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https://www.readbyqxmd.com/read/28102739/perceptions-of-mild-traumatic-brain-injury-in-adults-a-scoping-review
#1
Katie Mah, Andrea Hickling, Nick Reed
PURPOSE: The purpose of this article is to synthesise the scholarly literature related to perceptions of mild traumatic brain injury (mTBI) and health outcomes in an adult population. METHODS: A scoping review was undertaken. An electronic search of seven databases was conducted. Studies were included if (1) they related to perceptions of mild traumatic brain injury, (2) the population was adults with mild traumatic brain injury, and (3) health outcomes were reported...
January 19, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28101102/brain-derived-neurotrophic-factor-serum-levels-and-hippocampal-volume-in-mild-cognitive-impairment-and-dementia-due-to-alzheimer-disease
#2
Ericksen Mielle Borba, Juliana Avila Duarte, Giovana Bristot, Ellen Scotton, Ana Luiza Camozzato, Márcia Lorena Fagundes Chaves
BACKGROUND/AIMS: Hippocampal atrophy is a recognized biomarker of Alzheimer disease (AD) pathology. Serum brain-derived neurotrophic factor (BDNF) reduction has been associated with neurodegeneration. We aimed to evaluate BDNF serum levels and hippocampal volume in clinical AD (dementia and mild cognitive impairment [MCI]). METHODS: Participants were 10 patients with MCI and 13 with dementia due to AD as well as 10 healthy controls. BDNF serum levels were determined by ELISA and volumetric measures with NeuroQuant®...
September 2016: Dementia and Geriatric Cognitive Disorders Extra
https://www.readbyqxmd.com/read/28101100/the-utility-of-the-mini-addenbrooke-s-cognitive-examination-as-a-screen-for-cognitive-impairment-in-elderly-patients-with-chronic-kidney-disease-and-diabetes
#3
Peter Hobson, Kamel H Rohoma, Stephen P Wong, Mick J Kumwenda
BACKGROUND/AIMS: We tested the utility of the Mini-Addenbrooke's Cognitive Examination (M-ACE) in a cohort of older adults with chronic kidney disease (CKD) and diabetes. METHOD: The M-ACE was administered to 112 CKD and diabetes patients attending a nephrology clinic. Cognitive impairment was based upon patient, informant, and case review, neuropsychological assessment, and application of criteria for mild cognitive impairment (MCI) and the Diagnostic and Statistical Manual of Mental Disorders, fifth edition for dementia...
September 2016: Dementia and Geriatric Cognitive Disorders Extra
https://www.readbyqxmd.com/read/28101099/magnetic-resonance-volumetry-prediction-of-subjective-memory-complaints-and-mild-cognitive-impairment-and-associations-with-genetic-and-cardiovascular-risk-factors
#4
Sigbjørn Rogne, Torgil Vangberg, Petter Eldevik, Gry Wikran, Ellisiv B Mathiesen, Henrik Schirmer
BACKGROUND/AIMS: Subjective memory complaints (SMC) are strong predictors of mild cognitive impairment (MCI) and subsequent Alzheimer's disease. Our aims were to see if fully automated cerebral MR volume measurements could distinguish subjects with SMC and MCI from controls, and if probable parental late-onset Alzheimer's disease (LOAD), apolipoprotein E ε4 genotype, total plasma homocysteine, and cardiovascular risk factors were associated with MR volumetric findings. METHODS: 198 stroke-free subjects comprised the control (n = 58), the SMC (n = 25) and the MCI (n = 115) groups...
September 2016: Dementia and Geriatric Cognitive Disorders Extra
https://www.readbyqxmd.com/read/28100725/genome-wide-association-study-identifies-mapt-locus-influencing-human-plasma-tau-levels
#5
Jason Chen, Jin-Tai Yu, Kevin Wojta, Hui-Fu Wang, Henrik Zetterberg, Kaj Blennow, Jennifer S Yokoyama, Michael W Weiner, Joel H Kramer, Howard Rosen, Bruce L Miller, Giovanni Coppola, Adam L Boxer
OBJECTIVE: To identify genetic loci associated with plasma tau concentrations in healthy elders and individuals with Alzheimer disease. METHODS: Four hundred sixty-three non-Hispanic white individuals exceeding quality control criteria were included from the Alzheimer's Disease Neuroimaging Initiative (ADNI-1) cohort. Association of plasma tau with genetic polymorphisms was performed with a linear regression model. Significant associations were validated in an independent replication cohort consisting of 431 healthy elders or individuals with mild cognitive impairment recruited from the University of California, San Francisco Memory and Aging Center...
