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https://www.readbyqxmd.com/read/28545006/cognitive-control-and-reward-loss-processing-in-internet-gaming-disorder-results-from-a-comparison-with-recreational-internet-game-users
#1
G Dong, H Li, L Wang, M N Potenza
Although playing of Internet games may lead to Internet gaming disorder (IGD), most game-users do not develop problems and only a relatively small subset experiences IGD. Game playing may have positive health associations, whereas IGD has been repeatedly associated with negative health measures, and it is thus important to understand differences between individuals with IGD, recreational (non-problematic) game use (RGU) and non-/low-frequency game use (NLFGU). Individuals with IGD have shown differences in neural activations from non-gamers, yet few studies have examined neural differences between individuals with IGD, RGU and NLFGU...
March 30, 2017: European Psychiatry: the Journal of the Association of European Psychiatrists
https://www.readbyqxmd.com/read/28544981/synthesis-and-in%C3%A2-vitro-evaluation-of-new-fluorinated-quinoline-derivatives-with-high-affinity-for-pde5-towards-the-development-of-new-pet-neuroimaging-probes
#2
Jianrong Liu, Aurélie Maisonial-Besset, Barbara Wenzel, Damien Canitrot, Ariane Baufond, Jean-Michel Chezal, Peter Brust, Emmanuel Moreau
The increasing incidence of Alzheimer's disease (AD) worldwide is a major public health problem. Current treatments provide only palliative solutions with significant side effects. Therefore, new efficient treatment options and novel early diagnosis tools are urgently needed. Recently, strong pre-clinical evidences suggested that phosphodiesterase 5 (PDE5) may be clinically relevant both as biomarker and drug-target in AD. In this study, we intended to develop a new radiofluorinated tracer for the visualisation of PDE5 in brain using PET imaging...
April 19, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28544076/challenges-in-measuring-individual-differences-in-functional-connectivity-using-fmri-the-case-of-healthy-aging
#3
Linda Geerligs, Kamen A Tsvetanov, Cam-Can, Richard N Henson
Many studies report individual differences in functional connectivity, such as those related to age. However, estimates of connectivity from fMRI are confounded by other factors, such as vascular health, head motion and changes in the location of functional regions. Here, we investigate the impact of these confounds, and pre-processing strategies that can mitigate them, using data from the Cambridge Centre for Ageing & Neuroscience (www.cam-can.com). This dataset contained two sessions of resting-state fMRI from 214 adults aged 18-88...
May 23, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28544024/contribution-of-perceived-cognitive-functioning-to-quality-of-life-in-service-members-and-veterans-with-posttraumatic-stress-disorder
#4
Noah D Silverberg, Magdalena Wojtowicz, Eric Bui, Rebecca Wershba, Ross Zafonte, Lauren M Laifer, Naomi M Simon, Grant L Iverson
Perceived cognitive impairment is a core clinical feature of posttraumatic stress disorder (PTSD) and may be an important determinant of quality of life (QOL) in those who suffer from this disorder. Using a clinical data repository, we evaluated this hypothesis in a cross-sectional sample of U.S. military service members and veterans who served after September 11, 2001, and were seeking mental health treatment at a tertiary outpatient clinic. A consecutive series of 117 patients with a clinical diagnosis of PTSD completed a battery of questionnaires at intake, including the PTSD Checklist (Weathers, Litz, Herman, Huska, & Keane, 1993), a 4-item Cognitive Symptom subscale of the Neurobehavioral Symptom Inventory (Cicerone & Kalmar, 1995), the Depression Anxiety Stress Scale-21 (Lovibond & Lovibond, 1995), and the Quality of Life Enjoyment and Satisfaction Questionnaire (Endicott, Nee, Harrison, & Blumenthal, 1993)...
May 19, 2017: Journal of Traumatic Stress
https://www.readbyqxmd.com/read/28542392/acute-exercise-does-not-modify-brain-activity-and-memory-performance-in-app-ps1-mice
#5
Angelica Miki Stein, Victor Munive, Ana M Fernandez, Angel Nuñez, Ignacio Torres Aleman
Age is the main risk factor for Alzheimer´s disease (AD). With an increasingly aging population, development of affordable screening techniques to determine cognitive status will help identify population-at-risk for further follow-up. Because physical exercise is known to modulate cognitive performance, we used it as a functional test of cognitive health. Mice were submitted to treadmill running at moderate speed for 30 min, and their brain activity was monitored before and after exercise using electrocorticogram (ECG) recordings...
