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https://www.readbyqxmd.com/read/28947326/laparoscopic-skills-assessment-an-additional-modality-for-pediatric-surgery-fellowship-selection
#1
Rajaie Hazboun, Samuel Rodriguez, Arul Thirumoorthi, Joanne Baerg, Donald Moores, Edward P Tagge
AIM: The Pediatric Surgery fellow selection is a multi-layered process which has not included assessment of surgical dexterity. MATERIALS AND METHODS: Data was collected prospectively as part of the 2016 Pediatric Surgery Match interview process. Applicants completed a questionnaire to document laparoscopic experience and fine motor skills activities. Actual laparoscopic skills were assessed using a simulator. Time to complete an intracorporeal knot was tabulated...
September 5, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28928653/age-related-decline-in-anticipatory-motor-planning-and-its-relation-to-cognitive-and-motor-skill-proficiency
#2
Tino Stöckel, Kathrin Wunsch, Charmayne M L Hughes
Anticipatory motor planning abilities mature as children grow older, develop throughout childhood and are likely to be stable till the late sixties. In the seventh decade of life, motor planning performance dramatically declines, with anticipatory motor planning abilities falling to levels of those exhibited by children. At present, the processes enabling successful anticipatory motor planning in general, as do the cognitive processes mediating these age-related changes, remain elusive. Thus, the aim of the present study was (a) to identify cognitive and motor functions that are most affected by normal aging and (b) to elucidate key (cognitive and motor) factors that are critical for successful motor planning performance in young (n = 40, mean age = 23...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28906586/equivalent-linear-change-in-cognition-between-individuals-with-bipolar-disorder-and-healthy-controls-over-5%C3%A2-years
#3
Kelly A Ryan, Shervin Assari, Kaley Angers, David F Marshall, Kristin Hinrichs, Rebecca Easter, Pallavi Babu, Bethany D Pester, Scott A Langenecker, Melvin G McInnis
OBJECTIVES: Cognitive dysfunction is a key feature of bipolar disorder (BD). However, not much is known about its temporal stability, as some studies have demonstrated a neurodegenerative model in BD while others have shown no change in cognitive functioning over time. Building upon our prior work, which examined the natural course of executive functioning, the current study aimed to investigate the natural course of memory, emotion processing, and fine motor dexterity over a 5-year period in BD and healthy control (HC) samples...
September 14, 2017: Bipolar Disorders
https://www.readbyqxmd.com/read/28894675/carpal-tunnel-syndrome-in-the-setting-of-mucopolysaccharidosis-ii-hunter-syndrome
#4
Anne E Argenta, Alexander Davit
BACKGROUND: Carpal tunnel syndrome (CTS) is a rare finding in children, but heavily represented in pediatric patients with mucopolysaccharidoses. Diagnosis is a challenge due to lack of the stereotypical symptomatic complaints and relies on examination and objective nerve conduction studies. METHODS: We present a case of delayed presentation of CTS in a 12-year-old boy with Hunter syndrome, followed by a review of the literature. RESULTS: Patient Z...
August 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28890033/the-wada-test-might-predict-postoperative-fine-finger-motor-deficit-after-hemispherotomy
#5
Ayataka Fujimoto, Tohru Okanishi, Mitsuyo Nishimura, Sotaro Kanai, Keishiro Sato, Hideo Enoki
INTRODUCTION: Cerebral hemispherotomy is a surgical method with a high rate of seizure reduction in patients with intractable epilepsy. However, there is a probability of postoperative motor deficits. The objective of this study was to investigate whether the Wada test can help predict motor function outcomes after hemispherotomy and, therefore, may be useful in decision-making and patient selection. PATIENTS AND METHOD: A total of 13 patients with hemispherical intractable epilepsy underwent hemispherical disconnection surgeries...
