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https://www.readbyqxmd.com/read/29138991/test-retest-reliability-and-interpretation-of-common-concussion-assessment-tools-findings-from-the-ncaa-dod-care-consortium
#1
Steven P Broglio, Barry P Katz, Shi Zhao, Michael McCrea, Thomas McAllister
BACKGROUND: Concussion diagnosis is typically made through clinical examination and supported by performance on clinical assessment tools. Performance on commonly implemented and emerging assessment tools is known to vary between administrations, in the absence of concussion. OBJECTIVE: To evaluate the test-retest reliability of commonly implemented and emerging concussion assessment tools across a large nationally representative sample of student-athletes. METHODS: Participants (n = 4874) from the Concussion Assessment, Research, and Education Consortium completed annual baseline assessments on two or three occasions...
November 14, 2017: Sports Medicine
https://www.readbyqxmd.com/read/29137271/environmental-conditions-differentially-affect-neurobehavioral-outcomes-in-a-mouse-model-of-sepsis-associated-encephalopathy
#2
Mu-Huo Ji, Hui Tang, Dan Luo, Li-Li Qiu, Min Jia, Hong-Mei Yuan, Shan-Wu Feng, Jian-Jun Yang
Brain dysfunction remains a common complication after sepsis development and is an independent risk factor for a poorer prognosis and an increased mortality. Here we tested the hypothesis that the behavioral outcomes after lipopolysaccharides (LPS) administration are exacerbated by an impoverished environment (IE) and alleviated by an enriched environment (EE), respectively. Mice were randomly allocated in a standard environment (SE), an EE, or an IE for 4 weeks after LPS or normal saline (NS) administration...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29135273/-neuroscience-of-mental-flexibility
#3
Zoltán Janka
Mental flexibility enabling shifts from the usual prepotent behaviour to new strategies and solutions is a significant factor in the successful adaptation to the changing environment. Components of mental flexibility comprise attention, salience detection, inhibition, working memory and switch processes which can be measured by neurocognitive tests. Data derived from examinations by the methods of cognitive neuroscience can be compared to the features, observed under resting state and during task performance, of brain structures and functions...
November 2017: Orvosi Hetilap
https://www.readbyqxmd.com/read/29135068/contribution-of-genes-in-the-gabaergic-pathway-to-bipolar-disorder-and-its-executive-function-deficit-in-the-chinese-han-population
#4
Hongyan Ren, Lijie Guan, Liansheng Zhao, Yin Lin, Yincheng Wang, Zhenxing Yang, Xuan Li, Xiaohong Ma, Xiongchao Cheng, Wenhao Deng, Katherine J Aitchison, Liping Cao, Tao Li
In this study, we investigated the association between bipolar I disorder (BDI) and between cognitive deficits therein and SNPs in GABAergic receptor genes. The sample comprised 477 patients with BDI and 438 healthy controls, with three neurocognitive tests being administered in 123 patients and 164 controls. For three SNPs, rs505474, rs1398175, and rs4868029 in the GABRA2, GABRA4, and GABRP genes, respectively, their allele frequencies were significantly different between patients and controls (Bonferroni-adjusted p = values 3...
November 14, 2017: American Journal of Medical Genetics. Part B, Neuropsychiatric Genetics
https://www.readbyqxmd.com/read/29133114/neurocognitive-performance-profile-postparathyroidectomy-a-pilot-study-of-computerized-assessment
#5
Caitlin F Bell, Mathew M Warrick, Kathleen C Gallagher, Naira Baregamian
BACKGROUND: Neurocognitive symptoms attributable to primary hyperparathyroidism are important diagnostic criteria, yet the basic characterization and assessment of neurocognitive deficits in primary hyperparathyroidism are not defined fully. METHODS: In this prospective pilot study, patients with unequivocal biochemical diagnosis of primary hyperparathyroidism were evaluated for neurocognitive performance preoperatively and postparathyroidectomy (2 weeks, 6 months) using a battery of computerized modular tests designed by LUMOSITY...
