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Subjective memory impairment

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https://www.readbyqxmd.com/read/29777621/serum-high-density-lipoprotein-cholesterol-is-a-protective-predictor-of-executive-function-in-older-patients-with-diabetes-mellitus
#1
Yue Sun, Jenny Lee, Ronald C Ma, Timothy Kwok
INTRODUCTION: Older people with diabetes mellitus (DM) are at high risk for cognitive impairment or dementia. The clinical predictors for cognitive decline in older people with DM were elucidated. METHODS: This was a secondary analysis of a vitamin B12 intervention trial in older people with DM. 271 non-demented subjects were followed up at nine months interval for 27 months. We explored the association between baseline clinical features with changes in cognitive measures (clinical dementia rating scale, neuropsychological test battery including executive function z scores, psychomotor speed z scores and memory z scores)...
May 19, 2018: Journal of Diabetes Investigation
https://www.readbyqxmd.com/read/29776428/evidence-of-the-impact-of-systemic-inflammation-on-neuroinflammation-from-a-non-bacterial-endotoxin-animal-model
#2
Chunxia Huang, Michael Garnet Irwin, Gordon Tin Chun Wong, Raymond Chuen Chung Chang
BACKGROUND: Systemic inflammation induces neuroinflammation and cellular changes such as tau phosphorylation to impair cognitive function, including learning and memory. This study uses a single model, laparotomy without any pathogen, to characterize these changes and their responses to anti-inflammatory treatment in the intermediate term. METHODS: In a two-part experiment, wild-type C57BL/6N mice (male, 3 month old, 25 ± 2 g) were subjected to sevoflurane anesthesia alone or to a laparotomy...
May 17, 2018: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29775673/gender-dependent-contribution-of-muscarinic-receptors-in-memory-retrieval-under-sub-chronic-stress
#3
Habiba Rashid, Touqeer Ahmed
Stress induces retrograde amnesia in humans and rodents. Muscarinic antagonism under normal physiological conditions causes gender dependent impairment in episodic memory retrieval. We aimed to explore the gender dependent role of muscarinic receptors in memory retrieval under sub-chronic stress condition. Male and female mice were trained for Morris water maze test and contextual fear conditioning, followed by 3 hour restraint stress per day for five days. Stress was either given alone or in combination with a daily subcutaneous injection of scopolamine (1 mg/kg) or donepezil (1 mg/kg)...
May 15, 2018: Neuroscience Letters
https://www.readbyqxmd.com/read/29772485/neurocognitive-dysfunction-in-subjects-at-clinical-high-risk-for-psychosis-a-meta-analysis
#4
Wei Zheng, Qing-E Zhang, Dong-Bin Cai, Chee H Ng, Gabor S Ungvari, Yu-Ping Ning, Yu-Tao Xiang
Findings of neurocognitive dysfunction in subjects at Clinical High Risk for Psychosis (CHR-P) have been controversial. This meta-analysis systematically examined studies of neurocognitive functions using the MATRICS Consensus Cognitive Battery (MCCB) in CHR-P. An independent literature search of both English and Chinese databases was conducted by two reviewers. Standardized mean difference (SMD) was calculated using a random effects model to evaluate the effect size of the meta-analytic results. Six case-control studies (n = 396) comparing neurocognitive functions between CHR-P subjects (n = 197) and healthy controls (n = 199) using the MCCB were identified; 4 (66...
May 5, 2018: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/29772244/gender-difference-in-the-effect-of-progesterone-on-neonatal-hypoxic-ischemic-brain-injury-in-mouse
#5
Shuyu Dong, Qian Zhang, Delian Kong, Chao Zhou, Jie Zhou, Jingjing Han, Yan Zhou, Guoliang Jin, Xiaodong Hua, Jun Wang, Fang Hua
This study was to investigate the effects of progesterone (PROG) on neonatal hypoxic/ischemic (NHI) brain injury, the differences in effects between genders, and the underlying mechanisms. NHI brain injury was established in both male and female neonatal mice induced by occlusion of the left common carotid artery followed by hypoxia. The mice were treated with PROG or vehicle. Fluoro-Jade B staining (F-JB), long term behavior testing, and brain magnetic resonance image (MRI) were applied to evaluate neuronal death, neurological function, and brain damage...
