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https://www.readbyqxmd.com/read/29775205/modified-device-for-fluid-percussion-injury-in-rodents
#1
Wei Ouyang, Wenhui Wu, Zhiheng Fan, Jihui Wang, Huiju Pan, Weibin Yang
Fluid percussion (FP) injury model is a popular animal model of traumatic brain injury (TBI), but still there are some issues need to be addressed. To increase the validity and reliability of this technique, we adapted the FP device using electromagnetic protractor, stainless-steel cylinder, changing pressure transducer position, and foam pads to adjust the parameters of FP pulse. Besides, the adjusted FP device is more automatic. The FP pulse is promptly measured and displayed in a graphic user interface software...
May 18, 2018: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/29774619/different-types-of-multiple-synapse-boutons-in-the-cerebellar-cortex-between-physically-enriched-and-ataxic-mutant-mice
#2
Hyun-Wook Kim, Seunghak Oh, Seung Hwan Lee, Sanghoon Lee, Ji-Eun Na, Kea Joo Lee, Im Joo Rhyu
Experience-dependent synapse remodeling is associated with information storage in the nervous system. Neuronal synapses show alteration in various neurological and cognitive disorders in their structure and function. At the ultrastructural level, parallel fiber boutons contacting multiple spines of Purkinje cells in the cerebellar cortex are commonly observed in physiologically enriched animals as well as pathological ataxic mutants. However, the dendritic origin of those spines on parallel fiber multiple-synapse boutons (MSBs) has been poorly understood...
May 18, 2018: Microscopy Research and Technique
https://www.readbyqxmd.com/read/29772526/marine-derived-bioactive-compounds-for-treatment-of-alzheimer-s-disease
#3
Sreeja Lakshmi, Parvathi Prakash, Musthafa M Essa, Walid M Qoronfleh, Mohammed Akbar, Byoung-Joon Song, Suresh Kumar, Preetham Elumalai
Alzheimer's disease (AD ) is mounting as social and economic encumbrance which are accompanied by deficits in cognition and memory. Over the past decades, Alzheimer's disease (AD) holds the frontline as one of the biggest healthcare issues in the world. AD is an age related neurodegenerative disorder marked by a decline in memory and an impairment of cognition. Inspite of tedious scientific effort, AD is still devoid of pharmacotherapeutic strategies for treatment as well as prevention. Current treatment strategies using drugs are symbolic in nature as they treat disease manifestation though are found effective in treating cognition...
June 1, 2018: Frontiers in Bioscience (Elite Edition)
https://www.readbyqxmd.com/read/29771382/-it-s-just-for-us-perceived-benefits-of-participation-in-a-group-intervention-for-siblings-of-children-with-cancer
#4
Maru Barrera, Alexandra Neville, Laura Purdon, Kelly Hancock
Objective: This qualitative substudy aimed to investigate the outcomes of sibling group interventions from the perspective of siblings of children with cancer and their caregivers. Method: Siblings were randomized to receive the Siblings Coping Together intervention (SibCT) or attention control (CG). In all, 30 participants, 18 siblings (average age = 11.89 years, 9 CG and 9 SibCT) and 12 caregivers (4 CG and 8 SibCT), were interviewed following group participation...
May 15, 2018: Journal of Pediatric Psychology
https://www.readbyqxmd.com/read/29770543/impairment-in-toileting-behavior-after-a-stroke
#5
Eri Kawanabe, Makoto Suzuki, Satoshi Tanaka, Shotaro Sasaki, Toyohiro Hamaguchi
AIM: Dependence for toileting is the most problematic aspect for patients after a stroke. However, the relative difficulty of each component of toileting and the predictors for independent performance of these activities are unknown. We investigated these issues in stroke patients using Boltzmann sigmoid and generalized linear modeling. METHODS: We carried out a cross-sectional correlation study, including 107 adult inpatients, hospitalized for a stroke. We assessed the activity components of toileting, as well as evaluated physical impairment using the Fugl-Meyer Assessment, impairments in balance using the Berg Balance Scale, cognitive impairments using the Mini-Mental State Examination and the presence or absence of unilateral spatial neglect or aphasia...
