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https://www.readbyqxmd.com/read/28535408/differences-in-clinical-and-cognitive-variables-in-seasonal-affective-disorder-compared-to-depressive-related-disorders-evidence-from-a-population-based-study-in-finland
#1
I Morales-Muñoz, S Koskinen, T Partonen
BACKGROUND: Seasonal affective disorder (SAD) is a type of depression with seasonal pattern. Although it involves some idiosyncratic symptoms, it can overlap with other depressive disorders such as major depressive disorder (MDD) or dysthymia. We aimed to characterize the differences in specific cognitive and clinical symptoms between SAD and depressive-related disorders. METHODS: In total, 4554 Finnish subjects from the population-based Health 2011 Survey were interviewed with the Munich version of Composite International Diagnostic Interview (M-CIDI) and filled in the Seasonal Pattern Assessment Questionnaire (SPAQ)...
March 28, 2017: European Psychiatry: the Journal of the Association of European Psychiatrists
https://www.readbyqxmd.com/read/28535277/sensory-impairments-and-cognitive-function-in-middle-aged-adults
#2
Carla R Schubert, Karen J Cruickshanks, Mary E Fischer, Yanjun Chen, Barbara E K Klein, Ronald Klein, A Alex Pinto
Background: Hearing, visual, and olfactory impairments have been associated with cognitive impairment in older adults but less is known about associations with cognitive function in middle-aged adults. Methods: Sensory and cognitive functions were measured on participants in the baseline examination (2005-2008) of the Beaver Dam Offspring Study. Cognitive function was measured with the Trail Making tests A (TMTA) and B (TMTB) and the Grooved Peg Board test. Pure-tone audiometry, Pelli-Robson letter charts, and the San Diego Odor Identification test were used to measure hearing, contrast sensitivity, and olfaction, respectively...
May 23, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28535272/measures-of-financial-capacity-a-review
#3
Angela R Ghesquiere, Caitlin McAfee, Jason Burnett
Purpose of the Study: Capacity to manage finances and make financial decisions can affect risk for financial exploitation and is often the basis for legal determinations of conservatorship/guardianship. Several structured assessments of financial capacity have been developed, but have not been compared regarding their focus, validity, or reliability. Therefore, we conducted a review of financial capacity measures to examine these factors. Design and Methods: We searched electronic databases, reference lists in identified articles, conference proceedings and other grey literature for measures of financial capacity...
May 23, 2017: Gerontologist
https://www.readbyqxmd.com/read/28535241/management-of-depression-in-older-adults-a-review
#4
Rob M Kok, Charles F Reynolds
Importance: Depression in older adults is a common psychiatric disorder affecting their health-related quality of life. Major depression occurs in 2% of adults aged 55 years or older, and its prevalence rises with increasing age. In addition, 10% to 15% of older adults have clinically significant depressive symptoms, even in the absence of major depression. Observations: Depression presents with the same symptoms in older adults as it does in younger populations...
May 23, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28535111/relative-validity-and-reproducibility-of-an-interviewer-administered-14-item-ffq-to-estimate-flavonoid-intake-among-older-adults-with-mild-moderate-dementia
#5
Katherine Kent, Karen Charlton
There is a large burden on researchers and participants when attempting to accurately measure dietary flavonoid intake using dietary assessment. Minimizing participant and researcher burden when collecting dietary data may improve the validity of the results, especially in older adults with cognitive impairment. A short 14-item food frequency questionnaire (FFQ) to measure flavonoid intake, and flavonoid subclasses (anthocyanins, flavan-3-ols, flavones, flavonols, and flavanones) was developed and assessed for validity and reproducibility against a 24-hour recall...