September 7, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28871033/reticulospinal-contributions-to-gross-hand-function-after-human-spinal-cord-injury
#6
Stuart N Baker, Monica A Perez
Multiple descending motor pathways likely contribute to the recovery of hand motor function following spinal cord injury (SCI). Reticulospinal neurons project to spinal motor neurons controlling hand muscles and extensively sprout into gray matter structures after SCI; therefore, it has been proposed that the reticulospinal tract is one of the descending motor pathways involved in recovery of hand function after injury. To test this hypothesis, we examined the StartReact response, an involuntary release of a planned movement via a startling stimulus that engages the reticulospinal tract, by measuring reaction times from electromyographic activity in an intrinsic finger muscle during three motor tasks requiring different degrees of hand dexterity: index finger abduction, a precision grip, and a power grip...
October 4, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28858609/role-of-medial-premotor-areas-in-action-language-processing-in-relation-to-motor-skills
#7
Melody Courson, Joël Macoir, Pascale Tremblay
The literature reports that the supplementary motor area (SMA) and pre-supplementary motor area (pre-SMA) are involved in motor planning and execution, and in motor-related cognitive functions such as motor imagery. However, their specific role in action language processing remains unclear. In the present study, we investigated the impact of repetitive transcranial magnetic stimulation (rTMS) over SMA and pre-SMA during an action semantic analogy task (SAT) in relation with fine motor skills (i.e., manual dexterity) and motor imagery abilities in healthy non-expert adults...
August 10, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28810960/talk-to-the-hand-u-s-army-biophysical-testing
#8
William R Santee, Adam W Potter, Karl E Friedl
BACKGROUND: Many people are unaware of the science underlying the biophysical properties of Soldier clothing and personal protective equipment, yet there is a well-refined biomedical methodology initiated by Army physiologists in World War II. This involves a methodical progression of systematic material testing technologies, computer modeling, and human testing that enables more efficient development and rapid evaluation of new concepts for Soldier health and performance. Sophisticated manikins that sweat and move are a central part of this testing continuum...
July 2017: Military Medicine
https://www.readbyqxmd.com/read/28774483/clinical-relevance-commentary-in-response-to-effectiveness-of-a-fine-motor-skills-rehabilitation-program-on-upper-limb-disability-manual-dexterity-pinch-strength-range-of-finger-motion-performance-in-activities-of-daily-living-functional-independence-and-general
#9
https://www.readbyqxmd.com/read/28765808/altered-praxis-network-underlying-limb-kinetic-apraxia-in-parkinson-s-disease-an-fmri-study
#10
Stefanie Kübel, Katharina Stegmayer, Tim Vanbellingen, Manuela Pastore-Wapp, Manuel Bertschi, Jean-Marc Burgunder, Eugenio Abela, Bruno Weder, Sebastian Walther, Stephan Bohlhalter
Parkinson's disease (PD) patients frequently suffer from dexterous deficits impeding activities of daily living. There is controversy whether impaired fine motor skill may stem from limb kinetic apraxia (LKA) rather than bradykinesia. Based on classical models of limb praxis LKA is thought to result when premotor transmission of time-space information of skilled movements to primary motor representations is interrupted. Therefore, using functional magnetic resonance imaging (fMRI) we tested the hypothesis that dexterous deficits in PD are associated with altered activity and connectivity in left parieto-premotor praxis network...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/28751609/control-of-species-dependent-cortico-motoneuronal-connections-underlying-manual-dexterity
#11
Zirong Gu, John Kalamboglas, Shin Yoshioka, Wenqi Han, Zhuo Li, Yuka Imamura Kawasawa, Sirisha Pochareddy, Zhen Li, Fuchen Liu, Xuming Xu, Sagara Wijeratne, Masaki Ueno, Emily Blatz, Joseph Salomone, Atsushi Kumanogoh, Mladen-Roko Rasin, Brian Gebelein, Matthew T Weirauch, Nenad Sestan, John H Martin, Yutaka Yoshida
Superior manual dexterity in higher primates emerged together with the appearance of cortico-motoneuronal (CM) connections during the evolution of the mammalian corticospinal (CS) system. Previously thought to be specific to higher primates, we identified transient CM connections in early postnatal mice, which are eventually eliminated by Sema6D-PlexA1 signaling. PlexA1 mutant mice maintain CM connections into adulthood and exhibit superior manual dexterity as compared with that of controls. Last, differing PlexA1 expression in layer 5 of the motor cortex, which is strong in wild-type mice but weak in humans, may be explained by FEZF2-mediated cis-regulatory elements that are found only in higher primates...