May 14, 2018: Experimental Neurology
https://www.readbyqxmd.com/read/29771474/neurocog-fx-study-a-multicenter-cohort-study-on-cognitive-dysfunction-in-patients-with-early-breast-cancer
#6
Oliver Rick, Monika Reuß-Borst, Timm Dauelsberg, Holger Hass, Volker König, Reiner Caspari, Gabriele Götz-Keil, Jürgen Pfitzner, Christa Kerschgens, Klaus Fliessbach, Christian Hoppe
OBJECTIVE: Complaints about cognitive dysfunction (CD) reportedly persist in approximately one third of breast cancer patients but the nature of CD and possible risk factors are unknown. METHODS: A cross-sectional, multicenter study was set-up at 9 German oncological rehabilitation centers. Objective cognitive performance was assessed by the NeuroCog FX test, a short computerized screening (duration <30 min) which assesses working memory, alertness, verbal/figural memory and language/executive...
May 17, 2018: Psycho-oncology
https://www.readbyqxmd.com/read/29768278/lower-plasma-klotho-concentrations-are-associated-with-vascular-dementia-but-not-late-onset-alzheimer-s-disease
#7
Gloria Brombo, Francesco Bonetti, Beatrice Ortolani, Mario Luca Morieri, Cristina Bosi, Angelina Passaro, Giovanni B Vigna, Caterina Borgna, Maria Vittoria Arcidicono, Veronica Tisato, Giovanni Zuliani
BACKGROUND: The protein Klotho is involved in biological processes related to longevity, cardiovascular health, and cognition. Serum Klotho levels have been associated with better cognition in animal models; moreover, lower Klotho concentrations in cerebrospinal fluid from subjects with late-onset Alzheimer's disease (LOAD) have been reported. OBJECTIVE: Our study aimed to examine the possible relationship between Klotho plasma concentrations and cognitive status in the elderly...
May 16, 2018: Gerontology
https://www.readbyqxmd.com/read/29767302/amyloid-causes-intermittent-network-disruptions-in-cognitively-intact-older-subjects
#8
Susanne G Mueller
Recent findings in AD models but also human patients suggest that amyloid can cause intermittent neuronal hyperactivity. The overall goal of this study was to use dynamic fMRI analysis combined with graph analysis to a) characterize the graph analytical signature of two types of intermittent hyperactivity (spike-like (spike) and hypersynchronus-like (synchron)) in simulated data and b) to attempt to identify one of these signatures in task-free fMRIs of cognitively intact subjects (CN) with or without increased brain amyloid...
May 16, 2018: Brain Imaging and Behavior
https://www.readbyqxmd.com/read/29766579/memory-complaints-in-amnestic-mild-cognitive-impairment-more-prospective-or-retrospective
#9
REVIEW
Alexandre de Mendonça, Helena Felgueiras, Ana Verdelho, Sara Câmara, Cláudia Grilo, João Maroco, Antonina Pereira, Manuela Guerreiro
OBJECTIVE: Patients with amnestic Mild Cognitive Impairment (aMCI), usually considered an early stage of Alzheimer's disease, have deficits not only in retrospective memory (RM), that is, recalling of past events, words or people, but also on prospective memory (PM), the cognitive ability of remembering to execute delayed intentions in the future. This study investigated whether patients with aMCI refer more PM complaints as compared with RM complaints, and whether this might depend upon short-term vs long-term items or time-based vs event-based tasks...
May 15, 2018: International Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/29761124/progranulin-levels-in-blood-in-alzheimer-s-disease-and-mild-cognitive-impairment
#10
Yonatan A Cooper, Daniel Nachun, Deepika Dokuru, Zhongan Yang, Anna M Karydas, Ginette Serrero, Binbin Yue, Adam L Boxer, Bruce L Miller, Giovanni Coppola
Objective: Changes in progranulin ( GRN ) expression have been hypothesized to alter risk for Alzheimer's disease (AD). We investigated the relationship between GRN expression in peripheral blood and clinical diagnosis of AD and mild cognitive impairment (MCI). Methods: Peripheral blood progranulin gene expression was measured, using microarrays from Alzheimer's ( n = 186), MCI ( n = 118), and control ( n = 204) subjects from the University of California San Francisco Memory and Aging Center (UCSF-MAC) and two independent published series (AddNeuroMed and ADNI)...