November 10, 2017: Surgery
https://www.readbyqxmd.com/read/29131878/association-of-brain-structure-changes-and-cognitive-function-with-combination-antiretroviral-therapy-in-hiv-positive-individuals
#6
Ryan Sanford, Lesley K Fellows, Beau M Ances, D Louis Collins
Importance: Despite the introduction of combination antiretroviral therapy (cART), HIV-associated neurocognitive disorders continue to be a problem for treated HIV-positive individuals. The cause of this impairment remains unclear. Objective: To determine if detectable brain changes occur during a 2-year period in HIV-positive individuals who were aviremic and treated with cART. Design, Setting, and Participants: In this longitudinal case-control study, participants underwent neuroimaging and neuropsychological assessment approximately 2 years apart...
November 13, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/29128371/assessments-of-neurocognitive-and-behavioral-function-in-the-mucopolysaccharidoses
#7
REVIEW
Elsa G Shapiro, Maria L Escolar, Kathleen A Delaney, John J Mitchell
The mucopolysaccharidoses (MPS) are a group of rare, inherited lysosomal storage disorders in which accumulation of glycosaminoglycans (GAGs) leads to progressive tissue and organ dysfunction. In addition to a variety of somatic signs and symptoms, patients with rapidly progressing MPS I (Hurler), II, III, and VII can present with significant neurological manifestations, including impaired cognitive abilities, difficulties in language and speech, behavioral abnormalities, sleep problems, and/or seizures. Neurological symptoms have a substantial impact on the quality of life of MPS patients and their families...
September 15, 2017: Molecular Genetics and Metabolism
https://www.readbyqxmd.com/read/29121642/limbic-system-damage-in-ms-mri-assessment-and-correlations-with-clinical-testing
#8
Jie Wen, Dmitriy A Yablonskiy, Amber Salter, Anne H Cross
Volume loss in some limbic region structures has been observed in multiple sclerosis (MS) patients. However, in vivo evaluation of existing tissue cellular microstructure integrity has received less attention. The goal of studies reported here was to quantitatively assess loss of limbic system volumes and tissue integrity, and to evaluate associations of these measures with cognitive and physical dysfunction in MS patients. Thirty-one healthy controls (HC) and 80 MS patients, including 32 relapsing remitting (RRMS), 32 secondary progressive (SPMS) and 16 primary progressive (PPMS), participated in this study...
2017: PloS One
https://www.readbyqxmd.com/read/29121259/exercise-ameliorates-neurocognitive-impairments-in-a-translational-model-of-pediatric-radiotherapy
#9
Iman Sahnoune, Taeko Inoue, Shelli R Kesler, Shaefali P Rodgers, Omaima M Sabek, Steen E Pedersen, Janice A Zawaski, Katharine H Nelson, M Douglas Ris, J Leigh Leasure, M Waleed Gaber
Background: While CRT is an effective treatment, healthy areas surrounding irradiation sites are negatively affected. Frontal lobe functions involving attention, processing speed and inhibition control are impaired. These deficits appear months to years after CRT and impair quality-of-life. Exercise has been shown to rejuvenate the brain and aid in recovery post-injury through its effects on neurogenesis and cognition. Methods: We developed a juvenile rodent CRT model that reproduces neurocognitive deficits...
November 7, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/29116943/the-pparg-pro12ala-polymorphism-and-20-year-cognitive-decline-race-and-sex-heterogeneity
#10
Nancy A West, Jonathan V Tingle, Jeannette Simino, Elizabeth Selvin, Jan Bressler, Thomas H Mosley
Previous reports suggest race/ethnic and sex heterogeneity in the association between the Pro12Ala polymorphism of the peroxisome proliferator-activated receptor gamma (PPARG) gene and cognitive decline. Tests of verbal memory, processing speed, and verbal fluency and a composite global Z-score were used to assess cognitive performance longitudinally in a large (n=11,620) biracial cohort of older adults in the Atherosclerosis Risk in Communities Neurocognitive Study from midlife to older age. Linear mixed models were used to estimate associations between the Ala12 allele and cognitive performance over 20 years of follow-up...