2017: PloS One
https://www.readbyqxmd.com/read/28542226/german-validation-of-quality-of-life-after-brain-injury-qolibri-assessment-and-associated-factors
#6
Nicole von Steinbüchel, Ruben G L Real, Nadine Sasse, Lindsay Wilson, Christiane Otto, Ryan Mullins, Robert Behr, Wolfgang Deinsberger, Ramon Martinez-Olivera, Wolfgang Puschendorf, Werner Petereit, Veit Rohde, Holger Schmidt, Stephan Sehmisch, Klaus Michael Stürmer, Klaus von Wild, Henning Gibbons
The consequences of traumatic brain injury (TBI) for health-related quality of life (HRQoL) are still poorly understood, and no TBI-specific instrument has hitherto been available. This paper describes in detail the psychometrics and validity of the German version of an internationally developed, self-rated HRQoL tool after TBI-the QOLIBRI (Quality of Life after Brain Injury). Factors associated with HRQoL, such as the impact of cognitive status and awareness, are specifically reported. One-hundred seventy-two participants after TBI were recruited from the records of acute clinics, most of whom having a Glasgow Coma Scale (GCS) 24-hour worst score and a Glasgow Outcome Scale (GOSE) score...
2017: PloS One
https://www.readbyqxmd.com/read/28541903/alzheimer-s-disease-classification-based-on-individual-hierarchical-networks-constructed-with-3d-texture-features
#7
Jin Liu, Jianxin Wang, Bin Hu, Fang-Xiang Wu, Yi Pan
Brain network plays an important role in representing abnormalities in Alzheimers disease (AD) and mild cognitive impairment (MCI), which includes MCIc (MCI converted to AD) and MCInc (MCI not converted to AD). In our previous study, we proposed an AD classification approach based on individual hierarchical networks constructed with 3D texture features of brain images. However, we only used edge features of the networks without node features of the networks. In this study, we propose a framework of the combination of multiple kernels to combine edge features and node features for AD classification...
May 23, 2017: IEEE Transactions on Nanobioscience
https://www.readbyqxmd.com/read/28541557/live-or-let-die-fine-margins-between-life-and-death-in-a-brain-dead-pregnancy
#8
Rob Heywood
In PP v Health Service Executive, the Irish High Court was recently asked to decide on the lawfulness of maintaining somatic treatment that was being provided to a brain-dead woman who was 15-weeks pregnant. In delivering judgment, Kearns P held that the treatment should not be maintained and that the artificial support being provided to the woman could lawfully be withdrawn. The legal basis for this ruling, however, is not free from criticism. The focus of this discussion is to consider how an English court would deal with a case similar to this should the need ever arise...
May 24, 2017: Medical Law Review
https://www.readbyqxmd.com/read/28540201/cold-dialysis-and-its-impact-on-renal-patients-health-an-evidence-based-mini-review
#9
REVIEW
Giorgos K Sakkas, Argiro A Krase, Christoforos D Giannaki, Christina Karatzaferi
Chronic renal disease is associated with advanced age, diabetes, hypertension, obesity, musculoskeletal problems and cardiovascular disease, the latter being the main cause of mortality in patients receiving haemodialysis (HD). Cooled dialysate (35 °C-36 °C) is recently employed to reduce the incidence of intradialytic hypotension in patients on chronic HD. The studies to date that have evaluated cooled dialysate are limited, however, data suggest that cooled dialysate improves hemodynamic tolerability of dialysis, minimizes hypotension and exerts a protective effect over major organs including the heart and brain...
May 6, 2017: World Journal of Nephrology
https://www.readbyqxmd.com/read/28540042/factors-affecting-the-concussion-knowledge-of-athletes-parents-coaches-and-medical-professionals
#10
Michael D Cusimano, Stanley Zhang, Jane Topolovec-Vranic, Michael G Hutchison, Rowan Jing
OBJECTIVES: To determine the predictors of knowledge and awareness of concussion symptoms and outcomes through a survey of athletes, parents of players and coaches in sports settings in Canada. METHODS: A cross-sectional survey of athletic communities in Canada was conducted. Respondents' concussion knowledge score consists of responses to questions about the symptoms, diagnosis, and treatment of a concussion and the timing of return-to-sport post-concussion. The percentage of correct responses was defined as the "identification rate...
