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Mild cognitive impair,

Alessandro Micarelli, Andrea Viziano, David Della-Morte, Ivan Augimeri, Marco Alessandrini
OBJECTIVE: Considering the altered multisensory signal compensation during senescence, the aim of the present study was to evaluate the integration rearrangements in unilateral vestibular hypofunction (UVH) during age-related cognitive decline. STUDY DESIGN: Cross-sectional study. SETTING: Longitudinal cohort study unit and of University tertiary referral center. PATIENTS: Older UVH individuals ≥ 55 years with Mild Cognitive Impairment (MCI) or Alzheimer Disease (AD) and matched UVH control group with age-appropriate cognitive function...
March 15, 2018: Otology & Neurotology
R Sheelakumari, C Kesavadas, V S Lekha, Sunitha Justus, P Sankara Sarma, Ramshekhar Menon
Context: Annually 10-12% of patients with mild cognitive impairment (MCI) are likely to progress to Alzheimer's Disease (AD). The morphometric profile in stable non-converters has not been adequately characterized. Aims: To determine the structural differences between amnestic MCI and early AD using volumetric magnetic resonance imaging (MRI) and its correlation with neuropsychological test performances. Settings and Design: This was a hospital-based case-control study...
March 2018: Neurology India
Shyamal Kumar Das, Souvik Dubey
No abstract text is available yet for this article.
March 2018: Neurology India
Ellajosyula Ratnavalli
No abstract text is available yet for this article.
March 2018: Neurology India
Lars Frings, Sabine Hellwig, Tobias Bormann, Timo S Spehl, Ralph Buchert, Philipp T Meyer
PURPOSE: The value of imaging regional glucose metabolism with [18 F]FDG PET for the prediction of progression from mild cognitive impairment (MCI) to Alzheimer's dementia (AD) is controversial. The predictive value of imaging with [18 F]FDG PET was therefore tested and compared with that of imaging beta-amyloid load with [11 C]PIB PET in the same memory clinic population of MCI patients. METHODS: Thirty-nine patients with MCI who had undergone [18 F]FDG as well as [11 C]PIB PET were identified from a single-centre clinical registry...
March 15, 2018: European Journal of Nuclear Medicine and Molecular Imaging
Misato Yoshikawa, Yoshiyuki Soeda, Makoto Michikawa, Osborne F X Almeida, Akihiko Takashima
Hippocampal hyperactivity, ascribed to amyloid β (Aβ)-induced imbalances in neural excitation and inhibition, is found in patients with mild cognitive impairment, a prodromal stage of Alzheimer's disease (AD). To better understand the relationship between hippocampal hyperactivity and the molecular triggers of behavioral impairments in AD, we used Mn-enhanced MRI (MEMRI) to assess neuronal activity after subjecting mice to a task requiring spatial learning and memory. Depletion of endogenous tau in an amyloid precursor protein (APP) transgenic (J20) mouse line was shown to ameliorate hippocampal hyperactivity in J20 animals, tau depletion failed to reverse memory deficits associated with APP/Aβ overproduction...
2018: Frontiers in Neuroscience
Keum-Sook Kim, Young-Seok Cho
[Purpose] This study investigated the effects of an occupation-centered cognitive rehabilitation program on the cognitive function, electroencephalogram amplitude, and daily activity performance of patients with mild cognitive impairment living in a local community. [Subjects and Methods] The subjects were 6 patients (all female; age: 72.5 ± 6.6 years) with mild cognitive impairment. The patients took part in 10 60-minute sessions, over 10 weeks. [Results] The cognitive function scale scores increased, but the increase was not statistically significant...
February 2018: Journal of Physical Therapy Science
Celeste Sassi, Michael A Nalls, Perry G Ridge, Jesse R Gibbs, Michelle K Lupton, Claire Troakes, Katie Lunnon, Safa Al-Sarraj, Kristelle S Brown, Christopher Medway, Jenny Lord, James Turton, Jose Bras, Sonja Blumenau, Mareike Thielke, Christa Josties, Dorette Freyer, Annette Dietrich, Monia Hammer, Michael Baier, Ulrich Dirnagl, Kevin Morgan, John F Powell, John S Kauwe, Carlos Cruchaga, Alison M Goate, Andrew B Singleton, Rita Guerreiro, Angela Hodges, John Hardy
Mendelian adult-onset leukodystrophies are a spectrum of rare inherited progressive neurodegenerative disorders affecting the white matter of the central nervous system. Among these, cerebral autosomal dominant and recessive arteriopathy with subcortical infarcts and leukoencephalopathy, cerebroretinal vasculopathy, metachromatic leukodystrophy, hereditary diffuse leukoencephalopathy with spheroids, and vanishing white matter disease present with rapidly progressive dementia as dominant feature and are caused by mutations in NOTCH3, HTRA1, TREX1, ARSA, CSF1R, EIF2B1, EIF2B2, EIF2B3, EIF2B4, and EIF2B5, respectively...
