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https://www.readbyqxmd.com/read/27933358/embodiment-and-the-origin-of-interval-timing-kinematic-and-electromyographic-data
#1
Caspar Addyman, Sinead Rocha, Lilian Fautrelle, Robert M French, Elizabeth Thomas, Denis Mareschal
Recent evidence suggests that interval timing (the judgment of durations lasting from approximately 500 ms. to a few minutes) is closely coupled to the action control system. We used surface electromyography (EMG) and motion capture technology to explore the emergence of this coupling in 4-, 6-, and 8-month-olds. We engaged infants in an active and socially relevant arm-raising task with seven cycles and response period. In one condition, cycles were slow (every 4 s); in another, they were fast (every 2 s)...
December 9, 2016: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/27933283/neonatal-diagnostics-toward-dynamic-growth-charts-of-neuromotor-control
#2
Elizabeth B Torres, Beth Smith, Sejal Mistry, Maria Brincker, Caroline Whyatt
The current rise of neurodevelopmental disorders poses a critical need to detect risk early in order to rapidly intervene. One of the tools pediatricians use to track development is the standard growth chart. The growth charts are somewhat limited in predicting possible neurodevelopmental issues. They rely on linear models and assumptions of normality for physical growth data - obscuring key statistical information about possible neurodevelopmental risk in growth data that actually has accelerated, non-linear rates-of-change and variability encompassing skewed distributions...
2016: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/27932947/increased-fmri-sensitivity-at-equal-data-burden-using-averaged-shifted-echo-acquisition
#3
Suzanne T Witt, Marcel Warntjes, Maria Engström
There is growing evidence as to the benefits of collecting BOLD fMRI data with increased sampling rates. However, many of the newly developed acquisition techniques developed to collect BOLD data with ultra-short TRs require hardware, software, and non-standard analytic pipelines that may not be accessible to all researchers. We propose to incorporate the method of shifted echo into a standard multi-slice, gradient echo EPI sequence to achieve a higher sampling rate with a TR of <1 s with acceptable spatial resolution...
2016: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/27932945/monoaminergic-and-histaminergic-strategies-and-treatments-in-brain-diseases
#4
REVIEW
Giuseppe Di Giovanni, Dubravka Svob Strac, Montse Sole, Mercedes Unzeta, Keith F Tipton, Dorotea Mück-Šeler, Irene Bolea, Laura Della Corte, Matea Nikolac Perkovic, Nela Pivac, Ilse J Smolders, Anna Stasiak, Wieslawa A Fogel, Philippe De Deurwaerdère
The monoaminergic systems are the target of several drugs for the treatment of mood, motor and cognitive disorders as well as neurological conditions. In most cases, advances have occurred through serendipity, except for Parkinson's disease where the pathophysiology led almost immediately to the introduction of dopamine restoring agents. Extensive neuropharmacological studies first showed that the primary target of antipsychotics, antidepressants, and anxiolytic drugs were specific components of the monoaminergic systems...
2016: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/27932790/motor-neurons-derived-from-als-related-mouse-ips-cells-recapitulate-pathological-features-of-als
#5
Ju-Hwang Park, Hang-Soo Park, Sunghoi Hong, Seongman Kang
Amyotrophic lateral sclerosis (ALS) is a late-onset progressive neurodegenerative disease characterized by the loss of motor neurons in the spinal cord and brain. Mutations in Cu/Zn superoxide dismutase 1 (SOD1) are known to induce ALS. Although many research models have been developed, the exact pathological mechanism of ALS remains unknown. The recently developed induced pluripotent stem (iPS) cell technology is expected to illuminate the pathological mechanisms and new means of treatment for neurodegenerative diseases...
December 9, 2016: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/27932182/recovery-after-critical-illness-polyneuropathy-in-a-patient-with-orthotopic-liver-transplantation-a-case-report
#6
J Watanabe, E Ito, M Hatano, T Tohyama, Y Okada, Y Takada
After liver transplantation, some patients show neuromuscular abnormalities. A 43-year-old man with liver cirrhosis due to hepatitis C virus underwent living-donor liver transplantation. He developed severe neuromuscular dysfunction after sepsis, and acute respiratory distress syndrome. After the inflammatory reaction gradually improved, we observed bilateral weakness of the extremities and foot drop. Electrophysiological studies indicated primary axonal degeneration of peripheral motor and sensory fibers without inflammation...
November 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27931169/a-mouse-model-of-bilateral-cervical-contusion-compression-spinal-cord-injury
#7
Nicole Forgione, Mahmood Chamankhah, Michael Fehlings
Cervical spinal cord injury (cSCI) occurs in over half of all cases of traumatic SCI, yet we lack therapies that can generate significant functional recovery in these patients. The development of animal models of cSCI will aid in the pre-clinical assessment of therapies and in understanding basic pathophysiological mechanisms. Here we describe a clinically relevant model of cervical contusion-compression injury in the mouse. Using a modified aneurism clip we generated a bilateral, incomplete injury that mimics contusion-compression injuries most commonly seen in humans...
