supports a policy of inclusive schooling, striving to accommodate all children, including those with disabilities, in mainstream schools. This article sets out to prove that noise control in classrooms is a relevant, yet neglected, aspect of inclusive classroom design in South Africa and requires specific attention...
September 8, 2017: South African Journal of Communication Disorders. die Suid-Afrikaanse Tydskrif Vir Kommunikasieafwykings
https://www.readbyqxmd.com/read/28891745/motor-control-of-handwriting-in-the-developing-brain-a-review
#7
Sarah Palmis, Jeremy Danna, Jean-Luc Velay, Marieke Longcamp
This review focuses on the acquisition of writing motor aspects in adults, and in 5-to 12-year-old children without learning disabilities. We first describe the behavioural aspects of adult writing and dominant models based on the notion of motor programs. We show that handwriting acquisition is characterized by the transition from reactive movements programmed stroke-by-stroke in younger children, to an automatic control of the whole trajectory when the motor programs are memorized at about 10 years old. Then, we describe the neural correlates of adult writing, and the changes that could occur with learning during childhood...
September 11, 2017: Cognitive Neuropsychology
https://www.readbyqxmd.com/read/28885092/infant-discovery-learning-and-lower-extremity-coordination-influence-of-prematurity
#8
Barbara Sargent, Masayoshi Kubo, Linda Fetters
AIMS: Preterm infants at increased risk for neurodevelopmental disabilities, including cerebral palsy, demonstrate reduced selective leg joint coordination. Full-term infants demonstrate more selective hip-knee coordination when specific leg actions are reinforced using an overhead infant mobile. The purpose of this pilot study was to determine the ability of preterm infants to: (1) perform and learn through discovery, the contingency between leg action and mobile activation, and (2) demonstrate more selective hip-knee coordination when leg actions are reinforced with mobile activation...
September 8, 2017: Physical & Occupational Therapy in Pediatrics
https://www.readbyqxmd.com/read/28882412/a-flavonoid-agonist-of-the-trkb-receptor-for-bdnf-improves-hippocampal-neurogenesis-and-hippocampus-dependent-memory-in-the-ts65dn-mouse-model-of-ds
#9
Fiorenza Stagni, Andrea Giacomini, Sandra Guidi, Marco Emili, Beatrice Uguagliati, Maria Elisa Salvalai, Valeria Bortolotto, Mariagrazia Grilli, Roberto Rimondini, Renata Bartesaghi
Intellectual disability is the unavoidable hallmark of Down syndrome (DS), with a heavy impact on public health. Reduced neurogenesis and impaired neuron maturation are considered major determinants of altered brain function in DS. Since the DS brain starts at a disadvantage, attempts to rescue neurogenesis and neuron maturation should take place as soon as possible. The brain-derived neurotrophic factor (BDNF) is a neurotrophin that plays a key role in brain development by specifically binding to tropomyosin-related kinase receptor B (TrkB)...
September 4, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28877090/academic-achievement-deficits-and-their-neuropsychological-correlates-in-children-born-extremely-preterm
#10
Natacha Akshoomoff, Robert M Joseph, H Gerry Taylor, Elizabeth N Allred, Timothy Heeren, Thomas M OʼShea, Karl C K Kuban
OBJECTIVE: The purpose of this study was to examine the risks associated with learning disabilities (LDs) in a large sample of children born extremely preterm. We predicted higher than expected rates of LD, particularly in math, and children with LD in math, reading, or both would have lower intelligence quotients (IQs) and specific patterns of neuropsychological deficits. METHODS: We evaluated academic achievement, rates of LD, and their neuropsychological correlates in the Extremely Low Gestational Age Newborns (ELGANs) Study cohort of 10-year-old children born at 23 to 27 weeks gestational age...