February 2, 2018: Neurobiology of Aging
Daniel Weintraub, Alexander I Tröster, Connie Marras, Glenn Stebbins
The focus on cognitive impairment in neurodegenerative diseases, including PD, is shifting from the dementia stage to earlier stages of impairment, including mild cognitive impairment. This shift is driven primarily by the desire to improve long-term outcomes by delivering therapeutic interventions earlier in the clinical course, even presymptomatically in those at highest risk, and at the initial stage in the pathophysiological cascade that underpins common dementia syndromes. This article focuses on key findings and challenges in studying earliest stages of cognitive decline in PD, including a detailed examination of neuropsychological testing, cognitive performance in early and prodromal PD, epidemiological research for PD mild cognitive impairment to date, and expert recommendations for assessment...
March 15, 2018: Movement Disorders: Official Journal of the Movement Disorder Society
Shinji Ouma, Midori Suenaga, Funda F Bölükbaşı Hatip, Izzettin Hatip-Al-Khatib, Yoshio Tsuboi, Yoichi Matsunaga
Objectives: To determine the relevance of Mini-Mental State Examination (MMSE), serum 25-hydroxyvitamin D (25(OH)D3), and 1,25(OH)2D3 concentrations to mild cognitive impairment (MCI) and various stages of Alzheimer's disease (AD). Materials and Methods: The study included 230 participants (>74 years) allocated to three main groups: 1-healthy subjects (HS, n  = 61), 2-patients with MCI ( n  = 61), and 3- patients with Alzheimer's disease (AD) subdivided into three stages: mild ( n  = 41), moderate ( n  = 35), and severe AD ( n  = 32)...
March 2018: Brain and Behavior
Yi Wang, Jian-Ning Zhang, Wei Hu, Ji-Jun Li, Jia-Xuan Zhou, Jian-Ping Zhang, Guo-Feng Shi, Ping He, Zai-Wang Li, Ming Li
Introduction: Subjective chronic tinnitus is a common medical syndrome with a high frequency of cognitive impairment; however, the characteristics of cognitive impairment in chronic tinnitus are poorly understood. Investigating the scope of cognitive impairment across the severity spectrum of tinnitus patients may shed light on the issue. Methods: A consecutive series of 207 subjective chronic tinnitus patients were classified into mild tinnitus group ( n  = 95) and severe tinnitus group ( n  = 112) by THI score (the cutoff THI scores were 37/38)...
March 2018: Brain and Behavior
Arun Gupta, Pratima Murthy, Shobini Rao
Chronic use of mind altering substances can lead to a wide variety of neuropsychological deficits, affecting the domains of attention, learning, memory, reasoning. Executive functions such as working memory, cognitive flexibility and inhibitory control may specifically be impaired. These deficits can impact engagement in effective psychosocial interventions. Mild to moderate cognitive dysfunction may not be picked up in routine clinical examination or through commonly used tests like the mini-mental state examination (MMSE)...
February 2018: Indian Journal of Psychiatry
Ondrej Bezdicek, Tommaso Ballarini, Filip Růžička, Jan Roth, Karsten Mueller, Robert Jech, Matthias L Schroeter
Mild cognitive impairment (MCI) affects approximately one-third of non-demented Parkinson's Disease (PD) patients. We aimed at investigating the neural correlates of MCI in PD combining multimodal magnetic resonance imaging (MRI) with large-scale data from the literature. We analyzed 31 PD patients and 30 matched controls. The standard neuropsychological assessment of PD-MCI covered memory, attention, executive functions, language and visuospatial abilities. Following validated criteria, 16 patients were classified as showing MCI...
March 11, 2018: Neuropsychologia
Hugo Botha, William G Mantyh, Melissa E Murray, David S Knopman, Scott A Przybelski, Heather J Wiste, Jonathan Graff-Radford, Keith A Josephs, Christopher G Schwarz, Walter K Kremers, Bradley F Boeve, Ronald C Petersen, Mary M Machulda, Joseph E Parisi, Dennis W Dickson, Val Lowe, Clifford R Jack, David T Jones
Predicting underlying pathology based on clinical presentation has historically proven difficult, especially in older cohorts. Age-related hippocampal sclerosis may account for a significant proportion of elderly participants with amnestic dementia. Advances in molecular neuroimaging have allowed for detailed biomarker-based phenotyping, but in the absence of antemortem markers of hippocampal sclerosis, cases of mixed pathology remain problematic. We evaluated the utility of 18F-FDG-PET to differentiate flortaucipir tau PET negative from flortaucipir positive amnestic mild cognitive impairment and dementia and used an autopsy confirmed cohort to test the hypothesis that hippocampal sclerosis might account for the observed pattern...
