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https://www.readbyqxmd.com/read/29149767/the-effects-of-sleep-on-the-neural-correlates-of-pattern-separation
#1
Christopher R Doxey, Cooper Hodges, Ty Bodily, Nathan M Muncy, C Brock Kirwan
Effective memory representations must be specific to prevent interference between episodes that may overlap in terms of place, time, or items present. Pattern separation, a computational process performed by the hippocampus, overcomes this interference by establishing non-overlapping memory representations. Although it is widely accepted that declarative memories are consolidated during sleep, the effects of sleep on pattern separation have yet to be elucidated. We used whole-brain, high-resolution functional neuroimaging to investigate the effects of sleep on a task that places high demands on pattern separation...
November 17, 2017: Hippocampus
https://www.readbyqxmd.com/read/29149632/brain-structural-differences-between-73-and-92-year-olds-matched-for-childhood-intelligence-social-background-and-intracranial-volume
#2
Stuart J Ritchie, David Alexander Dickie, Simon R Cox, Maria Del C Valdés Hernández, Ruth Sibbett, Alison Pattie, Devasuda Anblagan, Paul Redmond, Natalie A Royle, Janie Corley, Susana Muñoz Maniega, Adele M Taylor, Sherif Karama, Tom Booth, Alan J Gow, John M Starr, Mark E Bastin, Joanna M Wardlaw, Ian J Deary
Fully characterizing age differences in the brain is a key task for combating aging-related cognitive decline. Using propensity score matching on 2 independent, narrow-age cohorts, we used data on childhood cognitive ability, socioeconomic background, and intracranial volume to match participants at mean age of 92 years (n = 42) to very similar participants at mean age of 73 years (n = 126). Examining a variety of global and regional structural neuroimaging variables, there were large differences in gray and white matter volumes, cortical surface area, cortical thickness, and white matter hyperintensity volume and spatial extent...
October 16, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/29149383/diffusion-mri-in-pediatric-brain-injury
#3
Emily L Dennis, Talin Babikian, Christopher C Giza, Paul M Thompson, Robert F Asarnow
Traumatic brain injury (TBI) is a major public health issue around the world and can be especially devastating in children as TBI can derail cognitive and social development. White matter (WM) is particularly vulnerable to disruption post-TBI, as myelination is ongoing during this period. Diffusion magnetic resonance imaging (dMRI) is a versatile modality for identifying and quantifying WM disruption and can detect diffuse axonal injury (DAI or TAI (traumatic axonal injury)). This review covers dMRI studies of pediatric TBI, including mild to severe injuries, and covering all periods post-injury...
October 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/29149177/new-brain-lesions-with-no-impact-on-physical-disability-can-impact-cognition-in-early-multiple-sclerosis-a-ten-year-longitudinal-study
#4
D Wybrecht, F Reuter, F Pariollaud, W Zaaraoui, A Le Troter, A Rico, S Confort-Gouny, E Soulier, M Guye, A Maarouf, J-P Ranjeva, J Pelletier, B Audoin
OBJECTIVE: In early multiple sclerosis, although brain T2 lesions accrual are hallmark of the disease, only weak correlations were found between T2 lesions accrual and EDSS progression, the disability scale commonly used in multiple sclerosis studies. This may be related to the very poor sensitivity of EDSS to cognitive dysfunctions that may occur and progress from the first stage of the disease. In the present study, we aimed to demonstrate that cognitive deficits progress during the first ten years of MS and are significantly impacted by new T2 lesions...
2017: PloS One
https://www.readbyqxmd.com/read/29149118/perceived-self-efficacy-a-concept-analysis-for-symptom-management-in-patients-with-cancer%C3%A2
#5
Lynn L White, Marlene Z Cohen, Ann M Berger, Kevin A Kupzyk, Barbara A Swore-Fletcher, Philip J Bierman
BACKGROUND: Perceived self-efficacy (PSE) for symptom management plays a key role in outcomes for patients with cancer, such as quality of life, functional status, symptom distress, and healthcare use. Definition of the concept is necessary for use in research and to guide the development of interventions to facilitate PSE for symptom management in patients with cancer.
. OBJECTIVES: This analysis will describe the concept of PSE for symptom management in patients with cancer...