July 28, 2017: Science
https://www.readbyqxmd.com/read/28734971/robotic-assistance-confers-ambidexterity-to-laparoscopic-surgeons
#12
Souzana Choussein, Serene S Srouji, Leslie V Farland, Ashley Wietsma, Stacey A Missmer, Michael Hollis, Richard N Yu, Charles N Pozner, Antonio R Gargiulo
STUDY OBJECTIVE: To examine whether a robotic surgical platform can complement the fine motor skills of the non-dominant hand, compensating for the innate difference in dexterity between the surgeon's hands, thereby conferring virtual ambidexterity. DESIGN: Crossover intervention study. DESIGN CLASSIFICATION: Level II-1 evidence. SETTING: Centers for medical simulation of two tertiary care hospitals of Harvard Medical School...
July 19, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28722685/neural-control-of-finger-movement-via-intracortical-brain-machine-interface
#13
Zachary T Irwin, Karen E Schroeder, Philip P Vu, Autumn J Bullard, Derek M Tat, Chrono S Nu, Alex Vaskov, Samuel R Nason, David E Thompson, Nicole Bentley, Parag G Patil, Cynthia A Chestek
OBJECTIVE: Intracortical brain-machine interfaces (BMIs) are a promising source of prosthesis control signals for individuals with severe motor disabilities. Previous BMI studies have primarily focused on predicting and controlling whole-arm movements; precise control of hand kinematics, however, has not been fully demonstrated. Here, we investigate the continuous decoding of precise finger movements in rhesus macaques. APPROACH: In order to elicit precise and repeatable finger movements, we have developed a novel behavioral task paradigm which requires the subject to acquire virtual fingertip position targets...
July 19, 2017: Journal of Neural Engineering
https://www.readbyqxmd.com/read/28645972/does-non-invasive-brain-stimulation-modify-hand-dexterity-protocol-for-a-systematic-review-and-meta-analysis
#14
Anthony Terrence O'Brien, Gabriel Torrealba Acosta, Rodrigo Huerta, Aurore Thibaut
INTRODUCTION: Dexterity is described as coordinated hand and finger movement for precision tasks. It is essential for day-to-day activities like computer use, writing or buttoning a shirt. Integrity of brain motor networks is crucial to properly execute these fine hand tasks. When these networks are damaged, interventions to enhance recovery are frequently accompanied by unwanted side effects or limited in their effect. Non-invasive brain stimulation (NIBS) are postulated to target affected motor areas and improve hand motor function with few side effects...
June 22, 2017: BMJ Open
https://www.readbyqxmd.com/read/28578819/home-based-training-for-dexterity-in-parkinson-s-disease-a-randomized-controlled-trial
#15
Tim Vanbellingen, Thomas Nyffeler, Julia Nigg, Jorina Janssens, Johanna Hoppe, Tobias Nef, René M Müri, Erwin E H van Wegen, Gert Kwakkel, Stephan Bohlhalter
BACKGROUND: Patients with Parkinson's disease exhibit disturbed manual dexterity. This impairment leads to difficulties in activities of daily living, such as buttoning a shirt or hand-writing. The aim of the present study was to investigate the effectiveness of a home-based dexterity program on fine motor skills in a single-blinded, randomized controlled trial, in patients with Parkinson's disease. METHODS: One hundred and three patients with Parkinson's disease (aged between 48 and 80 years, Hoehn & Yahr stage I-IV) were randomized to either a home-based dexterity program (HOMEDEXT) or Thera-band program...