May 2018: Annals of Clinical and Translational Neurology
https://www.readbyqxmd.com/read/29756803/attitude-toward-own-aging-as-a-risk-factor-for-cognitive-disorder-in-old-age-12-year-evidence-from-the-ilse-study
#11
Jelena S Siebert, Hans-Werner Wahl, Christina Degen, Johannes Schröder
Previous research has demonstrated the harmful impact of subjective aging processes (e.g., negative age self-stereotyping) on normal cognitive aging in different domains of cognitive functioning, such as memory, executive function, and fluid abilities. Recently, subjective aging has also been linked to important biomarkers of Alzheimer's disease (AD) and dementia-related outcomes, indicating associations with pathological cognitive aging. With data from the Interdisciplinary Longitudinal Study of Adult Development and Aging (ILSE), the present study extends this research by examining the long-term effect of attitude toward own aging (ATOA) on expert-based clinical diagnosis of mild cognitive impairment (MCI) and AD in old age...
May 2018: Psychology and Aging
https://www.readbyqxmd.com/read/29754119/a-pilot-study-and-brief-overview-of-rehabilitation-via-virtual-environment-in-patients-suffering-from-dementia
#12
Th Fasilis, P Patrikelis, A Siatouni, A Alexoudi, A Veretzioti, L Zachou, S-St Gatzonis
Dementia is one of the increasing problems of modern societies. The immediate cure is not a possible solution, at least at the moment, but science has found a number of new ways to retard and under specific conditions to halt its development. A potential, and constantly evolving scientific field is the use of Computerized Cognitive Rehabilitation (CCR) and Virtual Environments (Vr.E). According to the existing literature, subjecting patients to various neuro-rehabilitative conditions within 3D virtual environments, allows them to obtain significant therapeutic benefits in which both transferability and durations over time are observed, in relation to the training period of the intervention...
January 2018: Psychiatrikē, Psychiatriki
https://www.readbyqxmd.com/read/29752970/repeated-cycles-of-binge-like-ethanol-exposure-induce-immediate-and-delayed-neurobehavioral-changes-and-hippocampal-dysfunction-in-adolescent-female-rats
#13
Luanna M P Fernandes, Sabrina C Cartágenes, Mayara A Barros, Taiana C V S Carvalheiro, Nair Correia de Freitas Castro, Marissa G Schamne, Rafael R Lima, Rui D Prediger, Marta C Monteiro, A F Enéas, Rodrigo A Cunha, Cristiane S F Maia
Binge-like ethanol intake (BEI) is a socioeconomical problem among adolescents and increasingly affects women. BEI can leave a long-term imprint in the brain, but it is unknown if its effect on cognition and anxiety is cumulative on repeated binge-ethanol episodes. We now submitted female Wistar rats to repeated cycles of binge-like ethanol treatment by intragastrically administering ethanol (3.0 g/kg/day, 20% w/v ethanol; 3 days on/4 days off) starting at postnatal day 35 (PND35). To investigate the short-term effects of BEI during adolescence, rats underwent 1 or 4 cycles of BEI, being evaluated at PND37 and PND58, respectively: both groups displayed anxiety-like behavior in the open field and elevated plus-maze tests, as well as short-term memory deficits in the object recognition task; this was associated with transient decreases of BDNF levels and increases of GFAP levels in the hippocampus...
May 9, 2018: Behavioural Brain Research
https://www.readbyqxmd.com/read/29751168/subjective-cognitive-function-in-hoarding-disorder
#14
David F Tolin, Lauren S Hallion, Bethany M Wootton, Hannah C Levy, Amber L Billingsley, Akanksha Das, Benjamin W Katz, Michael C Stevens
The aim of the present study was to examine subjective cognitive impairment among adult patients with hoarding disorder (HD). Eighty-three patients with HD and 46 age- and gender-matched healthy control (HC) participants received a diagnostic interview and completed measures of subjective cognitive functioning and motivations for saving behavior, as well as measures of hoarding severity, depression, anxiety, stress, and obsessive-compulsive disorder (OCD) symptoms. The HD group reported more impairment than did the HC group in domains of memory, distractibility, blunders, memory for names, and inattention...
May 4, 2018: Psychiatry Research
https://www.readbyqxmd.com/read/29745564/-research-progress-about-different-levels-of-cognitive-recession-using-resting-state-functional-connectivity-network-methods
#15
REVIEW
Yanan Liu, Yuanyuan Chen, Miao Sha, Hongzhi Qi, Dong Ming, Peng Zhou
Normal brain aging and a serious of neurodegenerative diseases may lead to decline in memory, attention and executive ability and poorer quality of life. The mechanism of the decline is not clear now and is still a hot issue in the fields of neuroscience and medicine. A large number of researches showed that resting state functional brain networks based functional magnetic resonance imaging (fMRI) are sensitive and susceptive to the change of cognitive function. In this paper, the researches of brain functional connectivity based on resting fMRI in recent years were compared, and the results of subjects with different levels of cognitive decline including normal brain aging, mild cognitive impairment (MCI) and Alzheimer's disease (AD) were reviewed...