2017: SAGE Open Medicine
https://www.readbyqxmd.com/read/28539119/towards-the-concept-of-disease-modifier-in-post-stroke-or-vascular-cognitive-impairment-a-consensus-report
#11
Régis Bordet, Ralf Ihl, Amos D Korczyn, Giuseppe Lanza, Jelka Jansa, Robert Hoerr, Alla Guekht
BACKGROUND: Vascular cognitive impairment (VCI) is a complex spectrum encompassing post-stroke cognitive impairment (PSCI) and small vessel disease-related cognitive impairment. Despite the growing health, social, and economic burden of VCI, to date, no specific treatment is available, prompting the introduction of the concept of a disease modifier. CONSENSUS AND SUGGESTIONS: Within this clinical spectrum, VCI and PSCI remain advancing conditions as neurodegenerative diseases with progression of both vascular and degenerative lesions accounting for cognitive decline...
May 24, 2017: BMC Medicine
https://www.readbyqxmd.com/read/28539064/recent-advances-in-applying-mass-spectrometry-and-systems-biology-to-determine-brain-dynamics
#12
Enzo Scifo, Giulio Calza, Martin Fuhrmann, Rabah Soliymani, Marc Baumann, Maciej Lalowski
Neurological disorders encompass various pathologies which disrupt normal brain physiology and function. Poor understanding of their underlying molecular mechanisms and their societal burden argues for the necessity of novel prevention strategies, early diagnostic techniques and alternative treatment options to reduce the scale of their expected increase. Areas Covered: This review scrutinizes mass spectrometry based approaches used to investigate brain dynamics in various conditions, including neurodegenerative and neuropsychiatric disorders...
May 24, 2017: Expert Review of Proteomics
https://www.readbyqxmd.com/read/28537190/regular-exercise-boosts-brain-health-among-over-50s
#13
(no author information available yet)
A combination of aerobic and resistance exercise significantly boosts brain health in the over-50s, a study has found.
May 24, 2017: Nursing Standard
https://www.readbyqxmd.com/read/28537133/impact-of-the-educational-boost-your-brain-and-memory-program-among-senior-living-residents
#14
Roscoe Nicholson, Catherine O'Brien
This random assignment waitlist control intervention study examined an implementation of the educational Boost Your Brain and Memory cognitive fitness intervention in 12 senior living organizations. Older adult participants ( n = 166) completed measures of brain health knowledge, use of memory techniques, physical and intellectual activity, and mindfulness, at baseline and after the intervention group's completion of the course. Changes in knowledge scores and in self-reported physical and intellectual activity increased significantly more for intervention participants than for waitlist controls at the conclusion of the course...
January 1, 2017: International Journal of Aging & Human Development
https://www.readbyqxmd.com/read/28535822/social-determinants-of-traumatic-brain-injury-in-the-north-american-indigenous-population-a-review
#15
Kaitlin J Zeiler, Frederick A Zeiler
OBJECTIVE: Given the difficult to navigate literature on social determinants in Indigenous traumatic brain injury (TBI) we wished to identify all available literature on the social determinants of health linked to TBI in the North American Indigenous populations. METHODS: We performed a systematically conducted review. We searched MEDLINE, BIOSIS, EMBASE, Global Health, SCOPUS, and Cochrane Library from inception to January 2016. A two-step review process of the search results was performed, applying defined inclusion/exclusion criteria...
May 24, 2017: Canadian Journal of Neurological Sciences. le Journal Canadien des Sciences Neurologiques
https://www.readbyqxmd.com/read/28535583/molecular-testing-of-brain-tumor
#16
REVIEW
Sung-Hye Park, Jaekyung Won, Seong-Ik Kim, Yujin Lee, Chul-Kee Park, Seung-Ki Kim, Seung-Hong Choi
The World Health Organization (WHO) classification of central nervous system (CNS) tumors was revised in 2016 with a basis on the integrated diagnosis of molecular genetics. We herein provide the guidelines for using molecular genetic tests in routine pathological practice for an accurate diagnosis and appropriate management. While astrocytomas and IDH-mutant (secondary) glioblastomas are characterized by the mutational status of IDH, TP53 , and ATRX , oligodendrogliomas have a 1p/19q codeletion and mutations in IDH, CIC , FUBP1 , and the promoter region of telomerase reverse transcriptase ( TERTp )...
