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https://www.readbyqxmd.com/read/28550264/depressive-symptoms-are-associated-with-progression-to-dementia-in-patients-with-amyloid-positive-mild-cognitive-impairment
#1
Byungseung Moon, Seongheon Kim, Young Ho Park, Jae-Sung Lim, Young Chul Youn, Sang Yun Kim, Jae-Won Jang
BACKGROUND: Depressive symptoms are prevalent in patients with mild cognitive impairment (MCI) and are considered to be a risk factor for progression to dementia. OBJECTIVE: The purpose of this study was to evaluate whether depressive symptoms in MCI promote disease progression in a manner related to amyloid status, and to determine the relationship between depressive symptoms and longitudinal cerebral structural changes. METHODS: Baseline data for 336 patients with MCI (75 with depression and 261 without) from the Alzheimer's Disease Neuroimaging Initiative study were analyzed...
May 26, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28548544/neuropsychological-impairment-in-hashimoto-s-encephalopathy-a-case-report-and-literature-review
#2
Liorah Sabbah-Talasazan, Irene Piryatinsky
Hashimoto's encephalopathy (HE) is a rare neurological syndrome characterized by the presence of positive serum antithyroid antibodies, altered mental status, and clinical response to glucocorticoid therapy. Although HE has been documented in the literature from a medical standpoint, reports on the neuropsychological presentation of this syndrome are scarce. This article presents a literature review of cognitive deficits reported in HE cases. In addition, we describe the case of a 76-year-old Russian speaking woman diagnosed with HE in May 2012...
May 26, 2017: Applied Neuropsychology. Adult
https://www.readbyqxmd.com/read/28548298/total-cerebral-small-vessel-disease-score-and-cognitive-performance-in-community-dwelling-older-adults-results-from-the-atahualpa-project
#3
Victor J Del Brutto, Jorge G Ortiz, Oscar H Del Brutto, Robertino M Mera, Mauricio Zambrano, José Biller
OBJECTIVE: Cerebral small vessel disease (SVD) is inversely associated with cognitive performance. However, whether the total SVD score is a better predictor of poor cognitive performance than individual signatures of SVD is inconclusive. We aimed to estimate the combined and independent predictive power of these MRI findings. METHODS: Atahualpa residents aged ≥60 years underwent brain MRI. Cognitive performance was measured by the Montreal Cognitive Assessment (MoCA)...
May 26, 2017: International Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/28542726/the-association-between-psychotic-experiences-and-disability-results-from-the-who-world-mental-health-surveys
#4
F Navarro-Mateu, J Alonso, C C W Lim, S Saha, S Aguilar-Gaxiola, A Al-Hamzawi, L H Andrade, E J Bromet, R Bruffaerts, S Chatterji, L Degenhardt, G de Girolamo, P de Jonge, J Fayyad, S Florescu, O Gureje, J M Haro, C Hu, E G Karam, V Kovess-Masfety, S Lee, M E Medina-Mora, A Ojagbemi, B-E Pennell, M Piazza, J Posada-Villa, K M Scott, J C Stagnaro, M Xavier, K S Kendler, R C Kessler, J J McGrath
OBJECTIVE: While psychotic experiences (PEs) are known to be associated with a range of mental and general medical disorders, little is known about the association between PEs and measures of disability. We aimed to investigate this question using the World Mental Health surveys. METHOD: Lifetime occurrences of six types of PEs were assessed along with 21 mental disorders and 14 general medical conditions. Disability was assessed with a modified version of the WHO Disability Assessment Schedule...