December 1, 2017: Clinical Journal of Oncology Nursing
https://www.readbyqxmd.com/read/29149110/-does-omega-3-supplementation-after-the-age-of-65-influence-cognitive-function-results-of-a-systematic-review
#6
REVIEW
J Baleztena, M Arana, M Bes-Rastrollo, M C Castellanos, M J Gozalo, M Ruiz-Canela
BACKGROUND: The percentage of the older population is progressively increasing as are diseases associated with aging such as cognitive decline (CD) and dementia. Observational epidemiological studies suggest that diets rich in omega 3 polyunsaturated fatty acids (w3-PUFA) might reduce the risk of CD and dementia. The main objective was to assess whether there is sufficient scientific evidence about the relationship between w3-PUFA supplementation in patients aged 65 or older and cognitive performance...
November 17, 2017: Anales del Sistema Sanitario de Navarra
https://www.readbyqxmd.com/read/29149064/who-participates-in-the-great-shakeout-why-audience-segmentation-is-the-future-of-disaster-preparedness-campaigns
#7
Rachel M Adams, Beth Karlin, David P Eisenman, Johanna Blakley, Deborah Glik
Background: In 2008, the Southern California Earthquake Center in collaboration with the U.S. Geological Survey Earthquake Hazards Program launched the first annual Great ShakeOut, the largest earthquake preparedness drill in the history of the United States. Materials and Methods: We collected online survey data from 2052 campaign registrants to assess how people participated, whether audience segments shared behavioral patterns, and whether these segments were associated with five social cognitive factors targeted by the ShakeOut campaign...
November 17, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29148336/predictors-of-medication-adherence-in-the-elderly-the-role-of-mental-health
#8
Jo E Rodgers, Emily M Thudium, Hadi Beyhaghi, Carla A Sueta, Khalid A Alburikan, Anna M Kucharska-Newton, Patricia P Chang, Sally C Stearns
The aging population routinely has comorbid conditions requiring complicated medication regimens, yet nonadherence can preclude optimal outcomes. This study explored the association of adherence in the elderly with demographic, socioeconomic, and disease burden measures. Data were from the fifth visit (2011-2013) for 6,538 participants in the Atherosclerosis Risk in Communities Study, conducted in four communities. The Morisky-Green-Levine Scale measured self-reported adherence. Forty percent of respondents indicated some nonadherence, primarily due to poor memory...
March 1, 2017: Medical Care Research and Review: MCRR
https://www.readbyqxmd.com/read/29147565/operating-room-central-serous-chorioretinopathy
#9
Ahmad M Mansour, Rola Hamam
Objectives: The operating room is a place of surgical intervention with its accompanying bodily and cognitive strain on the performers. Stress in the operating room may lead to the onset of central serous chorioretinopathy as reported hereby in a retina surgeon and is labeled as operating room central serous chorioretinopathy. Methods: The same operator performed the optical coherence tomography scans on one retina surgeon. A masked observer estimated the maximal height of the subretinal fluid...
2017: SAGE open medical case reports
https://www.readbyqxmd.com/read/29147036/measuring-arithmetic-a-psychometric-approach-to-understanding-formatting-effects-and-domain-specificity
#10
Katherine T Rhodes, Lee Branum-Martin, Julie A Washington, Lynn S Fuchs
Using multitrait, multimethod data, and confirmatory factor analysis, the current study examined the effects of arithmetic item formatting and the possibility that across formats, abilities other than arithmetic may contribute to children's answers. Measurement hypotheses were guided by several leading theories of arithmetic cognition. With a sample of 1314 3rd grade students (age M=103.24 months, SD=5.41 months), Abstract Code Theory, Encoding Complex Theory, Triple Code Theory, and the Exact versus Approximate Calculations Hypothesis were evaluated, using 11 measures of arithmetic with symbolic problem formats (e...
October 2017: Journal of Educational Psychology
https://www.readbyqxmd.com/read/29146648/economic-evaluation-of-an-e-mental-health-intervention-for-patients-with-retinal-exudative-diseases-who-receive-intraocular-anti-vegf-injections-e-pseye-protocol-for-a-randomised-controlled-trial
#11
Hilde P A van der Aa, Ger H M B van Rens, Frank D Verbraak, Machteld Bosscha, Marc A Koopmanschap, Hannie C Comijs, Pim Cuijpers, Ruth M A van Nispen
INTRODUCTION: Because of the great potential of vascular endothelial growth factor inhibitors (anti-VEGF) for retinal exudative diseases, an increased number of patients receives this treatment. However, during this treatment, patients are subjected to frequent invasive intravitreal injections, and the effects on reversing the process of vision loss are uncertain, which may have negative consequences for patients' mental health. One in three patients experience at least mild symptoms of depression/anxiety...
