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Plasticity in children

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https://www.readbyqxmd.com/read/27906506/robustness-and-plasticity-in-development
#1
REVIEW
Patrick Bateson
Like the game of chess, the overall development of human behavior is highly regulated, and also many finer points of any particular individual life depend on early moves. The robust mechanisms that make species different from each other also impact processes that make individuals distinct from one another. Children both influence their environment and are influenced by it. As the development of any particular skill depends upon the contribution of particular environmental inputs at particular times, environmental variability can dramatically change the process...
December 1, 2016: Wiley Interdisciplinary Reviews. Cognitive Science
https://www.readbyqxmd.com/read/27894901/bilingualism-yields-language-specific-plasticity-in-left-hemisphere-s-circuitry-for-learning-to-read-in-young-children
#2
K K Jasińska, M S Berens, I Kovelman, L A Petitto
How does bilingual exposure impact children's neural circuitry for learning to read? Theories of bilingualism suggests that exposure to two languages may yield a functional and neuroanatomical adaptation to support the learning of two languages (Klein et al., 2014). To test the hypothesis that this neural adaptation may vary as a function of structural and orthographic characteristics of bilinguals' two languages, we compared Spanish-English and French-English bilingual children, and English monolingual children, using functional Near Infrared Spectroscopy neuroimaging (fNIRS, ages 6-10, N = 26)...
November 25, 2016: Neuropsychologia
https://www.readbyqxmd.com/read/27885162/contralesional-corticomotor-neurophysiology-in-hemiparetic-children-with-perinatal-stroke-developmental-plasticity-and-clinical-function
#3
Ephrem Zewdie, Omar Damji, Patrick Ciechanski, Trevor Seeger, Adam Kirton
Background Perinatal stroke causes most hemiparetic cerebral palsy. Ipsilateral connections from nonlesioned hemisphere to affected hand are common. The nonlesioned primary motor cortex (M1) determines function and is a potential therapeutic target but its neurophysiology is poorly understood. Objective We aimed to characterize the neurophysiological properties of the nonlesioned M1 in children with perinatal stroke and their relationship to clinical function. Methods Fifty-two participants with hemiparetic cerebral palsy and magnetic resonance imaging-confirmed perinatal stroke and 40 controls aged 8 to 18 years completed the same transcranial magnetic stimulation (TMS) protocol...
November 23, 2016: Neurorehabilitation and Neural Repair
https://www.readbyqxmd.com/read/27876897/mmps-and-timps-expression-in-facial-tissue-of-children-with-cleft-lip-and-palate
#4
Liene Smane-Filipova, Mara Pilmane, Ilze Akota
BACKGROUND AND AIMS: Morphogenesis of the upper lip and palate is a complex process involving highly regulated interactions between epithelial and mesenchymal cells. Genetic evidence in humans and mice indicates the involvement of matrix metalloproteinases (MMPs) and their endogenous tissue inhibitors (TIMPs) in cleft lip palate (CLP) aetiology. This study investigated whether expression of MMP-2, MMP-8, MMP-9, TIMP-2, and TIMP-4, which are essential for the upper lip and palate fusion, is dysregulated in children with CLP...
November 21, 2016: Biomedical Papers of the Medical Faculty of the University Palacký, Olomouc, Czechoslovakia
https://www.readbyqxmd.com/read/27876227/phthalate-levels-and-related-factors-in-children-aged-6-12-years
#5
Wei Wu, Feng Zhou, Yue Wang, Yong Ning, Jian-Ye Yang, Yi-Kai Zhou
Although previous studies showed that children are widely exposed to phthalates, the sources of phthalate exposure for school-aged children in China are not well understood. This study aimed to assess phthalate metabolite levels and explore the factors influencing exposure in children. We collected demographic data and biological samples from 336 children aged 6-12 years. We calculated urinary concentrations of 14 mono-phthalate metabolites and conducted chi-square (χ(2)) tests and logistic regression analysis to determine the variables associated with phthalate levels...