May 25, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28549364/-an-option-to-restore-ulnar-intrinsic-muscles-when-the-anterior-interosseus-nerve-is-not-available
#16
G A González-Trevizo
BACKGROUND: The peripheral nerve injuries are devastating for the patient; the classic reconstructive options are the Nerve Graft and Tendon Transfers. Lately the Nerve Transfers are being used more and more broadly. They are an excellent option on early injuries and when the motor plate is still alive. The advantages are numerous, because the functional recovery is much better. METHODS AND RESULTS: We report the case of a patient who sustained and injury on the median and ulnar nerve, so the EDQ and ECU branches were used to restore the Ulnar Intrinsic Function...
November 2016: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/28548544/neuropsychological-impairment-in-hashimoto-s-encephalopathy-a-case-report-and-literature-review
#17
Liorah Sabbah-Talasazan, Irene Piryatinsky
Hashimoto's encephalopathy (HE) is a rare neurological syndrome characterized by the presence of positive serum antithyroid antibodies, altered mental status, and clinical response to glucocorticoid therapy. Although HE has been documented in the literature from a medical standpoint, reports on the neuropsychological presentation of this syndrome are scarce. This article presents a literature review of cognitive deficits reported in HE cases. In addition, we describe the case of a 76-year-old Russian speaking woman diagnosed with HE in May 2012...
May 26, 2017: Applied Neuropsychology. Adult
https://www.readbyqxmd.com/read/28548032/impact-of-age-sex-socioeconomic-status-and-physical-activity-on-associated-movements-and-motor-speed-in-preschool-children
#18
Tanja H Kakebeeke, Annina E Zysset, Nadine Messerli-Bürgy, Aziz Chaouch, Kerstin Stülb, Claudia S Leeger-Aschmann, Einat A Schmutz, Amar Arhab, Valentin Rousson, Susi Kriemler, Simone Munsch, Jardena J Puder, Oskar G Jenni
INTRODUCTION: Young children generally show contralateral associated movements (CAMs) when they are making an effort to perform a unimanual task. CAM and motor speed are two relevant aspects of motor proficiency in young children. These CAMs decrease over age, while motor speed increases. As both CAM and motor speed are associated with age, we were interested in whether these two parameters are also linked with each other. METHOD: In this study, three manual dexterity tasks with the dominant and nondominant hands (pegboard, repetitive hand, and repetitive finger tasks) were used to investigate the effect of covariates (age, sex, socioeconomic status, total physical activity) on both motor speed and CAMs in preschool children...
May 26, 2017: Journal of Clinical and Experimental Neuropsychology
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/28502698/effectiveness-of-a-fine-motor-skills-rehabilitation-program-on-upper-limb-disability-manual-dexterity-pinch-strength-range-of-fingers-motion-performance-in-activities-of-daily-living-functional-independency-and-general-self-efficacy-in-hand-osteoarthritis-a
#20
Jose Manuel Pérez-Mármol, Ma Carmen García-Ríos, María Azucena Ortega-Valdivieso, Enrique Elías Cano-Deltell, María Isabel Peralta-Ramírez, Kelly Ickmans, María Encarnación Aguilar-Ferrándiz
STUDY DESIGN: A randomized clinical trial. INTRODUCTION: Rehabilitation treatments for improving fine motor skills (FMS) in hand osteoarthritis (HOA) have not been well explored yet. PURPOSE OF THE STUDY: To assess the effectiveness of a rehabilitation program on upper limb disability, independence of activities of daily living (ADLs), fine motor abilities, functional independency, and general self-efficacy in older adults with HOA. METHODS: About 45 adults (74-86 years) with HOA were assigned to an experimental group for completing an FMS intervention or a control group receiving conventional occupational therapy...
July 2017: Journal of Hand Therapy: Official Journal of the American Society of Hand Therapists
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