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developmental coordination disorders

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https://www.readbyqxmd.com/read/28333997/learning-better-by-repetition-or-variation-is-transfer-at-odds-with-task-specific-training
#1
Emmanuel Bonney, Lemke Dorothee Jelsma, Gillian D Ferguson, Bouwien C M Smits-Engelsman
OBJECTIVE: Transfer of motor skills is the ultimate goal of motor training in rehabilitation practice. In children with Developmental Coordination Disorder (DCD), very little is known about how skills are transferred from training situations to real life contexts. In this study we examined the influence of two types of practice on transfer of motor skills acquired in a virtual reality (VR) environment. METHOD: One hundred and eleven children with DCD and their typically developing (TD) peers, aged 6-10 years (M = 8...
2017: PloS One
https://www.readbyqxmd.com/read/28327918/developmental-coordination-disorder-in-children-experimental-work-and-data-annotation
#2
Lukas Vareka, Petr Bruha, Roman Moucek, Pavel Mautner, Ladislav Cepicka, Irena Holeckova
Background: Developmental coordination disorder (DCD) is described as a motor skill disorder characterized by a marked impairment in the development of motor coordination abilities that significantly interferes with performance of daily activities and/or academic achievement. Since some electrophysiological studies suggest differences between children with/without motor development problems, we prepared an experimental protocol and performed electrophysiological experiments with the aim to make a step towards a possible diagnosis of this disorder using the event-related potentials (ERP) technique...
February 24, 2017: GigaScience
https://www.readbyqxmd.com/read/28289224/patterns-of-coordinated-cortical-remodeling-during-adolescence-and-their-associations-with-functional-specialization-and-evolutionary-expansion
#3
Aristeidis Sotiras, Jon B Toledo, Raquel E Gur, Ruben C Gur, Theodore D Satterthwaite, Christos Davatzikos
During adolescence, the human cortex undergoes substantial remodeling to support a rapid expansion of behavioral repertoire. Accurately quantifying these changes is a prerequisite for understanding normal brain development, as well as the neuropsychiatric disorders that emerge in this vulnerable period. Past accounts have demonstrated substantial regional heterogeneity in patterns of brain development, but frequently have been limited by small samples and analytics that do not evaluate complex multivariate imaging patterns...
March 13, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28282530/effect-of-early-intervention-on-functional-outcome-at-school-age-follow-up-and-process-evaluation-of-a-randomised-controlled-trial-in-infants-at-risk
#4
Elisa G Hamer, Tjitske Hielkema, Arend F Bos, Tineke Dirks, Siebrigje J Hooijsma, Heleen A Reinders-Messelink, Rivka F Toonen, Mijna Hadders-Algra
BACKGROUND: The long-term effect of early intervention in infants at risk for developmental disorders is unclear. The VIP project (n=46, originally) evaluated by means of a randomised controlled trial the effect of the family centred early intervention programme COPCA (Coping with and Caring for infants with special needs) in comparison to that of traditional infant physiotherapy (TIP). AIMS: To evaluate the effect of early intervention on functional outcome at school age...
March 1, 2017: Early Human Development
https://www.readbyqxmd.com/read/28251337/when-an-object-appears-unexpectedly-anticipatory-movement-and-object-circumvention-in-individuals-with-and-without-developmental-coordination-disorder
#5
K Wilmut, A L Barnett
Obstacles often appear unexpectedly in our pathway and these require us to make adjustments to avoid collision. Previous research has demonstrated that healthy adults will make anticipatory adjustments to gait where they have been told there is the possibility of an obstacle appearing. One population that may find this type of anticipatory movement difficult is individuals with Developmental Coordination Disorder (DCD). The current study considered how individuals with and without DCD adjust to the possibility of an obstacle appearing which would require circumvention...