November 7, 2017: Alzheimer Disease and Associated Disorders
https://www.readbyqxmd.com/read/29114564/the-effect-of-pretest-exercise-on-baseline-computerized-neurocognitive-test-scores
#11
Alec Pawlukiewicz, Aaron M Yengo-Kahn, Gary Solomon
Background: Baseline neurocognitive assessment plays a critical role in return-to-play decision making following sport-related concussions. Prior studies have assessed the effect of a variety of modifying factors on neurocognitive baseline test scores. However, relatively little investigation has been conducted regarding the effect of pretest exercise on baseline testing. Purpose/Hypothesis: The aim of our investigation was to determine the effect of pretest exercise on baseline Immediate Post-Concussion Assessment and Cognitive Testing (ImPACT) scores in adolescent and young adult athletes...
October 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29113571/dual-task-assessment-protocols-in-concussion-assessment-a-systematic-literature-review
#12
Michelle Kleiner, Lynne Wong, Alexandra Dubé, Katie Wnuk, Susan W Hunter, Laura J Graham
Study Design Systematic review. Background When assessed in isolation, balance and neurocognitive testing may not be sufficiently responsive to capture changes that occur with concussion. Normal daily activities require simultaneous cognitive and physical demands. Therefore, a dual-task assessment paradigm should be considered to identify performance deficits. Objectives To evaluate the literature and identify dual-task testing protocols associated with changes in gait after concussion. Methods A systematic review of articles of individuals with concussion who underwent dual-task testing with a combination of motor and cognitive tasks...
November 7, 2017: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/29112063/sex-based-differences-in-neurocognitive-functioning-in-hiv-infected-young-adults
#13
Ruxandra Burlacu, Anya Umlauf, Anca Luca, Sara Gianella, Roxana Radoi, Simona M Ruta, Thomas D Marcotte, Luminita Ene, Cristian L Achim
INTRODUCTION: Sex differences in cognition of HIV positive (HIV+) patients are controversial. We aimed to investigate the relationship between cognition, HIV status, and sex, in a highly homogenous cohort of young Romanians parenterally infected during early childhood. METHODS: 250 HIV+ participants were compared to age-matched HIV negative (HIV-) controls (n = 72) in a cross-sectional study. After standardized neurocognitive, psychological testing and medical evaluation, linear regression was used to assess the effect of sex and HIV on neurocognitive outcomes...
November 2, 2017: AIDS
https://www.readbyqxmd.com/read/29108448/the-relationship-between-neutrophil-lymphocyte-platelet-lymphocyte-ratio-and-cognitive-functions-in-bipolar-disorder
#14
Demet Sağlam Aykut, Filiz Civil Arslan, Evrim Özkorumak Karagüzel, Gizem Aral, Serdar Karakullukçu
OBJECTIVE: Inflammation is an important factor in pathophysiology of bipolar disorder. Neutrophil-lymphocyte ratio (NLR) and platelet-lymphocyte ratio (PLR) analysis are used to predict peripheral inflammation. The aim of this study is to calculate neutrophil-lymphocyte and platelet-lymphocyte ratios, which are inflammatory markers, and investigate their effect on cognitive functions in euthymic patients with objective bipolar disorder. METHOD: Twenty - eight patients with type-I bipolar disorder and 22 healthy controls matched for age, gender and educational status were included in the study...
November 6, 2017: Nordic Journal of Psychiatry
https://www.readbyqxmd.com/read/29107872/inflammation-and-gut-brain-axis-link-obesity-to-cognitive-dysfunction-plausible-pharmacological-interventions
#15
REVIEW
Maite Solas, Fermin I Milagro, María J Ramírez, J Alfredo Martínez
Obesity prevalence is increasing steadily throughout the world's population in most countries and in parallel the prevalence of metabolic disorders including cardiovascular diseases and type 2 diabetes is also rising, but less is reported about excessive adiposity relationship with poorer cognitive performance, cognitive decline and dementia. Some human clinical studies have evidenced that obesity is related to the risk of the development of mild cognitive impairment, in the form of short-term memory and executive function deficits, as well as dementia and Alzheimer's disease...