November 19, 2016: Environmental Pollution
https://www.readbyqxmd.com/read/27859933/spectroscopic-biomarkers-of-motor-cortex-developmental-plasticity-in-hemiparetic-children-after-perinatal-stroke
#6
Helen L Carlson, Frank P MacMaster, Ashley D Harris, Adam Kirton
Perinatal stroke causes hemiparetic cerebral palsy and lifelong motor disability. Bilateral motor cortices are key hubs within the motor network and their neurophysiology determines clinical function. Establishing biomarkers of motor cortex function is imperative for developing and evaluating restorative interventional strategies. Proton magnetic resonance spectroscopy (MRS) quantifies metabolite concentrations indicative of underlying neuronal health and metabolism in vivo. We used functional magnetic resonance imaging (MRI)-guided MRS to investigate motor cortex metabolism in children with perinatal stroke...
November 17, 2016: Human Brain Mapping
https://www.readbyqxmd.com/read/27854071/staged-laparotomies-based-on-the-damage-control-principle-to-treat-hemodynamically-unstable-grade-iv-blunt-hepatic-injury-in-an-eight-year-old-girl
#7
Takashi Kobayashi, Masayuki Kubota, Yuhki Arai, Toshiyuki Ohyama, Naoki Yokota, Kohei Miura, Hirosuke Ishikawa, Daiki Soma, Kazuyasu Takizawa, Jun Sakata, Masayuki Nagahashi, Hitoshi Kameyama, Toshifumi Wakai
BACKGROUND: Severe blunt hepatic injury is a major cause of morbidity and mortality in pediatric patients. Damage control (DC) surgery has been reported to be useful in severely compromised children with hepatic injury. We applied such a technique in the treatment of a case of hemodynamically unstable grade IV blunt hepatic injury in an eight-year-old girl. This case is the first to use multimodal approaches including perihepatic packing, temporary closure of the abdominal wall with a plastic sheet, transarterial embolization (TAE), and planned delayed anatomical hepatic resection in a child...
December 2016: Surgical Case Reports
https://www.readbyqxmd.com/read/27843253/acidogenic-potential-of-plain-milk-milk-with-sugar-milk-with-cornflakes-and-milk-cornflakes-with-sugar-a-comparative-study
#8
REVIEW
Sham S Bhat, Sundeep K Hegde, Vidya S Bhat, K M Ramya, Praveen S Jodalli
AIM: To compare the acidogenic potential of plain milk, milk with sugar, milk with cornflakes, and milk cornflakes with sugar by assessing the salivary pH. MATERIALS AND METHODS: The study was carried out on 40 school children of 8 to 12 years; 20 boys and 20 girls were randomly selected. The salivary pH was assessed before and after the consumption of milk; milk and sugar; milk and cornflakes; and milk, sugar, and cornflakes. Baseline unstimulated saliva was collected in sterile plastic tube and the pH was recorded...
July 2016: International Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/27837421/otologic-and-audiologic-findings-in-22q11-2-deletion-syndrome
#9
E Verheij, A L Kist, A B Mink van der Molen, I Stegeman, G A van Zanten, W Grolman, H G X M Thomeer
Hearing loss is frequently present in the 22q11.2 deletion syndrome. Our aim was to describe the audiologic and otologic features of patients with 22q11.2 deletion syndrome. We conducted a retrospective cohort study in a single tertiary referral center. We reviewed medical files of all patients with 22q11.2 deletion syndrome who visited an otolaryngologist, plastic surgeon or speech therapist, for audiologic or otologic features. Hearing loss was defined as a pure tone average (of 0.5, 1, 2, and 4 kHz) of >20 decibel hearing level...
November 11, 2016: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/27834621/repeat-surgery-for-focal-cortical-dysplasias-in-children-indications-and-outcomes
#10
Matthew F Sacino, Cheng-Ying Ho, Matthew T Whitehead, Amy Kao, Dewi Depositario-Cabacar, John S Myseros, Suresh N Magge, Robert F Keating, William D Gaillard, Chima O Oluigbo
OBJECTIVE Focal cortical dysplasia (FCD) is a common cause of medically intractable epilepsy that often may be treated by surgery. Following resection, many patients continue to experience seizures, necessitating a decision for further surgery to achieve the desired seizure outcomes. Few studies exist on the efficacy of reoperation for intractable epilepsy due to FCD in pediatric cohorts, including the definition of prognostic factors correlated with clinical benefit from further resection. METHODS The authors retrospectively analyzed the medical records and MR images of 22 consecutive pediatric patients who underwent repeat FCD resection after unsuccessful first surgery at the Children's National Health System between March 2005 and April 2015...