March 1, 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/28250050/a-novel-mouse-model-of-anterior-segment-dysgenesis-asd-conditional-deletion-of-tsc1-disrupts-ciliary-body-and-iris-development
#6
Anna-Carin Hägglund, Iwan Jones, Leif Carlsson
Development of the cornea, lens, ciliary body and iris within the anterior segment of the eye involves coordinated interaction between cells originating from the ciliary margin of the optic cup, the overlying periocular mesenchyme and the lens epithelium. Anterior segment dysgenesis (ASD) encompasses a spectrum of developmental syndromes that affect these anterior segment tissues. ASD conditions arise as a result of dominantly inherited genetic mutations and result in both ocular-specific and systemic forms of dysgenesis that are best exemplified by aniridia and Axenfeld-Rieger syndrome, respectively...
March 1, 2017: Disease Models & Mechanisms
https://www.readbyqxmd.com/read/28195306/neural-oscillation-reveals-deficits-in-visuospatial-working-memory-in-children-with-developmental-coordination-disorder
#7
Chun-Hao Wang, Yu-Ting Tseng, Dang Liu, Chia-Liang Tsai
The electroencephalographic (EEG) oscillations associated with visuospatial working memory (VSWM) were examined in children with developmental coordination disorder (DCD; 10-11 years; N = 29) and typically developing (TD) children (10-11 years; N = 29). Behaviorally, DCD showed poorer VSWM than TD, which coincided with the diminished ability of DCD in modulating neural oscillations. Furthermore, prestimulus oscillatory alpha activity was correlated with VSWM performance. The results suggest that children with DCD might have a reduced ability to encode and recognize new information, and in particular have difficulty in maintaining task-relevant information, resulting in poorer VSWM...
February 14, 2017: Child Development
https://www.readbyqxmd.com/read/28187138/a-randomized-controlled-trial-of-a-group-based-gaze-training-intervention-for-children-with-developmental-coordination-disorder
#8
Greg Wood, Charlotte A L Miles, Ginny Coyles, Omid Alizadehkhaiyat, Samuel J Vine, Joan N Vickers, Mark R Wilson
The aim of this study was to integrate a gaze training intervention (i.e., quiet eye training; QET) that has been shown to improve the throwing and catching skill of children with Developmental Coordination Disorder (DCD), within an approach (i.e., group therapy) that might alleviate the negative psychosocial impact of these motor skill deficits. Twenty-one children with DCD were split into either QET (8 male 3 female, mean age of 8.6 years (SD = 1.04) or technical training (TT) groups (7 male 3 female, mean age of 8...
2017: PloS One
https://www.readbyqxmd.com/read/28166485/neuroimaging-and-occupational-therapy-bridging-the-gap-to-advance-rehabilitation-in-developmental-coordination-disorder
#9
Meisan Brown-Lum, Jill G Zwicker
Developmental coordination disorder (DCD) is a neurodevelopmental disorder characterized by poor motor skills that interfere with a child's ability to perform everyday activities. Little is known about the neural mechanisms that implicate DCD, making it difficult to understand why children with DCD struggle to learn motor skills and selecting the best intervention to optimize function. Neuroimaging studies that utilize magnetic resonance imaging techniques have the capacity to play a critical role in helping to guide clinicians to optimize functional outcomes of children with DCD using evidence-based rehabilitation interventions...
January 2017: Journal of Motor Behavior
https://www.readbyqxmd.com/read/28157565/variable-training-does-not-lead-to-better-motor-learning-compared-to-repetitive-training-in-children-with-and-without-dcd-when-exposed-to-active-video-games
#10
Emmanuel Bonney, Dorothee Jelsma, Gillian Ferguson, Bouwien Smits-Engelsman
BACKGROUND: Little is known about the influence of practice schedules on motor learning and skills transfer in children with and without developmental coordination disorder (DCD). Understanding how practice schedules affect motor learning is necessary for motor skills development and rehabilitation. AIMS: The study investigated whether active video games (exergames) training delivered under variable practice led to better learning and transfer than repetitive practice...
March 2017: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/28141714/developmental-coordination-disorder-plus-a-diagnosis-by-exclusion
#11
Jodi Santosuosso, Kristin Strand, Brooke B Surran, N Paul Rosman, Marilyn Augustyn
Cayden is a 6.3-year-old boy who you have been following in our practice since birth. He was born at 35.5 weeks at 6 pounds 4 ounces following a fraternal twin gestation. Both children were "on target" with their milestones, but Cayden did not seem to progress as quickly as his sister. He did not initiate play with his sister when they were toddlers and Cayden was the "shy" one.