September 1, 2017: Journal of Developmental and Behavioral Pediatrics: JDBP
https://www.readbyqxmd.com/read/28867206/evolution-of-vocal-diversity-through-morphological-adaptation-without-vocal-learning-or-complex-neural-control
#11
Sarah M Garcia, Cecilia Kopuchian, Gabriel B Mindlin, Matthew J Fuxjager, Pablo L Tubaro, Franz Goller
The evolution of complex behavior is driven by the interplay of morphological specializations and neuromuscular control mechanisms [1-3], and it is often difficult to tease apart their respective contributions. Avian vocal learning and associated neural adaptations are thought to have played a major role in bird diversification [4-8], whereas functional significance of substantial morphological diversity of the vocal organ remains largely unexplored. Within the most species-rich order, Passeriformes, "tracheophones" are a suboscine group that, unlike their oscine sister taxon, does not exhibit vocal learning [9] and is thought to phonate with tracheal membranes [10, 11] instead of the two independent sources found in other passerines [12-14]...
September 11, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28844067/cerebellar-lobule-atrophy-and-disability-in-progressive-ms
#12
Sirio Cocozza, Maria Petracca, Enricomaria Mormina, Korhan Buyukturkoglu, Kornelius Podranski, Monika M Heinig, Giuseppe Pontillo, Camilla Russo, Enrico Tedeschi, Cinzia Valeria Russo, Teresa Costabile, Roberta Lanzillo, Asaff Harel, Sylvia Klineova, Aaron Miller, Arturo Brunetti, Vincenzo Brescia Morra, Fred Lublin, Matilde Inglese
OBJECTIVE: To investigate global and lobular cerebellar volumetries in patients with progressive multiple sclerosis (MS), testing the contribution of cerebellar lobular atrophy to both motor and cognitive performances. METHODS: Eighty-two patients with progressive MS and 46 healthy controls (HC) were enrolled in this cross-sectional study. Clinical evaluation included motor and cognitive testing: Expanded Disability Status Scale, cerebellar Functional System score, Timed 25-Foot Walk Test, 9-Hole Peg Test (9-HPT), Symbol Digit Modalities Test (SDMT), Brief Visuospatial Memory Test-Revised (BVMT) and California Verbal Learning Test II (CVLT)...
August 26, 2017: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/28818679/improved-assays-for-agg-interruptions-in-fragile-x-premutation-carriers
#13
Bruce E Hayward, Karen Usdin
The learning disability fragile X syndrome results from the presence of >200 CGG/CCG-repeats in exon 1 of the X-linked gene FMR1. Such alleles arise by expansion from maternally transmitted FMR1 premutation alleles, alleles having 55 to 200 repeats. Expansion risk is directly related to maternal repeat number. However, AGG interruptions to the repeat tract are important modifiers of expansion risk. Thus, the ability to identify such interruptions is crucial for the appropriate genetic counseling of women who are premutation carriers...
August 14, 2017: Journal of Molecular Diagnostics: JMD
https://www.readbyqxmd.com/read/28813933/robotic-learning-from-demonstration-of-therapist-s-time-varying-assistance-to-a-patient-in-trajectory-following-tasks
#14
Mohammad Najafi, Kim Adams, Mahdi Tavakoli
The number of people with physical disabilities and impaired motion control is increasing. Consequently, there is a growing demand for intelligent assistive robotic systems to cooperate with people with disability and help them carry out different tasks. To this end, our group has pioneered the use of robot learning from demonstration (RLfD) techniques, which eliminate the need for task-specific robot programming, in robotic rehabilitation and assistive technologies settings. First, in the demonstration phase, the therapist (or in general, a helper) provides an intervention (typically assistance) and cooperatively performs a task with a patient several times...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28805445/prevalence-and-predictors-of-learning-and-psychological-diagnoses-following-pediatric-arterial-ischemic-stroke
#15
Tricia S Williams, Kyla P McDonald, Samantha D Roberts, Nomazulu Dlamini, Gabrielle deVeber, Robyn Westmacott
This study examined the prevalence of learning and psychological diagnoses and associated neurological and personal-environmental risk factors following perinatal and childhood arterial ischemic stroke. In our sample of 126 children and youth, 52.4% received a diagnosis following their assessment. Specifically, 32% had a single diagnosis and 21% had two or more diagnoses. Learning disability, attention deficit-hyperactivity disorder, and intellectual disability were the most prevalent diagnoses. Associated risk factors varied by diagnosis with lower intellectual functioning being the common risk factor across categories...