January 18, 2017: Neurology
https://www.readbyqxmd.com/read/28100252/a-cognitive-electrophysiological-signature-differentiates-amnestic-mild-cognitive-impairment-from-normal-aging
#6
Juan Li, Lucas S Broster, Gregory A Jicha, Nancy B Munro, Frederick A Schmitt, Erin Abner, Richard Kryscio, Charles D Smith, Yang Jiang
BACKGROUND: Noninvasive and effective biomarkers for early detection of amnestic mild cognitive impairment (aMCI) before measurable changes in behavioral performance remain scarce. Cognitive event-related potentials (ERPs) measure synchronized synaptic neural activity associated with a cognitive event. Loss of synapses is a hallmark of the neuropathology of early Alzheimer's disease (AD). In the present study, we tested the hypothesis that ERP responses during working memory retrieval discriminate aMCI from cognitively normal controls (NC) matched in age and education...
January 19, 2017: Alzheimer's Research & Therapy
https://www.readbyqxmd.com/read/28100076/precuneus-structure-changes-in-amnestic-mild-cognitive-impairment
#7
Robert Haussmann, Annett Werner, Antonia Gruschwitz, Antje Osterrath, Jan Lange, Katharina L Donix, Jennifer Linn, Markus Donix
Patients with amnestic mild cognitive impairment (aMCI) are at risk for developing Alzheimer's disease. Due to their prominent memory impairment, structural magnetic resonance imaging (MRI) often focuses on the hippocampal region. However, recent positron-emission tomography data suggest that within a network of frontal and temporal changes, patients with aMCI show metabolic alterations in the precuneus, a key region for higher cognitive functions. Using high-resolution MRI and whole-brain cortical thickness analyses in 28 patients with aMCI and 25 healthy individuals, we wanted to investigate whether structural changes in the precuneus would be associated with cortical thickness reductions in frontal and temporal brain regions in patients with aMCI...
February 2017: American Journal of Alzheimer's Disease and Other Dementias
https://www.readbyqxmd.com/read/28096673/apathy-and-intrinsic-functional-connectivity-networks-in-amnestic-mild-cognitive-impairment
#8
Soo Hyun Joo, Chang Uk Lee, Hyun Kook Lim
BACKGROUND: Although several prior works reported that apathy is associated with conversion to Alzheimer's disease in individuals with amnestic mild cognitive impairment (aMCI), effects of apathy on the functional connectivity (FC) of the brain remain unclear. In this study, we assessed the pattern of association between apathy and default mode network (DMN), salience network and central executive network (CEN) in aMCI subjects. METHODS: Fifty subjects with aMCI and 50 controls (CONs) participated in this study...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28096070/a-comparative-study-of-tower-of-london-scoring-systems-and-normative-data
#9
Jiri Michalec, Ondrej Bezdicek, Tomas Nikolai, Pavel Harsa, Robert Jech, Petr Silhan, Martin Hyza, Evzen Ruzicka, Tim Shallice
OBJECTIVE: Tower of London (ToL) is a planning ability task that includes multiple versions. The original ToL was developed by Shallice together with two scoring systems (ToL-SS). Another two ToL-SS were proposed by Anderson et al. and Krikorian et al. The purpose of this study is to provide normative data for four ToL-SS and explore the effects of demographic variables on ToL performance. Furthermore, we aimed to determine the discriminative validity of these ToL-SS in clinical samples...
January 17, 2017: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/28095376/review-of-decision-making-in-game-tasks-in-elderly-participants-with-alzheimer-disease-and-mild-cognitive-impairment
#10
Alaise Silva Santos de Siqueira, Juliana Emy Yokomizo, Wilson Jacob-Filho, Mônica Sanches Yassuda, Ivan Aprahamian
BACKGROUND: Changes in decision-making (DM) have recently been investigated in patients with Alzheimer disease (AD) or mild cognitive impairment (MCI). DM is highly relevant to everyday functioning and autonomy. It relies on several cognitive abilities, such as semantic and episodic memory, as well as aspects of executive functioning. We conducted a systematic review of DM in older adults with MCI and AD. SUMMARY: Only 5 studies whose main objective was to evaluate the DM performance were selected...