May 23, 2017: Journal of Nutrition in Gerontology and Geriatrics
https://www.readbyqxmd.com/read/28535099/do-sideline-concussion-assessments-predict-subsequent-neurocognitive-impairment-after-sport-related-concussion
#6
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/28534952/effects-of-exercise-on-mature-or-precursor-brain%C3%A2-derived-neurotrophic-factor-pathways-in-ovariectomized-rats
#7
Joon-Ki Park, Young-Pyo Hong, Sam-Jun Lee
Ovariectomy (OVX) is a method used to block estrogen in female rats that induces hippocampal dysfunction and affects brain‑derived neurotrophic factor (BDNF) pathways. The majority of previous studies investigating OVX focused on BDNF expression in the hippocampus and cognitive function. The present study focused on the pathways of each BDNF type, precursor (proBDNF) and mature (mBDNF), and the effects of regular exercise in the hippocampus of ovariectomized rats. Female Sprague‑Dawely rats were used and OVX surgery was performed...
May 19, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28534935/effect-of-fasudil-on-cognitive-function-following-status-convulsion-in-rats
#8
Rong He, Wei Han, Xiaojie Song, Xiaoju Tang, Li Cheng, Li Jiang
Fasudil has been demonstrated to possess a protective effect in neural injury; however, its protective effect on convulsive brain injury remains to be assessed. The aim of the present study was to investigate the latent mechanism and effect of fasudil on cognitive function following status convulsion (SC) in rats. Initially, to determine the effects of SC, the expression levels of Ras homolog gene family, member A (RhoA)/Rho‑associated protein kinase (ROCK) signaling pathway‑associated proteins were measured by western blot analysis in 16 rats...
May 19, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28534798/alzheimer-s-disease-diagnosis-using-landmark-based-features-from-longitudinal-structural-mr-images
#9
Jun Zhang, Mingxia Liu, Le An, Yaozong Gao, Dinggang Shen
Structural magnetic resonance imaging (MRI) has been proven to be an effective tool for Alzheimer's disease (AD) diagnosis. While conventional MRI-based AD diagnosis typically uses images acquired at a single time point, a longitudinal study is more sensitive in detecting early pathological changes of AD, making it more favorable for accurate diagnosis. In general, there are two challenges faced in MRI-based diagnosis. First, extracting features from structural MR images requires timeconsuming nonlinear registration and tissue segmentation, whereas the longitudinal study with involvement of more scans further exacerbates the computational costs...
May 16, 2017: IEEE Journal of Biomedical and Health Informatics
https://www.readbyqxmd.com/read/28534796/predicting-progression-from-mild-cognitive-impairment-to-alzheimer-s-disease-using-autoregressive-modelling-of-longitudinal-and-multimodal-biomarkers
#10
Sidra Minhas, Aasia Khanum, Farhan Riaz, Shoab Khan, Atif Alvi
Mild Cognitive Impairment is a preclinical stage of Alzheimer's disease (AD). For effective treatment of AD, it is important to identify MCI patients who are at a high risk of developing AD over the course of time. İn this study, autoregressive modelling of multiple heterogeneous predictors of Alzheimer's dısease is performed to capture their evolution over time. The models are trained using three different arrangements of longitudinal data. These models are then used to estimate future biomarker readings of individual test subjects...
May 16, 2017: IEEE Journal of Biomedical and Health Informatics
https://www.readbyqxmd.com/read/28534735/the-use-of-the-gaps-in-noise-test-as-an-index-of-the-enhanced-left-temporal-cortical-thinning-associated-with-the-transition-between-mild-cognitive-impairment-and-alzheimer-s-disease
#11
Vasiliki Vivian Iliadou, Doris-Eva Bamiou, Christos Sidiras, Nikolaos P Moschopoulos, Magda Tsolaki, Ioannis Nimatoudis, Gail D Chermak
BACKGROUND: The known link between auditory perception and cognition is often overlooked when testing for cognition. PURPOSE: To evaluate auditory perception in a group of older adults diagnosed with mild cognitive impairment (MCI). RESEARCH DESIGN: A cross-sectional study of auditory perception. STUDY SAMPLE: Adults with MCI and adults with no documented cognitive issues and matched hearing sensitivity and age. DATA COLLECTION: Auditory perception was evaluated in both groups, assessing for hearing sensitivity, speech in babble (SinB), and temporal resolution...