May 25, 2017: Acta Psychiatrica Scandinavica
https://www.readbyqxmd.com/read/28542444/regional-brain-amyloid-%C3%AE-accumulation-associates-with-domain-specific-cognitive-performance-in-parkinson-disease-without-dementia
#5
Rizwan S Akhtar, Sharon X Xie, Yin J Chen, Jacqueline Rick, Rachel G Gross, Ilya M Nasrallah, Vivianna M Van Deerlin, John Q Trojanowski, Alice S Chen-Plotkin, Howard I Hurtig, Andrew D Siderowf, Jacob G Dubroff, Daniel Weintraub
Parkinson disease patients develop clinically significant cognitive impairment at variable times over their disease course, which is often preceded by milder deficits in memory, visuo-spatial, and executive domains. The significance of amyloid-β accumulation to these problems is unclear. We hypothesized that amyloid-β PET imaging by 18F-florbetapir, a radiotracer that detects fibrillar amyloid-β plaque deposits, would identify subjects with global cognitive impairment or poor performance in individual cognitive domains in non-demented Parkinson disease patients...
2017: PloS One
https://www.readbyqxmd.com/read/28542392/acute-exercise-does-not-modify-brain-activity-and-memory-performance-in-app-ps1-mice
#6
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/28542181/the-varieties-of-contemplative-experience-a-mixed-methods-study-of-meditation-related-challenges-in-western-buddhists
#7
Jared R Lindahl, Nathan E Fisher, David J Cooper, Rochelle K Rosen, Willoughby B Britton
Buddhist-derived meditation practices are currently being employed as a popular form of health promotion. While meditation programs draw inspiration from Buddhist textual sources for the benefits of meditation, these sources also acknowledge a wide range of other effects beyond health-related outcomes. The Varieties of Contemplative Experience study investigates meditation-related experiences that are typically underreported, particularly experiences that are described as challenging, difficult, distressing, functionally impairing, and/or requiring additional support...
2017: PloS One
https://www.readbyqxmd.com/read/28541236/attention-deficit-hyperactivity-disorder-adhd-symptoms-and-cognitive-skills-of-preschool-children
#8
L Thomaidis, A Choleva, M Janikian, G Bertou, A Tsitsika, G Giannakopoulos, D C Anagnostopoulos
Attention deficit/hyperactivity disorder (ADHD) constitutes a neurobehavioral disorder which may potentially adversely affect children's wellbeing and academic achievement. The onset of symptoms is present prior to 12 years of age, and often the symptoms are evident in the preschool years. In fact, it has been suggested that screening for ADHD symptoms may be initiated as early as four years of age. Preschool children with ADHD have been shown to present with poor pre-academic skills and might be at increased risk for numerous school-related problems, including functional impairment during elementary school years and persistent poor academic performance thereafter...
January 2017: Psychiatrikē, Psychiatriki
https://www.readbyqxmd.com/read/28541062/antisocial-and-human-capital-pathways-to-socioeconomic-exclusion-a-42-year-prospective-study
#9
Jukka Savolainen, W Alex Mason, Anna-Liisa Lyyra, Lea Pulkkinen, Katja Kokko
Nordic welfare states have been very successful at reducing poverty and inequality among their citizens. However, the presence of a strong social safety net in these countries has not solved the problem of socioeconomic exclusion, manifesting in such outcomes as chronic unemployment and welfare dependency. In an effort to understand this phenomenon, the current study builds on the assumption that psychological risk factors emerge as important determinants of socioeconomic disadvantage in an environment where ascribed characteristics have less impact on educational and occupational attainment...
May 25, 2017: Developmental Psychology
https://www.readbyqxmd.com/read/28540048/medication-self-management-skills-and-cognitive-impairment-in-older-adults-hospitalized-for-heart-failure-a-cross-sectional-study
#10
Erik H Howell, Alpana Senapati, Eileen Hsich, Eiran Z Gorodeski
BACKGROUND: Cognitive impairment is highly prevalent among older adults (aged ≥65 years) hospitalized for heart failure and has been associated with poor outcomes. Poor medication self-management skills have been associated with poor outcomes in this population as well. The presence and extent of an association between cognitive impairment and poor medication self-management skills in this population has not been clearly defined. OBJECTIVE: We assessed the cognition of consecutive older adults hospitalized for heart failure, in relation to their medication self-management skills...