November 11, 2016: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/27829128/theta-beta-neurofeedback-in-children-with-adhd-feasibility-of-a-short-term-setting-and-plasticity-effects
#11
Jessica Van Doren, Hartmut Heinrich, Mareile Bezold, Nina Reuter, Oliver Kratz, Stefanie Horndasch, Matthias Berking, Tomas Ros, Holger Gevensleben, Gunther H Moll, Petra Studer
Neurofeedback (NF) is increasingly used as a therapy for attention-deficit/hyperactivity disorder (ADHD), however behavioral improvements require 20 plus training sessions. More economic evaluation strategies are needed to test methodological optimizations and mechanisms of action. In healthy adults, neuroplastic effects have been demonstrated directly after a single session of NF training. The aim of our study was to test the feasibility of short-term theta/beta NF in children with ADHD and to learn more about the mechanisms underlying this protocol...
November 6, 2016: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/27825385/neurogenomics-and-the-role-of-a-large-mutational-target-on-rapid-behavioral-change
#12
Craig E Stanley, Rob J Kulathinal
BACKGROUND: Behavior, while complex and dynamic, is among the most diverse, derived, and rapidly evolving traits in animals. The highly labile nature of heritable behavioral change is observed in such evolutionary phenomena as the emergence of converged behaviors in domesticated animals, the rapid evolution of preferences, and the routine development of ethological isolation between diverging populations and species. In fact, it is believed that nervous system development and its potential to evolve a seemingly infinite array of behavioral innovations played a major role in the successful diversification of metazoans, including our own human lineage...
November 8, 2016: Biology Direct
https://www.readbyqxmd.com/read/27823874/ipsilateral-plastic-deformation-monteggia-and-galeazzi-type-fracture-in-a-child-a-case-report
#13
Andrew Greer, Christopher John Lowry, Shammi Ramlakhan
A 7-year-old boy attended the emergency department after falling from a climbing frame onto his outstretched left wrist. On examination, there was mild swelling to the left elbow and tenderness to the antecubital fossa. There was also tenderness diffusely to the distal ulnar and radius. There was no neurovascular deficit. Radiographs revealed a plastic deformation fracture of the left radius and ulna, with dislocations of the ipsilateral radiocapitellar joint and distal radioulnar joint. A diagnosis of combined Monteggia and Galeazzi-type fractures of the left forearm was made...
November 4, 2016: Annals of Emergency Medicine
https://www.readbyqxmd.com/read/27817916/orbital-periorbital-plexiform-neurofibromas-in-children-with-neurofibromatosis-type-1-multidisciplinary-recommendations-for-care
#14
Robert A Avery, James A Katowitz, Michael J Fisher, Gena Heidary, Eva Dombi, Roger J Packer, Brigitte C Widemann
TOPIC: Children and adults with neurofibromatosis type 1 (NF1), a common autosomal dominant condition, manifest a variety of ophthalmologic conditions. Plexiform neurofibromas (PNs) involving the eyelid, orbit, periorbital, and facial structures (orbital-periorbital plexiform neurofibroma [OPPN]) can result in significant visual loss in children. Equally important, OPPNs can cause significant alteration in physical appearance secondary to proptosis, ptosis, and facial disfigurement, leading to social embarrassment and decreased self-esteem...
November 3, 2016: Ophthalmology
https://www.readbyqxmd.com/read/27816410/a-10-year-epidemiological-study-of-paediatric-burns-at-the-welsh-centre-for-burns-and-plastic-surgery
#15
Leigh Sanyaolu, Muhammad Umair Javed, Micheal Eales, Sarah Hemington-Gorse
Paediatric burns make up a significant proportion of burn injured patients seen within the hospital setting and worldwide account for a significant proportion of unintentional deaths. Currently there is limited data on severe paediatric burns requiring intensive care support. Our study aimed primarily to describe the epidemiology of severe burns admitted to the intensive care unit at our centre receiving fluid resuscitation over a 10 year period. A secondary aim was to describe the referrals patterns in general over the same time period...