November 15, 2017: BMJ Open
https://www.readbyqxmd.com/read/29146299/functional-connectivity-during-affective-mentalizing-in-criminal-offenders-with-psychotic-disorders-associations-with-clinical-symptoms
#12
Carla L Harenski, Vince D Calhoun, Juan R Bustillo, Brian W Haas, Jean Decety, Keith A Harenski, Michael F Caldwell, Gregory J Van Rybroek, Michael Koenigs, David M Thornton, Kent A Kiehl
Psychotic disorders are associated with neurobehavioral impairments in mental state attribution (mentalizing). These impairments are most severe in psychotic patients with elevated symptom levels, particularly negative and cognitive symptoms. There have been few studies of functional connectivity related to mentalizing in psychotic disorders and associations with symptoms. We conducted a functional MRI study of affective mentalizing in individuals with psychotic disorders and varying symptom levels (positive, negative, cognitive)...
November 6, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/29146224/joint-trajectories-of-cognition-and-frailty-and-associated-burden-of-patient-reported-outcomes
#13
Zuyun Liu, Ling Han, Evelyne A Gahbauer, Heather G Allore, Thomas M Gill
OBJECTIVES: To evaluate joint trajectories of cognition and frailty and their association with the cumulative burden of patient-reported outcomes, including hospitalization, nursing home admission, and disability. DESIGN: Longitudinal study of 754 community-living persons aged 70 or older. PARTICIPANTS: 690 participants who had a baseline and at least one follow-up assessment of cognition and frailty between 1998 and 2009. MEASUREMENTS: Cognition was assessed using the Mini-Mental State Examination (MMSE)...
November 14, 2017: Journal of the American Medical Directors Association
https://www.readbyqxmd.com/read/29146193/detection-of-relationships-among-multi-modal-brain-imaging-meta-features-via-information-flow
#14
Robyn L Miller, Victor M Vergara, Vince D Calhoun
BACKGROUND: Neuroscientists and clinical researchers are awash in data from an ever-growing number of imaging and other bio-behavioral modalities. This flow of brain imaging data, taken under resting and various task conditions, combines with available cognitive measures, behavioral information, genetic data plus other potentially salient biomedical and environmental information to create a rich but diffuse data landscape. The conditions being studied with brain imaging data are often extremely complex and it is common for researchers to employ more than one imaging, behavioral or biological data modality (e...
November 13, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/29145914/development-and-initial-validation-of-the-retrospective-indigenous-childhood-enrichment-scale-rice
#15
Cecilia Minogue, Kim Delbaere, Kylie Radford, Tony Broe, Wendy Sue Forder, Suncica Lah
BACKGROUND: Years of education is the most commonly used proxy measure of cognitive reserve. Other forms of cognitive stimulation in childhood may provide similar protection against cognitive decline, particularly in Indigenous groups, where education may have been lacking in quality or quantity. The Retrospective Indigenous Childhood Enrichment (RICE) scale was developed to measure non-school-based activities and environmental stimulation during childhood that are likely to have enhanced cognitive reserve...
November 17, 2017: International Psychogeriatrics
https://www.readbyqxmd.com/read/29145913/goal-setting-deficits-at-13-years-in-very-preterm-born-children
#16
Kristina M Haebich, Catherine Willmott, Rachel Ellis, Alice C Burnett, Shannon E Scratch, Leona Pascoe, Megan M Spencer-Smith, Jeanie L Y Cheong, Terrie E Inder, Lex W Doyle, Deanne K Thompson, Peter J Anderson
OBJECTIVES: Preterm children demonstrate deficits in executive functions including inhibition, working memory, and cognitive flexibility; however, their goal setting abilities (planning, organization, strategic reasoning) remain unclear. This study compared goal setting abilities between very preterm (VP: <30 weeks/<1250 grams) and term born controls during late childhood. Additionally, early risk factors (neonatal brain abnormalities, medical complications, and sex) were examined in relationship to goal setting outcomes within the VP group...