2017: SAGE Open Medicine
https://www.readbyqxmd.com/read/28539995/the-effect-of-luteinizing-hormone-reducing-agent-on-anxiety-and-novel-object-recognition-memory-in-gonadectomized-rats
#11
Paria Arfa-Fatollahkhani, Arezo Nahavandi, Hossein Abtahi, Shabnam Anjidani, Sahar Borhani, Seyed Behnam Jameie, Mohammad Shabani, Saeed Mehrzadi, Ali Shahbazi
INTRODUCTION: Mood disorders such as anxiety and depression are common following menopause and andropause. Lack of sex steroid hormones is suggested as the primary cause of these disturbances. The level of luteinizing hormone (LH) would also rise 3-4 times than normal in these people. The potential effects of LH on mood and cognitive symptoms following menopause and andropause are still unknown. This study aimed to investigate the effect of increased LH on novel object discrimination (NOD) memory and anxiety like behavior in gonadectomized rats...
March 2017: Basic and Clinical Neuroscience
https://www.readbyqxmd.com/read/28539636/effect-of-kidney-dysfunction-on-cerebral-cortical-thinning-in-elderly-population
#12
Chih-Hao Chen, Ya-Fang Chen, Ming-Jang Chiu, Ta-Fu Chen, Ping-Huan Tsai, Jen-Hau Chen, Chung-Jen Yen, Sung-Chun Tang, Shin-Joe Yeh, Yen-Ching Chen
Chronic kidney disease has been linked to cognitive impairment and morphological brain change. However, less is known about the impact of kidney functions on cerebral cortical thickness. This study investigated the relationship between kidney functions and global or lobar cerebral cortical thickness (CTh) in 259 non-demented elderly persons. Forty-three participants (16.7%) had kidney dysfunction, which was defined as either a glomerular filtration rate (GFR) of <60 ml/min/1.73 m(2) or presence of proteinuria...
May 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28538830/subjective-memory-complaints-and-their-relation-with-verbal-fluency-in-active-older-people
#13
Flavia Rodrigues Bernardes, Camila Kretzer Machado, Monique Coan Souza, Marcos José Machado, Aline Megumi Arakawa Belaunde
Purpose: To verify subjective memory complaints and their relation to verbal fluency in older people participating in community groups. Methods: An epidemiological quantitative study performed in community groups for older people in Florianópolis, state of Santa Catarina, Brazil. Data were collected by structured interview using the Memory Complaint Questionnaire (MAC-Q) and the Verbal Fluency Test (VFT) by semantic categories "animals/minute". For an inferential descriptive analysis, data with p < 5% were considered...
May 22, 2017: CoDAS
https://www.readbyqxmd.com/read/28538088/effects-of-the-insulin-sensitizer-metformin-in-alzheimer-disease-pilot-data-from-a-randomized-placebo-controlled-crossover-study
#14
Aaron M Koenig, Dawn Mechanic-Hamilton, Sharon X Xie, Martha F Combs, Anne R Cappola, Long Xie, John A Detre, David A Wolk, Steven E Arnold
Epidemiological studies have identified a robust association between type II diabetes mellitus and Alzheimer disease (AD), and neurobiological studies have suggested the presence of central nervous system insulin resistance in individuals with AD. Given this association, we hypothesized that the central nervous system-penetrant insulin-sensitizing medication metformin would be beneficial as a disease-modifying and/or symptomatic therapy for AD, and conducted a placebo-controlled crossover study of its effects on cerebrospinal fluid (CSF), neuroimaging, and cognitive biomarkers...
April 2017: Alzheimer Disease and Associated Disorders
https://www.readbyqxmd.com/read/28536966/a-comprehensive-review-of-the-bioenergetics-of-fatty-acid-and-glucose-metabolism-in-the-healthy-and-failing-heart-in-nondiabetic-condition
#15
REVIEW
Ashish Gupta, Brian Houston
The function of the heart is defined by its ability to deliver adequate cardiac output to meet the requirements of the body both at rest and with exertion. To fill this role, the heart demonstrates an impressive capacity to tightly regulate energy generation and consumption. Energy production and transfer within cardiac myocytes primarily relies on the process of oxidative phosphorylation. In the failing heart, there is an imbalance between the work of the cardiac system and the energy required to generate this work...