February 2017: Journal of Developmental and Behavioral Pediatrics: JDBP
https://www.readbyqxmd.com/read/28127865/potocki-shaffer-syndrome-in-a-child-without-intellectual-disability-the-role-of-phf21a-in-cognitive-function
#12
Caroline McCool, Adiaha Spinks-Franklin, Lenora M Noroski, Lorraine Potocki
Potocki-Shaffer syndrome is a contiguous gene deletion syndrome involving 11p11.2p12 and characterized by multiple exostoses, biparietal foramina, genitourinary anomalies in males, central nervous system abnormalities, intellectual disability, and craniofacial abnormalities. Current literature implicates haploinsufficiency of three genes (ALX4, EXT2, and PHF21A) in causing some of the cardinal features of PSS. We report a patient with multiple exostoses, biparietal foramina, and history of mild developmental delay...
January 27, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28120103/mutations-in-chromatin-regulators-functionally-link-cornelia-de-lange-syndrome-and-clinically-overlapping-phenotypes
#13
Ilaria Parenti, María E Teresa-Rodrigo, Jelena Pozojevic, Sara Ruiz Gil, Ingrid Bader, Diana Braunholz, Nuria C Bramswig, Cristina Gervasini, Lidia Larizza, Lutz Pfeiffer, Ferda Ozkinay, Feliciano Ramos, Benedikt Reiz, Olaf Rittinger, Tim M Strom, Erwan Watrin, Kerstin Wendt, Dagmar Wieczorek, Bernd Wollnik, Carolina Baquero-Montoya, Juan Pié, Matthew A Deardorff, Gabriele Gillessen-Kaesbach, Frank J Kaiser
The coordinated tissue-specific regulation of gene expression is essential for the proper development of all organisms. Mutations in multiple transcriptional regulators cause a group of neurodevelopmental disorders termed "transcriptomopathies" that share core phenotypical features including growth retardation, developmental delay, intellectual disability and facial dysmorphism. Cornelia de Lange syndrome (CdLS) belongs to this class of disorders and is caused by mutations in different subunits or regulators of the cohesin complex...
March 2017: Human Genetics
https://www.readbyqxmd.com/read/28119021/reduced-relative-volume-in-motor-and-attention-regions-in-developmental-coordination-disorder-a-voxel-based-morphometry-study
#14
Jess E Reynolds, Melissa K Licari, Siobhan L Reid, Catherine Elliott, Anne M Winsor, Michael Bynevelt, Jac Billington
BACKGROUND AND OBJECTIVES: Developmental coordination disorder (DCD) is a prevalent childhood movement disorder, impacting the ability to perform movement skills at an age appropriate level. Although differences in grey matter (GM) volumes have been found in related developmental disorders, no such evidence has been linked with DCD to date. This cross-sectional study assessed structural brain differences in children with and without DCD. METHODS: High-resolution structural images were acquired from 44 children aged 7...
January 21, 2017: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/28109545/tactile-localization-performance-in-children-with-developmental-coordination-disorder-dcd-corresponds-to-their-motor-skill-and-not-their-cognitive-ability
#15
Joanne S Johnston, Jannath Begum Ali, Elisabeth L Hill, Andrew J Bremner
When localizing touches to the hands, typically developing children and adults show a "crossed hands effect" whereby identifying which hand received a tactile stimulus is less accurate when the hands are crossed than uncrossed. This demonstrates the use of an external frame of reference for locating touches to one's own body. Given that studies indicate that developmental vision plays a role in the emergence of external representations of touch, and reliance on vision for representing the body during action is atypical in developmental coordination disorder (DCD), we investigated external spatial representations of touch in children with DCD using the "crossed hands effect"...