May 17, 2018: Geriatrics & Gerontology International
https://www.readbyqxmd.com/read/29768092/are-only-infants-held-more-often-on-the-left-if-so-why-testing-the-attention-emotion-hypothesis-with-an-infant-a-vase-and-two-chimeric-tests-one-emotional-one-not
#6
Lauren Julius Harris, Rodrigo A Cárdenas, Nathaniel D Stewart, Jason B Almerigi
Most adults, especially women, hold infants and dolls but not books or packages on the left side. One reason may be that attention is more often leftward in response to infants, unlike emotionally neutral objects like books and packages. Women's stronger bias may reflect greater responsiveness to infants. Previously, we tested the attention hypothesis by comparing women's side-of-hold of a doll, book, and package with direction-of-attention on the Chimeric Faces Test (CFT) [Harris, L. J., Cárdenas, R. A...
May 16, 2018: Laterality
https://www.readbyqxmd.com/read/29768089/a-commentary-on-effects-of-regular-physical-activity-on-the-cognitive-performance-of-type-2-diabetic-patients-a-systematic-review-by-podolski-et-al-metab-syndr-relat-disord-2017-15-481-493
#7
Erin M Shellington, Sonja M Reichert, Robert J Petrella
Type 2 diabetes mellitus (T2DM) imparts an increased risk for cognitive decline, specifically executive function, which is important to maintain for diabetes self-management. There is evidence to suggest that exercise improves cognition in healthy older adults; however, the literature in adults with T2DM is lacking. This commentary is in complement to Podolski et al.'s systematic review evaluating the effects of physical activity on cognitive function in adults with T2DM. We have included eight additional studies and further highlight their conclusions on the heterogeneity of the literature thus far...
May 16, 2018: Metabolic Syndrome and related Disorders
https://www.readbyqxmd.com/read/29764972/separate-functional-properties-of-nmdars-regulate-distinct-aspects-of-spatial-cognition
#8
Erin M Sanders, Akua O Nyarko-Odoom, Kevin Zhao, Michael Nguyen, Hong Hong Liao, Matthew Keith, Jane Pyon, Alyssa Kozma, Mohima Sanyal, Daniel G McHail, Theodore C Dumas
N -methyl-d-aspartate receptors (NMDARs) at excitatory synapses are central to activity-dependent synaptic plasticity and learning and memory. NMDARs act as ionotropic and metabotropic receptors by elevating postsynaptic calcium concentrations and by direct intracellular protein signaling. In the forebrain, these properties are controlled largely by the auxiliary GluN2 subunits, GluN2A and GluN2B. While calcium conductance through NMDAR channels and intracellular protein signaling make separate contributions to synaptic plasticity, it is not known if these properties individually influence learning and memory...
June 2018: Learning & Memory
https://www.readbyqxmd.com/read/29763658/event-related-potential-analysis-techniques-for-autism-spectrum-disorders-a-review
#9
REVIEW
Priyalakshmi Sheela, Subha D Puthankattil
Autism Spectrum Disorders (ASD) comprise all pervasive neurodevelopmental diseases marked by deficits in social and communication skills, delayed cognitive development, restricted and repetitive behaviors. The core symptoms begin in early childhood, may continue life-long resulting in poor performance in adult stage. Event-related potential (ERP) is basically a time-locked electroencephalogram signal elicited by various stimuli, related to sensory and cognitive processes. The various ERP based techniques used for the study of ASD are considered in this review...
May 12, 2018: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/29763428/physical-and-cognitive-doping-in-university-students-using-the-unrelated-question-model-uqm-assessing-the-influence-of-the-probability-of-receiving-the-sensitive-question-on-prevalence-estimation
#10
Pavel Dietz, Anne Quermann, Mireille Nicoline Maria van Poppel, Heiko Striegel, Hannes Schröter, Rolf Ulrich, Perikles Simon
STUDY OBJECTIVES: In order to increase the value of randomized response techniques (RRTs) as tools for studying sensitive issues, the present study investigated whether the prevalence estimate for a sensitive item [Formula: see text] assessed with the unrelated questionnaire method (UQM) is influenced by changing the probability of receiving the sensitive question p. MATERIAL AND METHODS: A short paper-and-pencil questionnaire was distributed to 1.243 university students assessing the 12-month prevalence of physical and cognitive doping using two versions of the UQM with different probabilities for receiving the sensitive question (p ≈ 1/3 and p ≈ 2/3)...