May 24, 2017: Heart Failure Reviews
https://www.readbyqxmd.com/read/28535981/protective-effect-of-remote-limb-post-conditioning-via-upregulation-of-heme-oxygenase-1-bdnf-pathway-in-rat-model-of-cerebral-ischemic-reperfusion-injury
#16
Sruthi Ramagiri, Rajeev Taliyan
AIM: Remote ischemic Post Conditioning (RIPOC) has shown to be neuroprotective against cerebral Ischemic Reperfusion (I/R) injury. However, the RIPOC protection against I/R injury induced cognitive abnormalities still remains elusive. Abundant evidence from earlier studies highlighted the role of heme oxygenase-1 (HO-1) in neuronal survival in various neurodegenerative disorders. Thus, in the present study, we investigated the possible contribution of HO-1 in RIPOC mediated neuroprotection against cerebral I/R injury and associated cognitive deficits...
May 20, 2017: Brain Research
https://www.readbyqxmd.com/read/28535099/do-sideline-concussion-assessments-predict-subsequent-neurocognitive-impairment-after-sport-related-concussion
#17
Alicia Sufrinko, Jamie McAllister-Deitrick, Melissa Womble, Anthony Kontos
CONTEXT:   Comprehensive, multi-domain assessment is the standard of care after sport-related concussion. However, the relationship between performance on sideline concussion-assessment tools and in-office computerized neurocognitive testing has received little attention, and the prognostic utility of sideline measures is unknown. OBJECTIVE:   To evaluate concurrent impairment on commonly used concussion measures 24 to 48 hours postinjury while also determining the predictive utility of sideline measures on computerized neurocognitive testing in the acute to subacute recovery periods postinjury...
May 23, 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28534149/joint-effects-of-peer-presence-and-fatigue-on-risk-and-reward-processing-in-late-adolescence
#18
Karol Silva, Jamie Patrianakos, Jason Chein, Laurence Steinberg
Peers are thought to increase adolescents' risk-taking behavior, at least in part, by heightening their sensitivity to rewards. In this study, we investigate whether the effect of peers on late adolescent males is exacerbated when youth are cognitively fatigued, a state characterized by weakened cognitive control and heightened orientation toward rewards, and well established as a factor that compromises decision making. We hypothesized that fatigued adolescents' top-down regulation of reward-related impulses may be compromised, thereby potentially amplifying the effect of peers on reward- and risk-seeking behavior...
May 22, 2017: Journal of Youth and Adolescence
https://www.readbyqxmd.com/read/28533946/rethinking-social-cognition-in-light-of-psychosis-reciprocal-implications-for-cognition-and-psychopathology
#19
Vaughan Bell, Kathryn L Mills, Gemma Modinos, Sam Wilkinson
The positive symptoms of psychosis largely involve the experience of illusory social actors and yet our current measures of social cognition, at best, only weakly predict their presence. We review evidence to suggest that the range of current approaches in social cognition is not sufficient to explain the fundamentally social nature of these experiences. We argue that social agent representation is an important organising principle for understanding social cognition and that alterations in social agent representation may be a factor in the formation of delusions and hallucination in psychosis...
May 2017: Clinical Psychological Science
https://www.readbyqxmd.com/read/28533104/seasonal-influenza-vaccine-uptake-among-people-with-disabilities-a-nationwide-population-study-of-disparities-by-type-of-disability-and-socioeconomic-status-in-france
#20
Aurélie Bocquier, Lisa Fressard, Alain Paraponaris, Bérengère Davin, Pierre Verger
People with disabilities use various preventive health services less frequently than others, notably because of a lower socioeconomic status (SES). We examined variations of seasonal influenza vaccine uptake according to type/severity of disability and SES. We analyzed (in 2016) data from the 2008 French national cross-sectional survey on health and disability (n=12,396 adults living in the community and belonging to target groups for seasonal influenza vaccination). We defined seasonal influenza vaccine uptake during the 2007-2008 season by the self-reporting of a flu shot between September 2007 and March 2008...
May 19, 2017: Preventive Medicine
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