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https://www.readbyqxmd.com/read/28802160/the-computerized-perceptual-motor-skills-assessment-a-new-visual-perceptual-motor-skills-evaluation-tool-for-children-in-early-elementary-grades
#1
Tsu-Hsin Howe, Hao-Ling Chen, Candy Chieh Lee, Ying-Dar Chen, Tien-Ni Wang
Visual perceptual motor skills have been proposed as underlying courses of handwriting difficulties. However, there is no evaluation tool currently available to assess these skills comprehensively and to serve as a sensitive measure. The purpose of this study was to validate the Computerized Perceptual Motor Skills Assessment (CPMSA), a newly developed evaluation tool for children in early elementary grades. Its test-retest reliability, concurrent validity, discriminant validity, and responsiveness were examined in 43 typically developing children and 26 children with handwriting difficulty...
August 9, 2017: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/28767370/lle-score-a-new-filter-based-unsupervised-feature-selection-method-based-on-nonlinear-manifold-embedding-and-its-application-to-image-recognition
#2
Chao Yao, Ya-Feng Liu, Bo Jiang, Jungong Han, Junwei Han
The task of feature selection is to find the most representative features from the original high-dimensional data. Because of the absence of the information of class labels, selecting the appropriate features in unsupervised learning scenarios is much harder than that in supervised scenarios. In this paper, we investigate the potential of Locally Linear Embedding (LLE), which is a popular manifold learning method, in feature selection task. It is straightforward to apply the idea of LLE to the graphpreserving feature selection framework...
July 28, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28767212/drawn-on-paper-a-reproducible-humidity-sensitive-device-by-handwriting
#3
Hongran Zhao, Tong Zhang, Rongrong Qi, Jianxun Dai, Sen Liu, Teng Fei
This article describes the development of a kind of full carbon-based humidity sensor fabricated on the paper substrate by handwriting. The electrodes were written by commercial pencils, and the sensitive layer was drawn with an oxidized multiwalled carbon nanotubes (o-MWCNTs) ink marker. The resultant devices exhibit good reproducibility and stability during the dynamic measurement. The response of the optimized paper-based sensor exhibits about five times higher than sensors fabricated on the ceramic substrate, which is owing to the hydrophilic property of the paper substrate...
August 9, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28750258/myoelectronic-signal-based-methodology-for-the-analysis-of-handwritten-signatures
#4
Cristina Carmona-Duarte, Rafael de Torres-Peralta, Moises Diaz, Miguel A Ferrer, Marcos Martin-Rincon
With the overall aim of improving the synthesis of handwritten signatures, we have studied how muscle activation depends on handwriting style for both text and flourish. Surface electromyographic (EMG) signals from a set of twelve arm and trunk muscles were recorded in synchronization with handwriting produced on a digital Tablet. Correlations between these EMG signals and handwritten trajectory signals were analyzed so as to define the sequence of muscles activated during the different parts of the signature...
July 24, 2017: Human Movement Science
https://www.readbyqxmd.com/read/28718970/activation-of-semantic-information-at-the-sublexical-level-during-handwriting-production-evidence-from-inhibition-effects-of-chinese-semantic-radicals-in-the-picture-word-interference-paradigm
#5
Xuqian Chen, Yuanlan Liao, Xianzhe Chen
Using a non-alphabetic language (e.g., Chinese), the present study tested a novel view that semantic information at the sublexical level should be activated during handwriting production. Over 80% of Chinese characters are phonograms, in which semantic radicals represent category information (e.g., 'chair,' 'peach,' 'orange' are related to plants) while phonetic radicals represent phonetic information (e.g., 'wolf,' 'brightness,' 'male,' are all pronounced /lang/). Under different semantic category conditions at the lexical level (semantically related in Experiment 1; semantically unrelated in Experiment 2), the orthographic relatedness and semantic relatedness of semantic radicals in the picture name and its distractor were manipulated under different SOAs (i...
