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developmental coordination disorders

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https://www.readbyqxmd.com/read/28195306/neural-oscillation-reveals-deficits-in-visuospatial-working-memory-in-children-with-developmental-coordination-disorder
#1
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
#2
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
#3
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...
February 6, 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
#4
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...
January 31, 2017: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/28141714/developmental-coordination-disorder-plus-a-diagnosis-by-exclusion
#5
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
#6
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
#7
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...
January 24, 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
#8
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
#9
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
#10
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
#11
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
#12
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
#13
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
#14
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
https://www.readbyqxmd.com/read/28009726/the-emergence-of-autism-spectrum-disorder-insights-gained-from-studies-of-brain-and-behaviour-in-high-risk-infants
#15
Kandice J Varcin, Shafali S Jeste
PURPOSE OF REVIEW: We review studies of infants at risk for autism spectrum disorder (ASD), proposing that the earliest manifestations of disrupted brain development can shed light on prebehavioural markers of risk and mechanisms underlying the heterogeneity of ASD. RECENT FINDINGS: Prospective, longitudinal studies of infants at risk for ASD have revealed that behavioural signs of ASD are generally not observed until the second year of life. The developmental signs within the first year are often subtle and rooted in processes outside the core diagnostic domains of ASD, such as motor and visual perceptual function...
March 2017: Current Opinion in Psychiatry
https://www.readbyqxmd.com/read/27999532/genetic-feedback-regulation-of-frontal-cortical-neuronal-ensembles-through-activity-dependent-arc-expression-and-dopaminergic-input
#16
Surjeet Mastwal, Vania Cao, Kuan Hong Wang
Mental functions involve coordinated activities of specific neuronal ensembles that are embedded in complex brain circuits. Aberrant neuronal ensemble dynamics is thought to form the neurobiological basis of mental disorders. A major challenge in mental health research is to identify these cellular ensembles and determine what molecular mechanisms constrain their emergence and consolidation during development and learning. Here, we provide a perspective based on recent studies that use activity-dependent gene Arc/Arg3...
2016: Frontiers in Neural Circuits
https://www.readbyqxmd.com/read/27996316/developmental-coordination-disorder-plus-oculomotor-and-visuospatial-impairment-as-neurodevelopmental-heralds-of-psychosis-proneness
#17
Michele Poletti, Eva Gebhardt, Andrea Raballo
Aiming at preventing transitions to more severe psychopathology and boosted by the availability of operational criteria to identify help-seeking subjects at increased risk for psychosis, research into the early prodromal phases of psychosis is attracting a growing clinical interest. Furthermore, the focus of early detection is gradually shifting from prodromal syndromes to the premorbid period. Although mainly driven by clinical-pragatic aims, such a shift is coherent with the neurodevelopmental hypothesis of schizophrenia that might offer a unifying, developmentally informed conceptual framework for early detection...
December 20, 2016: Clinical Schizophrenia & related Psychoses
https://www.readbyqxmd.com/read/27984818/the-effect-of-an-integrated-perceived-competence-and-motor-intervention-in-children-with-developmental-coordination-disorder
#18
Johannes J Noordstar, Janjaap van der Net, Lia Voerman, Paul J M Helders, Marian J Jongmans
BACKGROUND AND AIMS: Children with DCD have lower self-perceptions and are less physically active than typically developing children. The aim of this quasi-experimental study was to investigate whether an integrated perceived competence and motor intervention affects DCD children's motor performance, self-perceptions, and physical activity compared with a motor intervention only. METHODS AND PROCEDURES: The intervention group consisted of 20 children and the care-as-usual group consisted of 11 children, all aged 7-10 years...
January 2017: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/27984183/repeated-prenatal-exposure-to-valproic-acid-results-in-cerebellar-hypoplasia-and-ataxia
#19
Stacey L Main, Randy J Kulesza
Autism spectrum disorder (ASD) is a developmental brain disorder characterized by restricted and repetitive patterns of behavior, social and communication defects, and is commonly associated with difficulties with motor coordination. The etiology of ASD, while mostly idiopathic, has been linked to hereditary factors and teratogens, such as valproic acid (VPA). VPA is used clinically to treat epilepsy, mood disorders, and in the prevention of migraines. The use of VPA during pregnancy significantly increases the risk of ASD in the offspring...
October 27, 2016: Neuroscience
https://www.readbyqxmd.com/read/27981910/multilevel-analysis-of-locomotion-in-immature-preparations-suggests-innovative-strategies-to-reactivate-stepping-after-spinal-cord-injury
#20
Michele R Brumley, Pierre A Guertin, Giuliano Taccola
Locomotion is one of the most complex motor behaviors. Locomotor patterns change during early life, reflecting development of numerous peripheral and hierarchically organized central structures. Among them, the spinal cord is of particular interest since it houses the central pattern generator (CPG) for locomotion. This main command center is capable of eliciting and coordinating complex series of rhythmic neural signals sent to motoneurons and to corresponding target-muscles for basic locomotor activity. For a long-time, the CPG has been considered a black box...
December 14, 2016: Current Pharmaceutical Design
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