May 2017: Journal of the American Academy of Audiology
https://www.readbyqxmd.com/read/28534643/bicams-in-the-argentine-population-relationship-with-clinical-and-sociodemographic-variables
#12
Sandra Vanotti, A Smerbeck, María B Eizaguirre, Maria L Saladino, Ralph R H Benedict, Fernando J Caceres
The Brief International Cognitive Assessment for Multiple Sclerosis (BICAMS) was developed to provide valid assessment of cognitive impairment in multiple sclerosis (MS). The relationship between clinical and social variables and cognitive disorders has been extensively studied, but primarily in developed countries with a focus on other cognitive measures or batteries. The objectives of this study were to analyze the relationship between the BICAMS data and key clinical and sociodemographic variables in the Argentine MS population...
May 23, 2017: Applied Neuropsychology. Adult
https://www.readbyqxmd.com/read/28534428/clinimetric-validity-of-the-trail-making-test-czech-version-in-parkinson-s-disease-and-normative-data-for-older-adults
#13
Ondrej Bezdicek, Hana Stepankova, Bradley N Axelrod, Tomas Nikolai, Zdenek Sulc, Robert Jech, Evžen Růžička, Miloslav Kopecek
OBJECTIVE: The influence of demographic variables on the Trail Making Test (TMT) performance in older individuals and empirical findings on clinical validity in predementia states, such as Parkinson's disease mild cognitive impairment (PD-MCI), are limited. The principal aim of this study was to add normative data for the Czech population of older adults and explore the clinimetric properties between PD-MCI and PD patients with normal cognition (PD-NC). METHOD: The study included 125 PD patients classified as 77 PD-MCI and 48 PD-NC and 528 older individuals (60-74 years, further subdivided for normative tables into 60-64, 65-69 and 70-74 age groups) and very old individuals (aged 75-96, further subdivided into 75-79, 80-84, 85-96) cognitively intact Czech adults...
May 23, 2017: Clinical Neuropsychologist
https://www.readbyqxmd.com/read/28534169/-capacity-to-consent-to-treatment-in-dementia-patients-interdisciplinary-perspectives
#14
REVIEW
Julia Haberstroh, Tanja Müller
BACKGROUND: Currently, there are no concrete, evidence-based default procedures to adequately assess the capacity to consent to medical treatment. This explains why different raters use individual heuristics, differing both within and between disciplines. The lack of a procedure that is standardized, validated, and equally accepted across disciplines to assess the capacity to consent to treatment has led to an uncertainty in legal and medical practice regarding appropriate action and decision making...
May 22, 2017: Zeitschrift Für Gerontologie und Geriatrie
https://www.readbyqxmd.com/read/28533743/neonatal-hypoxia-ischaemia-mechanisms-models-and-therapeutic-challenges
#15
REVIEW
Lancelot J Millar, Lei Shi, Anna Hoerder-Suabedissen, Zoltán Molnár
Neonatal hypoxia-ischaemia (HI) is the most common cause of death and disability in human neonates, and is often associated with persistent motor, sensory, and cognitive impairment. Improved intensive care technology has increased survival without preventing neurological disorder, increasing morbidity throughout the adult population. Early preventative or neuroprotective interventions have the potential to rescue brain development in neonates, yet only one therapeutic intervention is currently licensed for use in developed countries...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/28533584/reversal-learning-deficits-in-criminal-offenders-effects-of-psychopathy-substance-use-and-childhood-maltreatment-history
#16
Monika Dargis, Richard C Wolf, Michael Koenigs
Deficits in reinforcement learning are presumed to underlie the impulsive and incorrigible behavior exhibited by psychopathic criminals. However, previous studies documenting reversal learning impairments in psychopathic individuals have not investigated this relationship across a continuous range of psychopathy severity, nor have they examined how reversal learning impairments relate to different psychopathic traits, such as the interpersonal-affective and lifestyle-antisocial dimensions. Furthermore, previous studies have not considered the role that childhood maltreatment and substance use may have in this specific cognitive deficit...