January 18, 2017: Human Movement Science
https://www.readbyqxmd.com/read/28098503/relationship-between-perceived-competence-and-performance-during-real-and-virtual-motor-tasks-by-children-with-developmental-coordination-disorder
#16
Batya Engel-Yeger, Rotem Sido, Aviva Mimouni-Bloch, Patrice L Weiss
PURPOSE: (i) To compare children with DCD and typically developing participants via standard motor assessments, two interactive virtual games, measures of physical, social and cognitive self-competence and feedback while playing the virtual games and (ii) To examine the contribution of age and each motor assessment to predict self-competence. METHODS: Participants were 25 boys with DCD and 25 typically developing boys, aged 5-9 years. They completed the M-ABC-2, the Pictorial Scale of Perceived Competence, the 6-Minute Walk Test, and then played the two Kinect games and completed the Short Feedback Questionnaire for Children...
January 18, 2017: Disability and Rehabilitation. Assistive Technology
https://www.readbyqxmd.com/read/28069923/map7-regulates-axon-collateral-branch-development-in-dorsal-root-ganglion-neurons
#17
Stephen R Tymanskyj, Benjamin Yang, Aditi Falnikar, Angelo C Lepore, Le Ma
Collateral branches from axons are key components of functional neural circuits that allow neurons to connect with multiple synaptic targets. Like axon growth and guidance, formation of collateral branches depends on the regulation of microtubules, but how such regulation is coordinated to ensure proper circuit development is not known. Based on microarray analysis, we have identified a role for microtubule-associated protein 7 (MAP7) during collateral branch development of dorsal root ganglion (DRG) sensory neurons...
February 8, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28027529/automatic-classification-of-gait-in-children-with-early-onset-ataxia-or-developmental-coordination-disorder-and-controls-using-inertial-sensors
#18
Andrea Mannini, Octavio Martinez-Manzanera, Tjitske F Lawerman, Diana Trojaniello, Ugo Della Croce, Deborah A Sival, Natasha M Maurits, Angelo Maria Sabatini
Early-Onset Ataxia (EOA) and Developmental Coordination Disorder (DCD) are two conditions that affect coordination in children. Phenotypic identification of impaired coordination plays an important role in their diagnosis. Gait is one of the tests included in rating scales that can be used to assess motor coordination. A practical problem is that the resemblance between EOA and DCD symptoms can hamper their diagnosis. In this study we employed inertial sensors and a supervised classifier to obtain an automatic classification of the condition of participants...
December 2, 2016: Gait & Posture
https://www.readbyqxmd.com/read/28018285/neural-signature-of-dcd-a-critical-review-of-mri-neuroimaging-studies
#19
REVIEW
Maëlle Biotteau, Yves Chaix, Mélody Blais, Jessica Tallet, Patrice Péran, Jean-Michel Albaret
The most common neurodevelopmental disorders (e.g., developmental dyslexia (DD), autism, attention-deficit hyperactivity disorder (ADHD)) have been the subject of numerous neuroimaging studies, leading to certain brain regions being identified as neural correlates of these conditions, referring to a neural signature of disorders. Developmental coordination disorder (DCD), however, remains one of the least understood and studied neurodevelopmental disorders. Given the acknowledged link between motor difficulties and brain features, it is surprising that so few research studies have systematically explored the brains of children with DCD...
2016: Frontiers in Neurology
https://www.readbyqxmd.com/read/28012789/reliability-and-validity-of-the-finnish-version-of-the-motor-observation-questionnaire-for-teachers
#20
P Asunta, H Viholainen, T Ahonen, M Cantell, J Westerholm, M M Schoemaker, P Rintala
OBJECTIVES: Observational screening instruments are often used as an effective, economical first step in the identification of children with Developmental Coordination Disorder (DCD). The aim was to investigate the psychometric properties of the Finnish version of the Motor Observation Questionnaire for Teachers (MOQ-T-FI). METHODS: The psychometric properties were tested using two separate samples (S1: age range 6-12, M 9y 5mo, females 101, males 92; S2: age range 6-9, M 7y 7mo, females 404, males 446)...
December 21, 2016: Human Movement Science
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