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fine motor skills

Ruben Posada-Gómez, Roberto A Montaño-Murillo, Albino Martínez-Sibaja, Giner Alor-Hernández, Alberto A Aguilar-Lasserre, Miriam C Reyes-Fernández
PURPOSE: One of the most important aspects in neuromotor rehabilitation is the need of feedback for patients. The rehabilitation system's efficiency relies on the therapist's judgment, who tells the patient whether he/she is performing the exercises correctly. This process may be quite subjective, because it depends on the therapist's personal opinion. On the other hand, recent studies have shown that vibrotactile biofeedback can improve the effectiveness of interaction as it is a very helpful tool in the physiological process of neuromotor rehabilitation...
October 24, 2016: Rehabilitation Nursing: the Official Journal of the Association of Rehabilitation Nurses
Igor Prpić, Ana Milardović, Inge Vlašić-Cicvarić, Zdravko Špiric, Jelena Radić Nišević, Petar Vukelić, Janja Snoj Tratnik, Darja Mazej, Milena Horvat
OBJECTIVES: To compare motor, cognitive and language characteristics in children aged 18 months who were prenatally exposed to low-level methyl-mercury (MeHg), and to analyze the eventual differences in these characteristics in relation to cord blood THg concentration. PATIENTS AND METHODS: The total number of 205 child-mother pairs was included in the study, and total cord blood mercury was measured in 198 of them. Out of the 198 already measured samples, 47 of them have also been tested for methyl-mercury in cord blood...
October 19, 2016: Environmental Research
Swetha Krishnaswamy, Daniel J Coletti, Hilary Berlin, Kathleen Friel
OBJECTIVE: This investigation was a pilot feasibility trial evaluating the use of an arm-weight-supported training device to improve upper-extremity function in children with hemiplegia. METHOD: A single-group within-subject design was used. Participants were 6 children ages 7-17 yr with upper-extremity weakness secondary to hemiplegia. The intervention consisted of 15-18 treatment sessions using an arm-weight-supported training device with the affected upper extremity...
November 2016: American Journal of Occupational Therapy: Official Publication of the American Occupational Therapy Association
Federico Montagnani, Marco Controzzi, Christian Cipriani
The human hand is a complex integrated system with motor and sensory components that provides individuals with high functionality and elegant behaviour. In direct connection with the brain, the hand is capable of performing countless actions ranging from fine digit manipulation to the handling of heavy objects. However the question of which movements mostly contribute to the manipulation skills of the hand, and thus should be included in prosthetic hands, is yet to be answered. Building from our previous work, and assuming that a hand with independent long fingers allowed performance comparable to a hand with coupled fingers, here we explored the actual contribution of independent fingers while performing activities of daily living using custom built orthoses...
October 19, 2016: Scientific Reports
Gordon D Logan, Jana E Ulrich, Dakota R B Lindsey
Fine motor skills like typing involve a mapping problem that trades Fitts' law against Hick's law. Eight fingers have to be mapped onto 26 keys. Movement time increases with distance, so Fitts' law is optimized by recruiting more fingers. Choice difficulty increases with the number of alternatives, so Hick's law is optimized by recruiting fewer fingers. The effect of the number of alternatives decreases with consistent practice, so skilled typists achieve a balance between Fitts' law and Hick's law through learning...
October 17, 2016: Journal of Experimental Psychology. Human Perception and Performance
Sutanu Dutta Chowdhury, Brian H Wrotniak, Tusharkanti Ghosh
The purpose of this study was to evaluate the relationship between body mass index and motor competence in Santal children 5-12 years old. A total of 816 Santal children were studied. Children's adiposity status was assessed by body mass index (BMI) for age z-score based on World Health Organization reference data. Motor competence was measured using the Bruininks-Oseretsky Test of Motor Competence (BOT-2). There was no significant difference in mean BMI z-score between Santal boys (0.13 ± 0.07) and girls (-0...
October 14, 2016: Journal of Motor Behavior
Jagna Sobierajewicz, Anna Przekoracka-Krawczyk, Wojciech Jaśkowski, Willem B Verwey, Rob van der Lubbe
Motor imagery has been argued to affect the acquisition of motor skills. The present study examined the specificity of motor imagery on the learning of a fine hand motor skill by employing a modified discrete sequence production task: the Go/NoGo DSP task. After an informative cue, a response sequence had either to be executed, imagined, or withheld. To establish learning effects, the experiment was divided into a practice phase and a test phase. In the latter phase, we compared mean response times and accuracy during the execution of unfamiliar sequences, familiar imagined sequences, and familiar executed sequences...