June 2017: Journal of Psychopathology and Behavioral Assessment
https://www.readbyqxmd.com/read/28533515/perivascular-aqp4-dysregulation-in-the-hippocampal-ca1-area-after-traumatic-brain-injury-is-alleviated-by-adenosine-a2a-receptor-inactivation
#17
Zi-Ai Zhao, Ping Li, Shi-Yang Ye, Ya-Lei Ning, Hao Wang, Yan Peng, Nan Yang, Yan Zhao, Zhuo-Hang Zhang, Jiang-Fan Chen, Yuan-Guo Zhou
Traumatic brain injury (TBI) can induce cognitive dysfunction due to the regional accumulation of hyperphosphorylated tau protein (p-tau). However, the factors that cause p-tau to concentrate in specific brain regions remain unclear. Here, we show that AQP4 polarization in the perivascular astrocytic end feet was impaired after TBI, which was most prominent in the ipsilateral brain tissue surrounding the directly impacted region and the contralateral hippocampal CA1 area and was accompanied by increased local p-tau, changes in dendritic spine density and morphology, and upregulation of the adenosine A2A receptor (A2AR)...
May 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28533442/the-role-of-shed-prp-c-in-the-neuropathogenesis-of-hiv-infection
#18
Bezawit W Megra, Eliseo A Eugenin, Joan W Berman
HIV-1 enters the CNS soon after peripheral infection and causes chronic neuroinflammation and neuronal damage that leads to cognitive impairment in 40-70% of HIV-infected people. The nonpathogenic cellular isoform of the human prion protein (PrP(c)) is an adhesion molecule constitutively expressed in the CNS. Previously, our laboratory showed that shed PrP(c) (sPrP(c)) is increased in the cerebrospinal fluid of HIV-infected people with cognitive deficits as compared with infected people with no impairment. In this article, we demonstrate that CCL2 and TNF-α, inflammatory mediators that are elevated in the CNS of HIV-infected people, increase shedding of PrP(c) from human astrocytes by increasing the active form of the metalloprotease ADAM10...
May 22, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28533388/selective-lowering-of-synapsins-induced-by-oligomeric-%C3%AE-synuclein-exacerbates-memory-deficits
#19
Megan E Larson, Susan J Greimel, Fatou Amar, Michael LaCroix, Gabriel Boyle, Mathew A Sherman, Hallie Schley, Camille Miel, Julie A Schneider, Rakez Kayed, Fabio Benfenati, Michael K Lee, David A Bennett, Sylvain E Lesné
Mounting evidence indicates that soluble oligomeric forms of amyloid proteins linked to neurodegenerative disorders, such as amyloid-β (Aβ), tau, or α-synuclein (αSyn) might be the major deleterious species for neuronal function in these diseases. Here, we found an abnormal accumulation of oligomeric αSyn species in AD brains by custom ELISA, size-exclusion chromatography, and nondenaturing/denaturing immunoblotting techniques. Importantly, the abundance of αSyn oligomers in human brain tissue correlated with cognitive impairment and reductions in synapsin expression...
May 22, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28533191/mir-34a-knockout-attenuates-cognitive-deficits-in-app-ps1-mice-through-inhibition-of-the-amyloidogenic-processing-of-app
#20
Chongdong Jian, Mengru Lu, Zhao Zhang, Long Liu, Xianfeng Li, Fang Huang, Ning Xu, Lina Qin, Qian Zhang, Donghua Zou
The noncoding miRNA-34a (miR-34a) is involved in Alzheimer's disease (AD) pathologenesis and shows potential for application as a biomarker for early diagnosis and intervention. Here, we established miR-34a knockout mice in an APP/PS1 background (APP/PS1-miR-34a KO mice) by crossbreeding miR-34a(-/-) mice with APP/PS1 mice. We then investigated cognitive impairment and related pathologies. The results showed that the level of miR-34a was increased at about 6months in APP/PS1 mice, consistent with the increase in amyloid β (Aβ), and cognitive function was significantly improved in mice when miR-34a was knocked out in 9-month-old and 12-month-old mice, indicating that miR-34a is a potential candidate for determining the progression of AD...
May 19, 2017: Life Sciences
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