January 18, 2017: Dementia and Geriatric Cognitive Disorders
https://www.readbyqxmd.com/read/28094952/effect-of-an-enhanced-nose-to-brain-delivery-of-insulin-on-mild-and-progressive-memory-loss-in-the-senescence-accelerated-mouse
#11
Noriyasu Kamei, Misa Tanaka, Hayoung Choi, Nobuyuki Okada, Takamasa Ikeda, Rei Itokazu, Mariko Takeda-Morishita
Insulin is now considered to be a new drug candidate for treating dementias, such as Alzheimer's disease, whose pathologies are linked to insulin resistance in the brain. Our recent work has clarified that a noncovalent strategy involving cell-penetrating peptides (CPPs) can increase the direct transport of insulin from the nasal cavity into the brain parenchyma. The present study aimed to determine whether the brain insulin level increased by intranasal coadministration of insulin with the CPP penetratin has potential for treating dementia...
January 17, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28094881/children-with-motor-impairment-related-to-cerebral-palsy-prevalence-severity-and-concurrent-impairments-in-china
#12
Ping He, Gong Chen, Zhenjie Wang, Chao Guo, Xiaoying Zheng
AIM: Cerebral palsy (CP) is the most common cause of motor impairment in childhood. This study aimed to examine the prevalence, severity and concurrent impairments of CP-related motor impairment among Chinese children. METHODS: Children with CP-related motor impairment aged 0-17 years were identified through a national population-based survey based on World Health Organization International Classification of Functioning, Disability and Health. Logistic regression models allowing for weights were used to examine individual and family factors in relation to CP-related motor impairment...
January 17, 2017: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/28094500/chronic-mild-stress-induced-alterations-of-local-protein-synthesis-a-role-for-cognitive-impairment
#13
Francesca Calabrese, Paola Brivio, Piotr Gruca, Magdalena Lason-Tyburkiewicz, Mariusz Papp, Marco A Riva
Depression, a major cause of disability worldwide, is characterized by a complex and heterogeneous symptomatology. With this respect, cognitive deterioration represents a major problem that has a strong impact on patient's function. Thus, within the context of a depressive phenotype, it is important to characterize the mechanisms that sustain cognitive dysfunctions and may represent an important target for pharmacological intervention. Here, using the chronic mild stress (CMS) paradigm of depression, we found that, independently from the anhedonic phenotype, CMS rats showed a deficit in the novel object recognition (NOR) test, which is associated with an inability to phosphorylate GluN2B subunit on Ser1303 and to activate the mTOR pathway...
January 17, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28093627/-validation-of-the-german-version-of-the-6%C3%A2-item-screener-brief-cognitive-test-with-broad-application-possibilities
#14
S Krupp, A Seebens, J Kasper, M Willkomm, F Balck
BACKGROUND: Especially during admission the detection of cognitive deficits relevant to everyday life should burden patient and examiner as little as possible. The 6‑item screener (SIS) takes approximately 1 min, is easy to learn, does not require any material and is independent of the patient's visual and fine motor skills. The test was first published in 2002 by Callahan who approved the present German translation. OBJECTIVE: We checked the convergent and discriminant validity, reliability and sensitivity to change of the German translation among geriatric patients...
January 16, 2017: Zeitschrift Für Gerontologie und Geriatrie
https://www.readbyqxmd.com/read/28092641/performance-characterization-of-a-novel-electronic-number-connection-test-to-detect-minimal-hepatic-encephalopathy-in-cirrhotic-patients
#15
Tilo Wuensch, Darius Ferenc Ruether, Caroline Zöllner, Tobias Mueller, Tobias Jung, Magnus Kaffarnik, Ursula Kassner, Eckart Schott, Stephan Kiefer, Johann Pratschke, Martin Stockmann, Maximilian Jara
BACKGROUND AND AIM: Hepatic encephalopathy (HE) is a frequent complication of cirrhosis, characterized by cognitive deficits that negatively impact patients' quality of life. The mild, minimal hepatic encephalopathy (mHE) can only be detected by psychometric tests and early mHE detection can prevent more severe complications or even survival times. Here, we aimed to investigate the feasibility and validity of the novel-developed electronic number connection test (eNCT), which is designed as a fast and easy-to-perform mHE patient self-test...