December 8, 2016: Journal of Neurotrauma
https://www.readbyqxmd.com/read/27930687/mathematical-characterization-of-protein-sequences-using-patterns-as-chemical-group-combinations-of-amino-acids
#8
Jayanta Kumar Das, Provas Das, Korak Kumar Ray, Pabitra Pal Choudhury, Siddhartha Sankar Jana
Comparison of amino acid sequence similarity is the fundamental concept behind the protein phylogenetic tree formation. By virtue of this method, we can explain the evolutionary relationships, but further explanations are not possible unless sequences are studied through the chemical nature of individual amino acids. Here we develop a new methodology to characterize the protein sequences on the basis of the chemical nature of the amino acids. We design various algorithms for studying the variation of chemical group transitions and various chemical group combinations as patterns in the protein sequences...
2016: PloS One
https://www.readbyqxmd.com/read/27930565/a-case-report-with-the-peculiar-concomitance-of-2-different-genetic-syndromes
#9
Alberto Lerario, Irene Colombo, Donatella Milani, Lorenzo Peverelli, Luisa Villa, Roberto Del Bo, Monica Sciacco, Giacomo Pietro Comi, Susanna Esposito, Maurizio Moggio
RATIONALE: Down syndrome (DS) is the most common chromosome disorder in live born infants, affecting several body systems, but usually sparing skeletal muscles. We present the case of a child with coexistence of DS and dystrophinopathy. Only 1 similar case has been reported so far. PATIENT CONCERNS: An 8-year-old boy with DS had a history of incidental finding of increased serum creatine kinase levels up to 1775 U/L (normal values 38-174 U/L). He presented no delay in motor development; at the neurological examination, no muscle weakness or fatigability was detected in 2 different evaluations performed over a 6-month period...
December 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27929319/effects-of-psychomotor-intervention-program-on-students-with-autism-spectrum-disorder
#10
Sayed ElGarhy, Ting Liu
The purpose of this study was to examine the effects of a psychomotor intervention program (PIP) on body awareness and psychomotor concepts for students with autism spectrum disorder (ASD). Twenty-eight students (23 boys and 5 girls) with ASD participated in this study. Fourteen students with ASD were randomly assigned to the experimental group (12 boys and 2 girls; mean age of 5.48 years), and 14 students were assigned to the control group (11 boys and 3 girls; mean age of 5.2 years). Students in the experimental group were trained with the PIP activities (targeting body awareness, body concepts, space concepts, and time concepts) three times a week for 10 weeks...
December 2016: School Psychology Quarterly
https://www.readbyqxmd.com/read/27928968/rationale-for-assessing-safety-and-efficacy-of-drug-candidates-alone-and-in-combination-with-medical-devices-the-case-study-of-spinalontm
#11
Pierre A Guertin
The aim of this review is to describe the rationale and main underlying reasons for undertaking, during clinical development, the study of drug candidates used separately and/or in combination with other technologies. To ease comprehension, reference will be made to the case of SpinalonTM, a new fixed-dose combination (FDC) product composed of levodopa/carbidopa/buspirone. This drug is capable of triggering, within minutes after a single administration orally, 45 minute- episodes of basic involuntary 'reflex' walking in paraplegic animals...
December 7, 2016: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/27928963/role-of-neurotrophic-factors-in-parkinson%C3%A2-s-disease
#12
Diogo Tomé, Carla Pais Fonseca, Filipa Lopes Campos, Graça Baltazar
Parkinson's disease is an age-associated progressive neurodegenerative disorder that has gained crescent social and economic impact due to the aging of the western society. All current therapies are symptomatic and fail to reverse or halt the progression of dopaminergic neurons loss. The discovery of the capability of neurotrophic factors to protect these neurons lead numerous research groups to focus their efforts in developing therapies aiming at promoting the control of Parkinson´s disease through the delivery of neurotrophic factors to the brain or by boosting their endogenous levels...
December 8, 2016: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/27927951/effects-of-the-selective-%C3%AE-5-gabaar-antagonist-s44819-on-excitability-in-the-human-brain-a-tms-emg-and-tms-eeg-phase-i-study
#13
Ghazaleh Darmani, Carl M Zipser, Gabriele M Böhmer, Karine Deschet, Florian Müller-Dahlhaus, Paolo Belardinelli, Matthias Schwab, Ulf Ziemann
: Alpha-5 gamma-aminobutyric acid type A receptors (α5-GABAARs) are located extrasynaptically, regulate neuronal excitability through tonic inhibition, and are fundamentally important for processes such as plasticity and learning. For example, pharmacological blockade of α5-GABAAR in mice with ischemic stroke improved recovery of function by normalizing exaggerated perilesional α5-GABAAR-dependent tonic inhibition. S44819 is a novel competitive selective antagonist of the α5-GABAAR at the GABA-binding site...