2018: PloS One
https://www.readbyqxmd.com/read/29763275/general-parenting-strategies-practical-suggestions-for-common-child-behavior-issues
#11
Michael G Kavan, Shailendra K Saxena, Naureen Rafiq
Parents often seek guidance from physicians on child behavior problems. Questions may range from general parenting strategies to managing specific child behaviors. Physicians and their staff can identify problematic parent-child interactions or behaviors within the office setting and assist parents by providing effective monitoring tools for behavior problems. Effective strategies for influencing a child's behavior include positive reinforcement to increase appropriate behavior, extinction (planned ignoring) for most low-level problematic behaviors, and time-out from reinforcement for more problematic behaviors...
May 15, 2018: American Family Physician
https://www.readbyqxmd.com/read/29761004/exploring-the-impact-of-chronic-high-altitude-exposure-on-visual-spatial-attention-using-the-erp-approach
#12
Delong Zhang, Hailin Ma, Jiaqun Huang, Xinjuan Zhang, Huifang Ma, Ming Liu
Introduction: Previous studies have reported the slowing of reaction times to attentionally demanding tasks due to a reduction in cognitive resource as a result of chronic high-altitude exposure. However, it is still largely unknown whether this reaction slowness can be attributed to the attentional allocation change and/or response patterns. Methods: To clarify this issue, this study investigated attention-related (N2pc and N2 cc) and response-related (MP and RAP) event-related potentials (ERPs) to identify the performance of a visual search task by individuals who had lived in high-altitude areas for three years compared with those living at sea level...
May 2018: Brain and Behavior
https://www.readbyqxmd.com/read/29760183/neural-mechanisms-underlying-individual-differences-in-control-averse-behavior
#13
Sarah Rudorf, Katrin Schmelz, Thomas Baumgartner, Roland Wiest, Urs Fischbacher, Daria Knoch
When another person tries to control one's decisions, some people might comply, but many will feel the urge to act against that control. This control aversion can lead to suboptimal decisions and it affects social interactions in many societal domains. To date, however, it has been unclear what drives individual differences in control-averse behavior. Here, we address this issue by measuring brain activity with fMRI while healthy female and male human participants make choices that are either free or controlled by another person, with real consequences to both interaction partners...
May 14, 2018: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29755338/a-review-of-the-pedunculopontine-nucleus-in-parkinson-s-disease
#14
REVIEW
Isobel T French, Kalai A Muthusamy
The pedunculopontine nucleus (PPN) is situated in the upper pons in the dorsolateral portion of the ponto-mesencephalic tegmentum. Its main mass is positioned at the trochlear nucleus level, and is part of the mesenphalic locomotor region (MLR) in the upper brainstem. The human PPN is divided into two subnuclei, the pars compacta (PPNc) and pars dissipatus (PPNd), and constitutes both cholinergic and non-cholinergic neurons with afferent and efferent projections to the cerebral cortex, thalamus, basal ganglia (BG), cerebellum, and spinal cord...
2018: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/29754584/analysing-the-role-of-complexity-in-explaining-the-fortunes-of-technology-programmes-empirical-application-of-the-nasss-framework
#15
Trisha Greenhalgh, Joe Wherton, Chrysanthi Papoutsi, Jenni Lynch, Gemma Hughes, Christine A'Court, Sue Hinder, Rob Procter, Sara Shaw
BACKGROUND: Failures and partial successes are common in technology-supported innovation programmes in health and social care. Complexity theory can help explain why. Phenomena may be simple (straightforward, predictable, few components), complicated (multiple interacting components or issues) or complex (dynamic, unpredictable, not easily disaggregated into constituent components). The recently published NASSS framework applies this taxonomy to explain Non-adoption or Abandonment of technology by individuals and difficulties achieving Scale-up, Spread and Sustainability...