January 12, 2017: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28092591/relational-regularized-discriminative-sparse-learning-for-alzheimer-s-disease-diagnosis
#16
Baiying Lei, Peng Yang, Tianfu Wang, Siping Chen, Dong Ni
Accurate identification and understanding informative feature is important for early Alzheimer's disease (AD) prognosis and diagnosis. In this paper, we propose a novel discriminative sparse learning method with relational regularization to jointly predict the clinical score and classify AD disease stages using multimodal features. Specifically, we apply a discriminative learning technique to expand the class-specific difference and include geometric information for effective feature selection. In addition, two kind of relational information are incorporated to explore the intrinsic relationships among features and training subjects in terms of similarity learning...
January 16, 2017: IEEE Transactions on Cybernetics
https://www.readbyqxmd.com/read/28089970/spatial-working-memory-impairment-in-patients-with-non-neuropsychiatric-systemic-lupus-erythematosus-a-blood-oxygen-level-dependent-functional-magnetic-resonance-imaging-study
#17
Chun-Min Zhu, Ye Ma, Lei Xie, Jin-Zhuang Huang, Zong-Bo Sun, Shou-Xing Duan, Zhi-Rong Lin, Jing-Jing Yin, Hong-Bo Le, Dan-Miao Sun, Wen-Can Xu, Shu-Hua Ma
OBJECTIVE: Using ethology and functional magnetic resonance imaging (fMRI) to explore mild cognitive dysfunction and spatial working memory (WM) impairment in patients with systemic lupus erythematosus (SLE) without overt neuropsychiatric symptoms (non-NPSLE) and to study whether any clinical biomarkers could serve as predictors of brain dysfunction in this disease. METHODS: Eighteen non-NPSLE patients and 18 matched subjects were all tested using the Montreal cognitive assessment scale test and scanned using blood-oxygen-level dependent fMRI while performing the n-back task to investigate the activation intensity of some cognition-related areas...
January 15, 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/28089766/males-with-mecp2-c-terminal-related-atypical-rett-syndromes-and-their-carrier-mothers
#18
Gabriel M Ronen, Lauren I Brady, Mark A Tarnopolsky
BACKGROUND: This communication examines the expanding phenotypes of the MECP2 C-terminal atypical Rett syndromes in males and their affected carrier mothers. DESCRIPTIONS: We describe three males with normal karyotypes who presented with congenital evolving complex neurodevelopmental encephalopathies with multifaceted symptomatology of hypotonia, epilepsy, ataxia, spasticity, movement disorders, behavioral issues, severe intellectual impairment, and communication skills, and a protracted regression phase followed by stabilization...
October 25, 2016: Pediatric Neurology
https://www.readbyqxmd.com/read/28089697/effects-of-mild-cognitive-impairment-on-emotional-scene-memory
#19
J D Waring, H R Dimsdale-Zucker, S Flannery, A E Budson, E A Kensinger
Young and older adults experience benefits in attention and memory for emotional compared to neutral information, but this memory benefit is greatly diminished in Alzheimer's disease (AD). Little is known about whether this impairment arises early or late in the time course between healthy aging and AD. This study compared memory for positive, negative, and neutral items with neutral backgrounds between patients with mild cognitive impairment (MCI) and healthy older adults. We also used a divided attention condition in older adults as a possible model for the deficits observed in MCI patients...
January 12, 2017: Neuropsychologia
https://www.readbyqxmd.com/read/28088928/multi-modal-mri-investigation-of-volumetric-and-microstructural-changes-in-the-hippocampus-and-its-subfields-in-mild-cognitive-impairment-alzheimer-s-disease-and-dementia-with-lewy-bodies
#20
Elijah Mak, Silvy Gabel, Li Su, Guy B Williams, Robert Arnold, Luca Passamonti, Patricia Vazquez Rodríguez, Ajenthan Surendranathan, W Richard Bevan-Jones, James B Rowe, John T O'Brien
BACKGROUND: Volumetric atrophy and microstructural alterations in diffusion tensor imaging (DTI) measures of the hippocampus have been reported in people with Alzheimer's disease (AD) and mild cognitive impairment (MCI). However, no study to date has jointly investigated concomitant microstructural and volumetric changes of the hippocampus in dementia with Lewy bodies (DLB). METHODS: A total of 84 subjects (23 MCI, 17 DLB, 14 AD, and 30 healthy controls) were recruited for a multi-modal imaging (3T MRI and DTI) study that included neuropsychological evaluation...
January 16, 2017: International Psychogeriatrics
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