August 2017: Scandinavian Journal of Psychology
https://www.readbyqxmd.com/read/28717141/children-s-first-handwriting-productions-show-a-rhythmic-structure
#6
Elena Pagliarini, Lisa Scocchia, Mirta Vernice, Marina Zoppello, Umberto Balottin, Sana Bouamama, Maria Teresa Guasti, Natale Stucchi
Although much research has been concerned with the development of kinematic aspects of handwriting, little is known about the development along with age of two principles that govern its rhythmic organization: Homothety and Isochrony. Homothety states that the ratio between the durations of the single motor events composing a motor act remains invariant and independent from the total duration of the movement. Isochrony refers to the proportional relationship between the speed of movement execution and the length of its trajectory...
July 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28689295/inhibitory-rtms-applied-on-somatosensory-cortex-in-wilson-s-disease-patients-with-hand-dystonia
#7
Pierre Lozeron, Aurélia Poujois, Elodie Meppiel, Sana Masmoudi, Thierry Peron Magnan, Eric Vicaut, Emmanuel Houdart, Jean-Pierre Guichard, Jean-Marc Trocello, France Woimant, Nathalie Kubis
Hand dystonia is a common complication of Wilson's disease (WD), responsible for handwriting difficulties and disability. Alteration of sensorimotor integration and overactivity of the somatosensory cortex have been demonstrated in dystonia. This study investigated the immediate after effect of an inhibitory repetitive transcranial magnetic stimulation (rTMS) applied over the somatosensory cortex on the writing function in WD patients with hand dystonia. We performed a pilot prospective randomized double-blind sham-controlled crossover rTMS study...
July 8, 2017: Journal of Neural Transmission
https://www.readbyqxmd.com/read/28680652/validity-and-reliability-of-a-pilot-scale-for-assessment-of-multiple-system-atrophy-symptoms
#8
Masaaki Matsushima, Ichiro Yabe, Ikuko Takahashi, Makoto Hirotani, Takahiro Kano, Kazuhiro Horiuchi, Hideki Houzen, Hidenao Sasaki
BACKGROUND: Multiple system atrophy (MSA) is a rare progressive neurodegenerative disorder for which brief yet sensitive scale is required in order for use in clinical trials and general screening. We previously compared several scales for the assessment of MSA symptoms and devised an eight-item pilot scale with large standardized response mean [handwriting, finger taps, transfers, standing with feet together, turning trunk, turning 360°, gait, body sway]. The aim of the present study is to investigate the validity and reliability of a simple pilot scale for assessment of multiple system atrophy symptoms...
2017: Cerebellum & Ataxias
https://www.readbyqxmd.com/read/28670621/changes-in-dti-diffusivity-and-fmri-connectivity-cluster-coefficients-for-students-with-and-without-specific-learning-disabilities-in-written-language-brain-s-response-to-writing-instruction
#9
Todd L Richards, Virginia W Berninger, Kevin J Yagle, Robert D Abbott, Daniel J Peterson
Before and after computerized writing instruction, participants completed assessment with normed measures and DTI and fMRI connectivity scanning. Evidence-based differential diagnosis was used at time 1 to assign them to diagnostic groups: typical oral and written language (n=6), dysgraphia (impaired handwriting, n=10), dyslexia (impaired word spelling and reading, n=20), and OWL LD (impaired syntax construction, n=6). The instruction was aimed at subword letter writing, word spelling, and syntax composing...
April 2017: Journal of Nature and Science
https://www.readbyqxmd.com/read/28665251/stereotactic-radiosurgery-for-medically-refractory-multiple-sclerosis-related-tremor
#10
Sudesh S Raju, Ajay Niranjan, Edward A Monaco, John C Flickinger, L Dade Lunsford
OBJECTIVE Multiple sclerosis (MS) is a neurodegenerative disease that can lead to severe intention tremor in some patients. In several case reports, conventional radiotherapy has been reported to possibly exacerbate MS. Radiosurgery dramatically limits normal tissue irradiation to potentially avoid such a problem. Gamma Knife thalamotomy (GKT) has been established as a minimally invasive technique that is effective in treating essential tremor and Parkinson's disease-related tremor. The goal in this study was to analyze the outcomes of GKT in patients suffering from medically refractory MS-related tremor...