October 6, 2016: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
Thomas P Schmidt, David L Pennington, Stephanie L Cardoos, Timothy C Durazzo, Dieter J Meyerhoff
INTRODUCTION: Intact neurocognition and early cognitive recovery during abstinence are important for substance use treatment outcome. Yet, little is known about them in the largest group of treatment seekers today, individuals with polysubstance use disorders (PSU). This study primarily contrasted PSU and individuals with an alcohol use disorder (AUD) on neurocognitive and inhibitory control measures and, secondarily, measured changes during abstinence in PSU. METHOD: At one month of abstinence from all substances except tobacco, 36 PSU and 69 AUD completed neurocognitive assessments of executive function, general intelligence, auditory-verbal learning/memory, visuospatial learning/memory/skills, processing speed, working memory, fine motor skills, and cognitive efficiency...
October 3, 2016: Journal of Clinical and Experimental Neuropsychology
Nela V Ilić, Emilija Dubljanin-Raspopović, Una Nedeljković, Sanja Tomanović-Vujadinović, Sladjan D Milanović, Ivana Petronić-Marković, Tihomir V Ilić
BACKGROUND: A growing body of evidence supports the effectiveness of using transcranial direct current stimulation (tDCS) in patients with chronic hand motor impairment resulting from stroke. OBJECTIVE: In this study, we investigate and compare the combined effects of anodal tDCS and occupational therapy (OT) to sham stimulation with OT (control) on fine motor skill deficits of chronic stroke patients. METHODS: A total of 26 stroke patients (at ≥ 9 months) were randomly assigned to an active treatment or a control group in a double-blinded, sham-controlled, parallel design study...
September 29, 2016: Restorative Neurology and Neuroscience
Fernando G Soley, Iria S Chacón, Mariano Soley-Guardia
We observed two capuchin monkeys (Cebus capucinus) feeding on hermit crabs (Coenobita compressus) on the coast, and the tactics they used to extract this well-protected prey. The observations took place during the dry season at Playa Escondida beach, Puntarenas, Costa Rica. The capuchins descended from trees at the back edge of the beach to capture passing hermit crabs. Both capuchins extracted the hermit crabs from their protective shells by holding the shell with one hand and pulling the crab out with the other...
September 28, 2016: Primates; Journal of Primatology
Xiuhong Li, Rina D Eiden, Leonard H Epstein, Edmond D Shenassa, Chuanbo Xie, Xiaozhong Wen
BACKGROUND: To examine whether different dimensions of parenting at different ages help small-for-gestational-age (SGA) children 'catch-up' the normal children in cognition and psychomotor. METHODS: We analyzed data of 800 children born SGA and 3,000 children born appropriate-for-gestational-age (AGA) from the Early Childhood Longitudinal Study-Birth cohort. The Two Bag Task was used to measure 2-year or 4-year parenting dimensions. Children's reading, math, gross motor, and fine motor scores were assessed at 5 years...
September 28, 2016: Journal of Child Psychology and Psychiatry, and Allied Disciplines
D L Dickstein, M Y Pullman, C Fernandez, J A Short, L Kostakoglu, K Knesaurek, L Soleimani, B D Jordan, W A Gordon, K Dams-O'Connor, B N Delman, E Wong, C Y Tang, S T DeKosky, J R Stone, R C Cantu, M Sano, P R Hof, S Gandy
Chronic traumatic encephalopathy (CTE) is a neurodegenerative disorder most commonly associated with repetitive traumatic brain injury (TBI) and characterized by the presence of neurofibrillary tangles of tau protein, known as a tauopathy. Currently, the diagnosis of CTE can only be definitively established postmortem. However, a new positron emission tomography (PET) ligand, [(18)F]T807/AV1451, may provide the antemortem detection of tau aggregates, and thus various tauopathies, including CTE. Our goal was to examine [(18)F]T807/AV1451 retention in athletes with neuropsychiatric symptoms associated with a history of multiple concussions...
2016: Translational Psychiatry
Hayley C Leonard, Elisabeth L Hill
Previous research has suggested that infant motor skills may be affected by older siblings but has not considered whether this is due to specific characteristics of the older sibling or of the quality of the sibling relationship. The current study used a longitudinal diary method to record infant motor milestones from 23 infants with older siblings along with parent reports and standardized assessments of motor skills. Parent reports of the older siblings' motor skills and the sibling relationship were also collected until the infants were 18months old...