March 12, 2018: Brain: a Journal of Neurology
Hyun Jun Kim, Sang Yeoup Lee, Hwa Gyeong Lee, Yang Hee Cho, Eun Mi Ko
Few studies have been undertaken to develop cognitive functional improvement-focused exercise programs and determine their effect. The objectives of this study were to evaluate the effects of a cognitive enhancement fitness program (CEFP) on short-term memory and serum brain-derived neurotrophic factor (BDNF) levels according to the cognitive state in middle-aged women. A total of 30 healthy volunteers aged 40-59 years were divided into two groups, that is, a mild cognitive impairment (MCI) group and a non-MCI group based on results from the Korean Dementia Screening Questionnaire...
March 2018: Journal of Sports Science & Medicine
Gwendolien Vanderschaeghe, Kris Dierickx, Rik Vandenberghe
BACKGROUND: Today, many healthcare or dementia organizations, clinicians, and companies emphasize the importance of detection of Alzheimer's disease in an early phase. This idea has gained considerable momentum due to the development of biomarkers, the recent FDA and EMA approval of three amyloid tracers, and the failure of a number of recent therapeutic trials conducted in the early dementia phase. On the one hand, an early etiological diagnosis can lead to early and more efficacious intervention...
March 12, 2018: Journal of Bioethical Inquiry
Jocasta Ball, Maja-Lisa Løchen, Melinda J Carrington, Joshua F Wiley, Simon Stewart
Objective: Mild cognitive impairment (MCI) is prevalent in atrial fibrillation (AF) and has the potential to contribute to poor outcomes. We investigated the influence of MCI on survival and rehospitalisation in patients with chronic forms of AF undergoing a home-based, AF-specific disease management intervention (home-based intervention (HBI)) or standard management (SM). Methods: The Montreal Cognitive Assessment tool was administered at baseline (a score of <26/30 indicated MCI) in patients with AF randomised to HBI versus SM...
2018: Open Heart
Liping Fu, Linwen Liu, Jinming Zhang, Baixuan Xu, Yong Fan, Jiahe Tian
The aim of this study was to identify the brain networks from early-phase11 C-PIB (perfusion PIB, pPIB) data and to compare the brain networks of patients with differentiating Alzheimer's disease (AD) with cognitively normal subjects (CN) and of mild cognitively impaired patients (MCI) with CN. Forty participants (14 CN, 12 MCI, and 14 AD) underwent11 C-PIB and18 F-FDG PET/CT scans. Parallel independent component analysis (pICA) was used to identify correlated brain networks from the11 C-pPIB and18 F-FDG data, and a two-sample t -test was used to evaluate group differences in the corrected brain networks between AD and CN, and between MCI and CN...
2018: Contrast Media & Molecular Imaging
Beatrice J Edwards, Xiaotao Zhang, Ming Sun, Holly M Holmes, Leena Ketonen, Nandita Guha, Peter Khalil, Juhee Song, Shelli Kesler, Jay B Shah, Debasish Tripathy, Vicente Valero, Richard E Champlin
OBJECTIVE: To assess cognitive function in older adults undergoing cancer care. MATERIALS AND METHODS: This is a cross-sectional study, in the University of Texas MD Anderson Cancer Center, in older adults undergoing cancer care. Comprehensive geriatric assessments were conducted prior to surgery, chemotherapy or allogeneic stem cell transplantation, at the Program for Healthy Aging from January 1, 2013 through March 31, 2015. Cognitive assessment was conducted through personal and family interview, and the Montreal cognitive assessment (MoCA)...
March 9, 2018: Journal of Geriatric Oncology
Yi-Qi Lin, Sheng-Di Chen
Increasing evidence indicates a strong association between rapid eye movement sleep behavior disorder (RBD) and Parkinson's disease - cognitive impairment (PD-CI). Numerous longitudinal and cross-sectional studies have shown that RBD may be an important risk factor and predictor of Parkinson's disease - mild cognitive impairment (PD-MCI) and Parkinson's disease dementia (PDD); which may be explained by the association of mechanisms between RBD and PD-CI, including neurotransmitter alterations, genetic mutation, neuroinflammation, alpha-synuclein inclusion, abnormal cerebral metabolism and cortical activity slowing...
April 2018: Sleep Medicine
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