June 30, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28654414/handwriting-in-children-and-adults-with-down-syndrome-developmental-delay-or-specific-features
#11
Raphaele Tsao
While there is a long history and tradition of behavioral research on basic motor skills in Down syndrome (DS), there has been only limited research on handwriting ability. We analyzed the spatiotemporal features of handwriting produced by children and adults with DS (n = 24), and compared their productions with those of comparison groups matched for developmental (n = 24) or chronological (n = 24) age. Results indicated that the participants with DS performed an alphabet letter-writing task just as efficiently as the children of the same developmental age, in terms of the length, duration and speed of their handwriting, and the number and duration of their pauses...
July 2017: American Journal on Intellectual and Developmental Disabilities
https://www.readbyqxmd.com/read/28649620/use-of-a-self-rating-scale-of-the-nature-and-severity-of-symptoms-in-parkinson-s-disease-pro-pd-correlation-with-quality-of-life-and-existing-scales-of-disease-severity
#12
Laurie K Mischley, Richard C Lau, Noel S Weiss
A self-rating scale was developed to permit patient-reported, remote assessment of Parkinson's disease symptom severity. The goal was to create a continuous outcome measure that does not require a clinical exam, does not fluctuate in response to dopaminergic medications, takes only a few minutes to complete, allows for stratification by symptom(s), and captures both motor and non-motor Parkinson's disease symptoms, major contributors to quality of life. The Patient Reported Outcomes in Parkinson's Disease (PRO-PD) is the cumulative score of 32 slider bars, each evaluating a common Parkinson's disease symptom...
2017: NPJ Parkinson's Disease
https://www.readbyqxmd.com/read/28612023/perception-of-community-pharmacists-towards-dispensing-errors-in-community-pharmacy-setting-in-gondar-town-northwest-ethiopia
#13
Dessalegn Asmelashe Gelayee, Gashaw Binega Mekonnen
BACKGROUND: Dispensing errors are inevitable occurrences in community pharmacies across the world. OBJECTIVE: This study aimed to identify the community pharmacists' perception towards dispensing errors in the community pharmacies in Gondar town, Northwest Ethiopia. METHODS: A cross-sectional study was conducted among 47 community pharmacists selected through convenience sampling. Data were analyzed using SPSS version 20. Descriptive statistics, Mann-Whitney U test, and Pearson's Chi-square test of independence were conducted with P ≤ 0...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28608521/cultural-entrainment-of-motor-skill-development-learning-to-write-hiragana-in-japanese-primary-school
#14
Tetsushi Nonaka
The aim of the present study was to examine how the social norms shared in a classroom environment influence the development of movement dynamics of handwriting of children who participate in the environment. To look into this issue, the following aspects of the entire period of classroom learning of hiragana letters in Japanese 1st graders who had just entered primary school were studied: First, the structure of classroom events and the specific types of interaction and learning within such environment were described...
September 2017: Developmental Psychobiology
https://www.readbyqxmd.com/read/28597728/theorization-and-an-empirical-investigation-of-the-component-based-and-developmental-text-writing-fluency-construct
#15
Young-Suk Grace Kim, Brandy Gatlin, Stephanie Al Otaiba, Jeanne Wanzek
We discuss a component-based, developmental view of text writing fluency, which we tested using data from children in Grades 2 and 3. Text writing fluency was defined as efficiency and automaticity in writing connected texts, which acts as a mediator between text generation (oral language), transcription skills, and writing quality. We hypothesized that in the beginning phase, text writing fluency would be largely constrained by transcription skills (spelling and handwriting), while at a later phase, oral language would make an independent contribution to text writing fluency...