November 3, 2017: Current Opinion in Pharmacology
https://www.readbyqxmd.com/read/29103404/the-cerad-neuropsychological-assessment-battery-is-sensitive-to-alcohol-related-cognitive-deficiencies-in-elderly-patients-a-retrospective-matched-case-control-study
#16
Liane Kaufmann, Stefan Huber, Daniel Mayer, Korbinian Moeller, Josef Marksteiner
OBJECTIVES: Adverse effects of heavy drinking on cognition have frequently been reported. In the present study, we systematically examined for the first time whether clinical neuropsychological assessments may be sensitive to alcohol abuse in elderly patients with suspected minor neurocognitive disorder. METHODS: A total of 144 elderly with and without alcohol abuse (each group n=72; mean age 66.7 years) were selected from a patient pool of n=738 by applying propensity score matching (a statistical method allowing to match participants in experimental and control group by balancing various covariates to reduce selection bias)...
November 6, 2017: Journal of the International Neuropsychological Society: JINS
https://www.readbyqxmd.com/read/29102727/assessment-of-the-acquisition-of-executive-function-during-the-transition-from-adolescence-to-adulthood-in-male-and-female-mice
#17
Ryan Shepard, Emily Beckett, Laurence Coutellier
Executive functions (EF) reached full maturity during the transition from adolescence to adulthood. Human studies provide important information about adolescent developmental trajectories; however, little remains known about the neural circuits underlying the acquisition of mature EF. Ethical and technical considerations with human subjects limit opportunities to design experimental studies that allows for an in-depth understanding of developmental changes in neural circuits that regulate cognitive maturation...
November 2, 2017: Developmental Cognitive Neuroscience
https://www.readbyqxmd.com/read/29100951/distinct-cerebellar-regions-related-to-motor-and-cognitive-performance-in-sca6-patients
#18
Zubir Rentiya, Noore-Sabah Khan, Ezgi Ergun, Sarah H Ying, John E Desmond
OBJECTIVE: To demonstrate a correlation between anatomic regional changes in Spinocerebellar Ataxia type 6 (SCA6) patients and measures of cognitive performance on neuropsychological tests. METHODS: Neurocognitive testing was conducted on 24 SCA6 and 28 control subjects. For each cognitive test, SCA6 patients were compared against the controls using Student's t-test. For the cerebellar patients, using voxel based morphometry, correlations between cerebellar gray matter volume at each voxel and performance on the neuropsychological exams were calculated using the Pearson correlation coefficient implemented in SPM8...
October 31, 2017: Neuropsychologia
https://www.readbyqxmd.com/read/29098983/what-domains-of-clinical-function-should-be-assessed-after-sport-related-concussion-a-systematic-review
#19
REVIEW
Nina Feddermann-Demont, Ruben J Echemendia, Kathryn J Schneider, Gary S Solomon, K Alix Hayden, Michael Turner, Jiří Dvořák, Dominik Straumann, Alexander A Tarnutzer
BACKGROUND: Sport-related concussion (SRC) is a clinical diagnosis made after a sport-related head trauma. Inconsistency exists regarding appropriate methods for assessing SRC, which focus largely on symptom-scores, neurocognitive functioning and postural stability. DESIGN: Systematic literature review. DATA SOURCES: MEDLINE, EMBASE, PsycINFO, Cochrane-DSR, Cochrane CRCT, CINAHL, SPORTDiscus (accessed July 9, 2016). ELIGIBILITY CRITERIA FOR SELECTING STUDIES: Original (prospective) studies reporting on postinjury assessment in a clinical setting and evaluation of diagnostic tools within 2 weeks after an SRC...
June 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/29098645/neurocognitive-graphs-of-first-episode-schizophrenia-and-major-depression-based-on-cognitive-features
#20
Sugai Liang, Roberto Vega, Xiangzhen Kong, Wei Deng, Qiang Wang, Xiaohong Ma, Mingli Li, Xun Hu, Andrew J Greenshaw, Russell Greiner, Tao Li
Neurocognitive deficits are frequently observed in patients with schizophrenia and major depressive disorder (MDD). The relations between cognitive features may be represented by neurocognitive graphs based on cognitive features, modeled as Gaussian Markov random fields. However, it is unclear whether it is possible to differentiate between phenotypic patterns associated with the differential diagnosis of schizophrenia and depression using this neurocognitive graph approach. In this study, we enrolled 215 first-episode patients with schizophrenia (FES), 125 with MDD, and 237 demographically-matched healthy controls (HCs)...
November 2, 2017: Neuroscience Bulletin
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