August 1, 2017: Sheng Wu Yi Xue Gong Cheng Xue za Zhi, Journal of Biomedical Engineering, Shengwu Yixue Gongchengxue Zazhi
https://www.readbyqxmd.com/read/29740353/distinct-associations-of-motor-domains-in-relatives-of-schizophrenia-patients-different-pathways-to-motor-abnormalities-in-schizophrenia
#16
Lea Schäppi, Katharina Stegmayer, Petra V Viher, Sebastian Walther
Introduction: Aberrant motor function is an integral part of schizophrenia. In fact, abnormalities are frequently found in patients, in populations at risk, and in unaffected relatives. Motor abnormalities are suspected to be relevant for the clinical outcome and could probably predict the conversion from at-risk individuals to schizophrenia. Furthermore, motor function has been argued as endophenotype of the disorder. Yet, which particular motor domain may classify as a potential endophenotype is unknown...
2018: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/29739127/diagnostic-validity-of-an-automated-probabilistic-tractography-in-amnestic-mild-cognitive-impairment
#17
Won Sang Jung, Yoo Hyun Um, Dong Woo Kang, Chang Uk Lee, Young Sup Woo, Won-Myong Bahk, Hyun Kook Lim
Objective: Although several prior works showed the white matter (WM) integrity changes in amnestic mild cognitive impairment (aMCI) and Alzheimer's disease, it is still unclear the diagnostic accuracy of the WM integrity measurements using diffusion tensor imaging (DTI) in discriminating aMCI from normal controls. The aim of this study is to explore diagnostic validity of whole brain automated probabilistic tractography in discriminating aMCI from normal controls. Methods: One hundred-two subjects (50 aMCI and 52 normal controls) were included and underwent DTI scans...
May 31, 2018: Clinical Psychopharmacology and Neuroscience: the Official Scientific Journal of the Korean College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/29735513/a-unifying-theory-for-cognitive-abnormalities-in-functional-neurological-disorders-fibromyalgia-and-chronic-fatigue-syndrome-systematic-review
#18
REVIEW
Tiago Teodoro, Mark J Edwards, Jeremy D Isaacs
BACKGROUND: Functional cognitive disorder (FCD) describes cognitive dysfunction in the absence of an organic cause. It is increasingly prevalent in healthcare settings yet its key neuropsychological features have not been reported in large patient cohorts. We hypothesised that cognitive profiles in fibromyalgia (FM), chronic fatigue syndrome (CFS) and functional neurological disorders (FNDs) would provide a template for characterising FCD. METHODS: We conducted a systematic review of studies with cognition-related outcomes in FM, CFS and FND...
May 7, 2018: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/29734820/family-history-of-alzheimer-s-disease-and-subjective-memory-performance
#19
Robert Haussmann, Steffi Ganske, Antonia Gruschwitz, Annett Werner, Antje Osterrath, Jan Lange, Maria Buthut, Katharina L Donix, Jennifer Linn, Markus Donix
People with a first-degree family history of Alzheimer's disease are at an increased risk of developing dementia. Subjective memory impairment among individuals with no measurable cognitive deficits may also indicate elevated dementia risk. It remains unclear whether nondemented people with a positive family history of Alzheimer's disease are more likely to experience cognitive deficits and whether such an association reflects underlying neuropathology. We therefore investigated subjective memory impairment and hippocampal cortical thickness in 40 healthy older adults and 35 patients with amnestic mild cognitive impairment...
January 1, 2018: American Journal of Alzheimer's Disease and Other Dementias
https://www.readbyqxmd.com/read/29725839/executive-dysfunction-in-patients-with-spinocerebellar-ataxia-type-3
#20
Itaru Tamura, Asako Takei, Shinsuke Hamada, Hiroyuki Soma, Michio Nonaka, Sanae Homma, Fumio Moriwaka
The aim of this study was to assess the cognitive functions of patients with spinocerebellar ataxia type 3(SCA3). We examined 15 patients with genetically confirmed SCA3 and 15 healthy control subjects matched for age, years of education, and intellectual ability. We administered verbal memory (word recall and word recognition) and executive function tasks (word fluency test, forward and backward digit and visual span tests, Kana Pick-out Test, Trail Making Test, and conflicting instructions and a Go/NoGo task from the Frontal Assessment Battery)...
May 3, 2018: Journal of Neurology
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