November 17, 2017: Journal of the International Neuropsychological Society: JINS
https://www.readbyqxmd.com/read/29145754/cortical-and-subcortical-brain-morphometry-differences-between-patients-with-autism-spectrum-disorder-and-healthy-individuals-across-the-lifespan-results-from-the-enigma-asd-working-group
#17
Daan van Rooij, Evdokia Anagnostou, Celso Arango, Guillaume Auzias, Marlene Behrmann, Geraldo F Busatto, Sara Calderoni, Eileen Daly, Christine Deruelle, Adriana Di Martino, Ilan Dinstein, Fabio Luis Souza Duran, Sarah Durston, Christine Ecker, Damien Fair, Jennifer Fedor, Jackie Fitzgerald, Christine M Freitag, Louise Gallagher, Ilaria Gori, Shlomi Haar, Liesbeth Hoekstra, Neda Jahanshad, Maria Jalbrzikowski, Joost Janssen, Jason Lerch, Beatriz Luna, Mauricio Moller Martinho, Jane McGrath, Filippo Muratori, Clodagh M Murphy, Declan G M Murphy, Kirsten O'Hearn, Bob Oranje, Mara Parellada, Alessandra Retico, Pedro Rossa, Katya Rubia, Devon Shook, Margot Taylor, Paul M Thompson, Michela Tosetti, Gregory L Wallace, Fengfeng Zhou, Jan K Buitelaar
OBJECTIVE: Neuroimaging studies show structural differences in both cortical and subcortical brain regions in children and adults with autism spectrum disorder (ASD) compared with healthy subjects. Findings are inconsistent, however, and it is unclear how differences develop across the lifespan. The authors investigated brain morphometry differences between individuals with ASD and healthy subjects, cross-sectionally across the lifespan, in a large multinational sample from the Enhancing Neuroimaging Genetics Through Meta-Analysis (ENIGMA) ASD working group...
November 17, 2017: American Journal of Psychiatry
https://www.readbyqxmd.com/read/29145428/abnormal-brain-white-matter-microstructure-is-associated-with-both-pre-hypertension-and-hypertension
#18
Hideaki Suzuki, He Gao, Wenjia Bai, Evangelos Evangelou, Ben Glocker, Declan P O'Regan, Paul Elliott, Paul M Matthews
OBJECTIVES: To characterize effects of chronically elevated blood pressure on the brain, we tested for brain white matter microstructural differences associated with normotension, pre-hypertension and hypertension in recently available brain magnetic resonance imaging data from 4659 participants without known neurological or psychiatric disease (62.3±7.4 yrs, 47.0% male) in UK Biobank. METHODS: For assessment of white matter microstructure, we used measures derived from neurite orientation dispersion and density imaging (NODDI) including the intracellular volume fraction (an estimate of neurite density) and isotropic volume fraction (an index of the relative extra-cellular water diffusion)...
2017: PloS One
https://www.readbyqxmd.com/read/29145410/the-influence-of-computer-based-cognitive-flexibility-training-on-subjective-cognitive-well-being-after-stroke-a-multi-center-randomized-controlled-trial
#19
Renate M van de Ven, Jaap M J Murre, Jessika I V Buitenweg, Dick J Veltman, Justine A Aaronson, Tanja C W Nijboer, Suzanne J C Kruiper-Doesborgh, Coen A M van Bennekom, K Richard Ridderinkhof, Ben Schmand
BACKGROUND: Stroke can result in cognitive complaints that can have a large impact on quality of life long after its occurrence. A number of computer-based training programs have been developed with the aim to improve cognitive functioning. Most studies investigating their efficacy used only objective outcome measures, whereas a reduction of subjective cognitive complaints may be equally important for improving quality of life. A few studies used subjective outcome measures but were inconclusive, partly due to methodological shortcomings such as lack of proper active and passive control groups...
2017: PloS One
https://www.readbyqxmd.com/read/29144995/content-analysis-of-homeless-smokers-perspectives-on-established-and-alternative-smoking-interventions
#20
Susan E Collins, Victoria E Orfaly, Teresa Wu, Sunny Chang, Robert V Hardy, Amia Nash, Matthew B Jones, Leslie Mares, Emily M Taylor, Lonnie A Nelson, Seema L Clifasefi
BACKGROUND: Cigarette smoking is 5 times more prevalent among homeless individuals than in the general population, and homeless individuals are disproportionately affected by smoking-related morbidity and mortality. Homeless smokers report interest in changing their smoking behavior; however, established smoking cessation interventions are neither desirable to nor highly effective for most members of this population. The aim of this study was to document homeless smokers' perceptions of established smoking interventions as well as self-generated, alternative smoking interventions to elucidate points for intervention enhancement...
November 13, 2017: International Journal on Drug Policy
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