November 2, 2016: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/27809886/efficacy-of-the-small-step-program-in-a-randomised-controlled-trial-for-infants-below-age-12%C3%A2-months-with-clinical-signs-of-cp-a-study-protocol
#16
Ann-Christin Eliasson, Linda Holmström, Päivikki Aarne, Cecilia Nakeva von Mentzer, Ann-Louise Weiland, Lena Sjöstrand, Hans Forssberg, Kristina Tedroff, Kristina Löwing
BACKGROUND: Children with cerebral palsy (CP) have life-long motor disorders, and they are typically subjected to extensive treatment throughout their childhood. Despite this, there is a lack of evidence supporting the effectiveness of early interventions aiming at improving motor function, activity, and participation in daily life. The study will evaluate the effectiveness of the newly developed Small Step Program, which is introduced to children at risk of developing CP during their first year of life...
November 3, 2016: BMC Pediatrics
https://www.readbyqxmd.com/read/27807606/bdnf-concentrations-and-daily-fluctuations-differ-among-adhd-children-and-respond-differently-to-methylphenidate-with-no-relationship-with-depressive-symptomatology
#17
Isabel Cubero-Millán, María-José Ruiz-Ramos, Antonio Molina-Carballo, Sylvia Martínez-Serrano, Luisa Fernández-López, Irene Machado-Casas, Pilar Tortosa-Pinto, Aida Ruiz-López, Juan-de-Dios Luna-Del-Castillo, José Uberos, Antonio Muñoz-Hoyos
RATIONALE: Brain-derived neurotrophic factor (BDNF) enhances the growth and maintenance of several monoamine neuronal systems, serves as a neurotransmitter modulator and participates in the mechanisms of neuronal plasticity. Therefore, BDNF is a good candidate for interventions in the pathogenesis and/or treatment response of attention deficit hyperactivity disorder (ADHD). OBJECTIVE: We quantified the basal concentration and daily fluctuation of serum BDNF, as well as changes after methylphenidate treatment...
November 3, 2016: Psychopharmacology
https://www.readbyqxmd.com/read/27804887/interaction-between-ionizing-radiation-and-phthalates-an-unrecognized-risk-for-human-health
#18
Giuseppe Latini, Lucia Dipaola, Maria Grazia Andreassi, Silvia Rocchiccioli, Marika Massaro, Eugenio Picano
Ionizing radiation has been shown to impact and possibly alter the normal structure and function of living cells and is dangerous for human health, especially when exposure occurs early in life. Additionally, radiation can interact with other dangerous substances in the same environment, such as phthalates. Phthalates are a group of multifunctional molecules used in a wide range of consumer products, as plasticizers to impart flexibility, durability and strength to otherwise rigid polyvinyl chloride. They are not chemically bound to polyvinyl chloride, and thus migrate into the environment with time and use, becoming ubiquitous environmental contaminants...
October 31, 2016: Mini Reviews in Medicinal Chemistry
https://www.readbyqxmd.com/read/27798478/use-of-transportable-radiation-detection-instruments-to-assess-internal-contamination-from-intakes-of-radionuclides-part-ii-calibration-factors-and-icat-computer-program
#19
Robert Anigstein, Richard H Olsher, Donald A Loomis, Armin Ansari
The detonation of a radiological dispersion device or other radiological incidents could result in widespread releases of radioactive materials and intakes of radionuclides by affected individuals. Transportable radiation monitoring instruments could be used to measure radiation from gamma-emitting radionuclides in the body for triaging individuals and assigning priorities to their bioassay samples for in vitro assessments. The present study derived sets of calibration factors for four instruments: the Ludlum Model 44-2 gamma scintillator, a survey meter containing a 2...
December 2016: Health Physics
https://www.readbyqxmd.com/read/27791703/reconstruction-of-a-large-calvarial-traumatic-defect-using-a-custom-made-porous-hydroxyapatite-implant-covered-by-a-free-latissimus-dorsi-muscle-flap-in-an-11-year-old-patient
#20
Anne Morice, Frédéric Kolb, Arnaud Picard, Natacha Kadlub, Stéphanie Puget
Reconstruction of complex skull defects requires collaboration between neurosurgeons and plastic surgeons to choose the most appropriate procedure, especially in growing children. The authors describe herein the reconstruction of an extensive traumatic bone and soft tissue defect of the cranial vault in an 11-year-old boy. The size of the defect, quality of the tissues, and patient's initial condition required a 2-stage approach. Ten months after an initial emergency procedure in which lacerated bone and soft tissue were excised, reconstruction was performed...
October 28, 2016: Journal of Neurosurgery. Pediatrics
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