May 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/28535307/intergenerational-impact-of-paternal-lifetime-exposures-to-both-folic-acid-deficiency-and-supplementation-on-reproductive-outcomes-and-imprinted-gene-methylation
#17
Lundi Ly, Donovan Chan, Mahmoud Aarabi, Mylène Landry, Nathalie A Behan, Amanda J MacFarlane, Jacquetta Trasler
STUDY QUESTION: Do paternal exposures to folic acid deficient (FD), and/or folic acid supplemented (FS) diets, throughout germ cell development adversely affect male germ cells and consequently offspring health outcomes? SUMMARY ANSWER: Male mice exposed over their lifetimes to both FD and FS diets showed decreased sperm counts and altered imprinted gene methylation with evidence of transmission of adverse effects to the offspring, including increased postnatal-preweaning mortality and variability in imprinted gene methylation...
May 23, 2017: Molecular Human Reproduction
https://www.readbyqxmd.com/read/28534818/a-review-of-the-impact-of-maternal-obesity-on-the-cognitive-function-and-mental-health-of-the-offspring
#18
REVIEW
Laura Contu, Cheryl A Hawkes
Globally, more than 20% of women of reproductive age are currently estimated to be obese. Children born to obese mothers are at higher risk of developing obesity, coronary heart disease, diabetes, stroke, and asthma in adulthood. Increasing clinical and experimental evidence suggests that maternal obesity also affects the health and function of the offspring brain across the lifespan. This review summarizes the current findings from human and animal studies that detail the impact of maternal obesity on aspects of learning, memory, motivation, affective disorders, attention-deficit hyperactivity disorder, autism spectrum disorders, and neurodegeneration in the offspring...
May 19, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28534419/correlation-between-hypoxic-area-in-primary-brain-tumors-and-who-grade-differentiation-from-malignancy-using-18f-fluoromisonidazole-positron-emission-tomography
#19
Masafumi Kanoto, Kazukuni Kirii, Toshitada Hiraka, Yuuki Toyoguchi, Yukio Sugai, Kenichiro Matsuda, Kaori Sakurada, Yukihiko Sonoda, Jun Hatazawa, Takaaki Hosoya
Background 18F-fluoromisonidazole positron emission tomography (FMISO-PET) has been used for identification of hypoxic areas in tumors, and since hypoxia causes hypoxia-inducible factor-1 and enhancement of tumor growth, identifying the hypoxic area in the tumor tissue is important. Purpose To evaluate the usefulness of FMISO-PET in the grading of primary brain tumors. Material and Methods FMISO-PET was performed preoperatively on 41 consecutive patients with pathologically confirmed brain tumor. A neuroradiologist retrospectively measured both maximum standardized uptake value (SUVmax) and mean SUV (SUVmean) in the tumor and normal cerebellar parenchyma...
January 1, 2017: Acta Radiologica
https://www.readbyqxmd.com/read/28534153/health-related-quality-of-life-outcomes-from-cabaret-a-randomized-phase-2-trial-of-carboplatin-and-bevacizumab-in-recurrent-glioblastoma
#20
Kathryn M Field, Madeleine T King, John Simes, David Espinoza, Elizabeth H Barnes, Kate Sawkins, Mark A Rosenthal, Lawrence Cher, Elizabeth Hovey, Helen Wheeler, Anna K Nowak
In recurrent glioblastoma, health-related quality of life (HRQL) is a crucial trial endpoint. We examined HRQL outcomes as a secondary endpoint for patients in the CABARET randomized phase 2 trial. 122 patients were randomly allocated to bevacizumab monotherapy or bevacizumab plus carboplatin. We calculated change scores from baseline for each HRQL measure on the European Organisation for Research and Treatment of Cancer Quality of Life Questionnaire Core 30 (EORTC QLQ-C30) and the Brain Cancer Module (QLQ-BN20), together with time to deterioration in HRQL, and the proportion of participants with clinically meaningful improvements in specific disease-related symptoms...
May 22, 2017: Journal of Neuro-oncology
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