December 2016: Journal of Experimental Child Psychology
Hossein Mohamadipanah, Chembian Parthiban, Jay Nathwani, Drew Rutherford, Shannon DiMarco, Carla Pugh
BACKGROUND: Due to the increased use of peripherally inserted central catheter lines, central lines are not performed as frequently. The aim of this study is to evaluate whether a virtual reality (VR)-based assessment of fine motor skills can be used as a valid and objective assessment of central line skills. METHODS: Surgical residents (N = 43) from 7 general surgery programs performed a subclavian central line in a simulated setting. Then, they participated in a force discrimination task in a VR environment...
October 2016: American Journal of Surgery
Mette Bøgelund, Lise Hagelund, Mikael Bergholdt Asmussen
OBJECTIVE: To assess nurses' preferences for various attributes of chronic obstructive pulmonary disease (COPD) inhalation devices in order to obtain information about the relative importance of the different attributes and their assigned levels. METHODS: Data from a web-based questionnaire among Danish nurses who treat patients with COPD (accomplished in the spring/summer of 2015) was used. A total of 222 nurses completed the questionnaire which was based on discrete choice experiment (DCE) methodology...
October 10, 2016: Current Medical Research and Opinion
Philippe Dahdal, Antonia Meyer, Chaturvedi Menorca, Karolina Nowak, Anne D Roesch, Peter Fuhr, Ute Gschwandtner
AIMS: The objective of this study was to investigate the relation between impaired fine motor skills in Parkinson disease (PD) patients and their cognitive status, and to determine whether fine motor skills are more impaired in PD patients with mild cognitive impairment (MCI) than in non-MCI patients. METHODS: Twenty PD MCI and 31 PD non-MCI patients (mean age 66.7 years, range 50-84, 36 males/15 females), all right-handed, took part in a motor performance test battery...
September 20, 2016: Dementia and Geriatric Cognitive Disorders
Yasmin Iles-Caven, Jean Golding, Steven Gregory, Alan Emond, Caroline M Taylor
As part of the Avon Longitudinal Study of Parents and Children (ALSPAC), measures of early child development were collected using both hands-on expert assessment (on a random 10% sub-sample) by trained psychologists at 18 months using the Griffiths Mental Development Scales (Extended 0-8 years) and from detailed questionnaires completed by the study mothers on the whole cohort using assessments based on the Denver Developmental Screening Test. The development determined by the psychologists on the 10% subsample showed a correlation of 0...
December 2016: Data in Brief
Fabian Steinberg, Nils Henrik Pixa, Michael Doppelmayr
Mirror training therapy is a promising tool to initiate neural plasticity and facilitate the recovery process of motor skills after diseases such as stroke or hemiparesis by improving the intermanual transfer of fine motor skills in healthy people as well as in patients. This study evaluated whether these augmented performance improvements by mirror visual feedback (MVF) could be used for learning a sport-specific skill and if the effects are modulated by skill level. A sample of 39 young, healthy, and experienced basketball and handball players and 41 novices performed a stationary basketball dribble task at a mirror box in a standing position and received either MVF or direct feedback...
2016: Neural Plasticity
Mandy Ma, Heather R Adams, Laurie E Seltzer, William B Dobyns, Alex R Paciorkowski
OBJECTIVE: To differentiate developmental encephalopathies by creating a novel quantitative phenotyping tool. STUDY DESIGN: We created the Developmental Encephalopathy Inventory (DEI) to differentiate disorders with complex multisystem neurodevelopmental symptoms. We then used the DEI to study the phenotype features of 20 subjects with FOXG1 disorder and 11 subjects with MECP2 disorder. RESULTS: The DEI identified core domains of fine motor and expressive language that were severely impaired in both disorders...
September 15, 2016: Journal of Pediatrics
Abigail Thompson, Declan Murphy, Flavio Dell'Acqua, Christine Ecker, Grainne McAlonan, Henrietta Howells, Simon Baron-Cohen, Meng-Chuan Lai, Michael V Lombardo
BACKGROUND: Fine motor skill impairments are common in autism spectrum disorder (ASD), significantly affecting quality of life. Sensory inputs reaching the primary motor cortex (M1) from the somatosensory cortex (S1) are likely involved in fine motor skill and specifically motor learning. However, the role of these connections has not been directly investigated in humans. This study aimed to investigate, for the first time, the role of the S1-M1 connections in healthy subjects in vivo and whether microstructural alterations are associated with motor impairment in ASD...
July 1, 2016: Biological Psychiatry
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