June 1, 2017: Journal of Learning Disabilities
https://www.readbyqxmd.com/read/28576604/task-dependent-variability-of-essential-tremor
#16
Nicole Schuhmayer, Corinna Weber, Markus Kieler, Bernhard Voller, Walter Pirker, Eduard Auff, Dietrich Haubenberger
INTRODUCTION: In Essential Tremor (ET), tremor characteristics and the impairment caused by tremor may vary from task to task. A variability of tremor frequency between postural and kinetic tasks has been proposed in ET, suggesting either multiple central oscillating networks, or peripheral or proprioceptive feedback-mechanisms. This electrophysiological study aimed to assess tremor frequencies and amplitudes in tasks involving postural and kinetic tremor, and compare findings within and across tasks, to delineate physiological differences underlying individually affected manual tasks in ET...
May 20, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28575760/benign-childhood-epilepsy-with-centrotemporal-spikes-bects-and-developmental-co-ordination-disorder
#17
Amanda Kirby, Natalie Williams, Loes Koelewijn, Lisa M Brindley, Suresh D Muthukumaraswamy, Johann Te Water Naudé, Marie Thomas, Frances Gibbon, Krish D Singh, Khalid Hamandi
BACKGROUND: Benign epilepsy with centro-temporal spikes (BECTS) is a common childhood epilepsy syndrome also known as Rolandic Epilepsy (RE). Neurocognitive phenotypes have been described with greater focus on attention, reading and language domains but there have been far fewer studies focusing on motor functioning. This study included measures of motor, language and cognition in order to investigate the range, degree and pattern of difficulties associated with BECTS in a case series of children, but with a particular emphasis on motor skills...
May 30, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28547999/a-long-term-self-managed-handwriting-intervention-for-people-with-parkinson-s-disease-results-from-the-control-group-of-a-phase-ii-randomized-controlled-trial
#18
Johnny Collett, Marloes Franssen, Charlotte Winward, Hooshang Izadi, Andy Meaney, Wala Mahmoud, Marko Bogdanovic, Martin Tims, Derick Wade, Helen Dawes
OBJECTIVE: To report on the control group of a trial primarily designed to investigate exercise for improving mobility in people with Parkinson's disease (pwP). The control group undertook a handwriting intervention to control for attention and time spent practising a specific activity. DESIGN: Secondary analysis of a two-arm parallel phase II randomized controlled trial with blind assessment. SETTING: Community. PARTICIPANTS: PwP able to walk ⩾100 m and with no contraindication to exercise were recruited from the Thames Valley, UK, and randomized (1:1) to exercise or handwriting, via a concealed computer-generated list...
May 1, 2017: Clinical Rehabilitation
https://www.readbyqxmd.com/read/28512858/comprehension-of-handwriting-development-pen-grip-kinetics-in-handwriting-tasks-and-its-relation-to-fine-motor-skills-among-school-age-children
#19
Yu-Chen Lin, Yen-Li Chao, Shyi-Kuen Wu, Ho-Hsio Lin, Chieh-Hsiang Hsu, Hsiao-Man Hsu, Li-Chieh Kuo
BACKGROUND/AIM: Numerous tools have been developed to evaluate handwriting performances by analysing written products. However, few studies have directly investigated kinetic performances of digits when holding a pen. This study thus attempts to investigate pen-grip kinetics during writing tasks of school-age children and explore the relationship between the kinetic factors and fine motor skills. METHODS: This study recruited 181 children aged from 5 to 12 years old and investigated the effects of age on handwriting kinetics and the relationship between these and fine motor skills...
May 16, 2017: Australian Occupational Therapy Journal
https://www.readbyqxmd.com/read/28489968/tailoring-multicomponent-writing-interventions-effects-of-coupling-self-regulation-and-transcription-training
#20
Teresa Limpo, Rui A Alves
Writing proficiency is heavily based on acquisition and development of self-regulation and transcription skills. The present study examined the effects of combining transcription training with a self-regulation intervention (self-regulated strategy development [SRSD]) in Grade 2 (ages 7-8). Forty-three students receiving self-regulation plus transcription (SRSD+TR) intervention were compared with 37 students receiving a self-regulation only (SRSD only) intervention and 39 students receiving the standard language arts curriculum...
May 1, 2017: Journal of Learning Disabilities
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