May 14, 2018: BMC Medicine
https://www.readbyqxmd.com/read/29752032/knowledge-and-beliefs-about-dementia-among-the-general-public-a-preliminary-report-on-the-cuban-population
#16
Y Broche-Pérez, Z Fernández-Fleites, B González, M A Hernández Pérez, Y I Salazar-Guerra
BACKGROUND: The number of people diagnosed with dementia globally has dramatically increased in recent years. The objective of this study was to explore beliefs and knowledge among the Cuban population with regard to the risk factors that may lead to dementia and the actions that may be taken to prevent it. METHOD: In an exploratory cross-sectional study, we surveyed a total of 391 people aged between 18 and 96 years. The results were stratified by sex, age range, level of education, and contact with dementia...
May 8, 2018: Neurología: Publicación Oficial de la Sociedad Española de Neurología
https://www.readbyqxmd.com/read/29751598/informed-consent-decision-making-in-deep-brain-stimulation
#17
REVIEW
Gabriele Mandarelli, Germana Moretti, Massimo Pasquini, Giuseppe Nicolò, Stefano Ferracuti
Deep brain stimulation (DBS) has proved useful for several movement disorders (Parkinson’s disease, essential tremor, dystonia), in which first and/or second line pharmacological treatments were inefficacious. Initial evidence of DBS efficacy exists for refractory obsessive-compulsive disorder, treatment-resistant major depressive disorder, and impulse control disorders. Ethical concerns have been raised about the use of an invasive surgical approach involving the central nervous system in patients with possible impairment in cognitive functioning and decision-making capacity...
May 11, 2018: Brain Sciences
https://www.readbyqxmd.com/read/29749715/altered-resting-state-hippocampal-and-caudate-functional-networks-in-patients-with-obstructive-sleep-apnea
#18
Xiaopeng Song, Bhaswati Roy, Daniel W Kang, Ravi S Aysola, Paul M Macey, Mary A Woo, Frisca L Yan-Go, Ronald M Harper, Rajesh Kumar
INTRODUCTION: Brain structural injury and metabolic deficits in the hippocampus and caudate nuclei may contribute to cognitive and emotional deficits found in obstructive sleep apnea (OSA) patients. If such contributions exist, resting-state interactions of these subcortical sites with cortical areas mediating affective symptoms and cognition should be disturbed. Our aim was to examine resting-state functional connectivity (FC) of the hippocampus and caudate to other brain areas in OSA relative to control subjects, and to relate these changes to mood and neuropsychological scores...
May 10, 2018: Brain and Behavior
https://www.readbyqxmd.com/read/29749040/editors-introduction-miscommunication
#19
Patrick G T Healey, Jan P de Ruiter, Gregory J Mills
Miscommunication is a neglected issue in the cognitive sciences, where it has often been discounted as noise in the system. This special issue argues for the opposite view: Miscommunication is a highly structured and ubiquitous feature of human interaction that systematically underpins people's ability to create and maintain shared languages. Contributions from conversation analysis, computational linguistics, experimental psychology, and formal semantics provide evidence for these claims. They highlight the multi-modal, multi-person character of miscommunication...
April 2018: Topics in Cognitive Science
https://www.readbyqxmd.com/read/29747716/effects-of-antiparkinson-medication-on-cognition-in-parkinson-s-disease-a-systematic-review
#20
Marc-André Roy, Maxime Doiron, Jessica Talon-Croteau, Nicolas Dupré, Martine Simard
OBJECTIVE: This study aimed to systematically review the effects of currently prescribed antiparkinson medication on cognition in patients with mild-to-moderate Parkinson's disease (PD) who were either cognitively intact or mildly impaired. METHODS: English- and French-language studies published between 1969 and 2017 were accessed via MedLine, PsychNET, EMBASE and EBSCO databases. Methodological quality (MQ) was evaluated with the quality assessment instrument of the Cochrane Collaboration Depression, Anxiety and Neurosis Review (scores from 0% to 44% indicate very low quality; scores from 45% to 64% indicate low quality; scores from 65% to 84% indicate medium quality; and scores from 85% to 100% indicate high quality)...
May 11, 2018: Canadian Journal of Neurological Sciences. le Journal Canadien des Sciences Neurologiques
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