December 7, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/27927703/pharmacokinetics-and-pharmacodynamics-of-oral-mecamylamine-development-of-a-nicotinic-acetylcholine-receptor-antagonist-cognitive-challenge-test-using-modelling-and-simulation
#14
Ricardo Alvarez-Jimenez, Anne Catrien Baakman, Jasper Stevens, Sebastiaan C Goulooze, Ellen P Hart, Robert Rissmann, Joop Ma van Gerven, Geert Jan Groeneveld
A pharmacologic challenge model with a nicotinic antagonist could be an important tool not only to understand the complex role of the nicotinic cholinergic system in cognition, but also to develop novel compounds acting on the nicotinic acetylcholine receptor. The objective was to develop a pharmacokinetic-pharmacodynamic (PKPD) model using nonlinear mixed effects (NLME) methods to quantitate the pharmacokinetics of three oral mecamylamine doses (10, 20 and 30 mg) and correlate the plasma concentrations to the pharmacodynamic effects on a cognitive and neurophysiologic battery of tests in healthy subjects...
December 7, 2016: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/27927066/assessment-of-luteolin-isolated-from-eclipta-alba-leaves-in-animal-models-of-epilepsy
#15
Rufi Tambe, Aditi Patil, Pankaj Jain, Jayant Sancheti, Gauresh Somani, Sadhana Sathaye
CONTEXT: Eclipta alba (Linn) Hassk. (Asteraceae) has been reported to be a nerve tonic and has been used to treat epilepsy in folk medicine. OBJECTIVE: The present study isolates and characterizes luteolin from E. alba and evaluates its antiepileptic potential in chemically induced acute and chronic models in mice. MATERIALS AND METHODS: The methanol extract (16.85% w/w) of E. alba leaves was subjected to fractionation for isolation of luteolin...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/27927041/investigational-agents-for-the-management-of-huntington-s-disease
#16
Thomas Müller
An inherited, chronic progressive, neurodegenerative disorder is Huntington's disease, characterized by motor, cognitive, and psychiatric symptoms. Predictive genetic testing allows earlier diagnosis and identification of gene carriers for Huntington's disease. These individuals are ideal candidates for testing of therapeutic interventions for disease modification. Areas covered: According to queries in Pubmed, Embase and clinical register databases, research and clinical studies emerge on symptomatic and neuroprotective therapies in Huntington's disease...
December 7, 2016: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/27925592/enzyme-free-scalable-dna-digital-design-techniques-a-review
#17
Aby Konampurath George, Harpreet Singh
With the recent developments in DNA nanotechnology, DNA has been used as the basic building block for the design of nanostructures, autonomous molecular motors, various devices, and circuits. DNA is considered as a possible candidate for replacing silicon for designing digital circuits in a near future, especially in implantable medical devices, because of its parallelism, computational powers, small size, light weight, and compatibility with bio-signals. The research in DNA digital design is in early stages of development, and electrical and computer engineers are not much attracted towards this field...
December 2, 2016: IEEE Transactions on Nanobioscience
https://www.readbyqxmd.com/read/27925227/an-erp-study-of-response-inhibition-in-the-auditory-domain-in-children-with-fetal-alcohol-spectrum-disorders
#18
Matthew M Gerhold, Sandra W Jacobson, Joseph L Jacobson, Christopher D Molteno, Ernesta M Meintjes, Colin M Andrew
BACKGROUND: Previous event-related potential (ERP) studies of response inhibition in children with fetal alcohol spectrum disorder (FASD) have used a visual Go/NoGo task to study the impact of prenatal alcohol exposure on response inhibition. No studies exist using auditory versions of the task; thus, it is unclear how the deficits observed in visual tasks translate into the auditory domain. METHODS: This study examined ERPs using an auditory Go/NoGo paradigm in a sample of 35 school-age children-18 with heavy prenatal alcohol exposure and 17 normally developing controls...
December 7, 2016: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/27925116/truck-drivers-traffic-accidents-in-the-state-of-s%C3%A3-o-paulo-prevalence-and-predictors
#19
Lucio Garcia de Oliveira, Carlos Vinícius Dias de Almeida, Lucia Pereira Barroso, Marcela Julio Cesar Gouvea, Daniel Romero Muñoz, Vilma Leyton
Abstract The mortality rate of traffic accidents (TA) is high in Brazil. Trucks are the second category of motor vehicles most often involved in TA. However, few studies have addressed the issue of TA among these professionals. The study aimed to estimate the prevalence of TA and their predictors in a sample of 684 truck drivers recruited in the state of São Paulo during 2012 and 2013. We requested participants to answer a research instrument on their personal and occupational data and their involvement in TA and traffic violations...
December 2016: Ciência & Saúde Coletiva
https://www.readbyqxmd.com/read/27922469/sports-and-driving-with-an-implantable-cardioverter-defibrillator
#20
Aileen M Ferrick, Kevin J Ferrick
Many patients with implantable cardioverter-defibrillators (ICD) want to participate in sports and many need or wish to operate a personal motor vehicle. Healthcare providers need to advise patients regarding restrictions related to these activities in the context of the clinical indication for the ICD. Ethical considerations need to be considered when advising ICD patients of restrictions to reduce risk of injury to themselves and to others when participating in either sports or driving. Shared decision-making is necessary to have ICD patients understand and comply with recommended restrictions...
January 2017: Cardiology in Review
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