August 14, 2017: Developmental Neuropsychology
https://www.readbyqxmd.com/read/28800425/implementing-the-adapted-physical-education-e-learning-program-into-physical-education-teacher-education-program
#16
Eun Hye Kwon, Martin E Block
According to the Ministry of Education Korea (2014), the approximately 70.4% of all students with disabilities are included in general schools in Korea. However, studies show that Korean GPE teachers do not feel comforatble or prepared to include students with disabilities (Oh & Lee, 1999; Roh, 2002; Roh & Oh, 2005). The purpose of this study was to explore whether an APE e-learning supplement would have an impact on the level of self-efficacy and content knowledge of pre-service teachers related to including students with intellectual disabilities...
August 8, 2017: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/28798008/activity-recognition-in-individuals-walking-with-assistive-devices-the-benefits-of-device-specific-models
#17
Luca Lonini, Aakash Gupta, Susan Deems-Dluhy, Shenan Hoppe-Ludwig, Konrad Kording, Arun Jayaraman
BACKGROUND: Wearable sensors gather data that machine-learning models can convert into an identification of physical activities, a clinically relevant outcome measure. However, when individuals with disabilities upgrade to a new walking assistive device, their gait patterns can change, which could affect the accuracy of activity recognition. OBJECTIVE: The objective of this study was to assess whether we need to train an activity recognition model with labeled data from activities performed with the new assistive device, rather than data from the original device or from healthy individuals...
August 10, 2017: JMIR Rehabil Assist Technol
https://www.readbyqxmd.com/read/28791942/socioeconomic-status-and-race-outperform-concussion-history-and-sport-participation-in-predicting-collegiate-athlete-baseline-neurocognitive-scores
#18
Zac Houck, Breton Asken, James Clugston, William Perlstein, Russell Bauer
OBJECTIVES: The purpose of this study was to assess the contribution of socioeconomic status (SES) and other multivariate predictors to baseline neurocognitive functioning in collegiate athletes. METHODS: Data were obtained from the Concussion Assessment, Research and Education (CARE) Consortium. Immediate Post-Concussion Assessment and Cognitive Testing (ImPACT) baseline assessments for 403 University of Florida student-athletes (202 males; age range: 18-23) from the 2014-2015 and 2015-2016 seasons were analyzed...
August 9, 2017: Journal of the International Neuropsychological Society: JINS
https://www.readbyqxmd.com/read/28781728/effect-of-play-based-therapy-on-meta-cognitive-and-behavioral-aspects-of-executive-function-a-randomized-controlled-clinical-trial-on-the-students-with-learning-disabilities
#19
Samaneh Karamali Esmaili, Narges Shafaroodi, Afsoon Hassani Mehraban, Akram Parand, Masoume Zarei, Saeed Akbari-Zardkhaneh
INTRODUCTION: Although the effect of educational methods on executive function (EF) is well known, training this function by a playful method is debatable. The current study aimed at investigating if a play-based intervention is effective on metacognitive and behavioral skills of EF in students with specific learning disabilities. METHODS: In the current randomized, clinical trial, 49 subjects within the age range of 7 to 11 years with specific learning disabilities were randomly assigned into the intervention (25 subjects; mean age 8...
May 2017: Basic and Clinical Neuroscience
https://www.readbyqxmd.com/read/28763755/investigating-quality-of-life-and-self-stigma-in-hong-kong-children-with-specific-learning-disabilities
#20
Yi Chan, Yim Yuk Chan, Sui Lam Cheng, Yin Man Chow, Yau Wai Tsang, Clara Lee, Chung-Ying Lin
BACKGROUND: Children with specific learning disabilities (SpLD) are likely to develop self-stigma and have a poor quality of life (QoL) because of their poor academic performance. Although both self-stigma and poor QoL issues are likely to be found in low academic achievers without SpLD, children with SpLD have worse situation because their diagnosis of SpLD suggests that their learning struggles are biological and permanent. Specifically, students' perception of own capabilities may be affected more by the diagnosis of SpLD than their own actual performance...
September 2017: Research in Developmental Disabilities
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