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https://www.readbyqxmd.com/read/29156690/abnormal-amplitude-of-low-frequency-fluctuations-associated-with-rapid-eye-movement-in-chronic-primary-insomnia-patients
#1
Qian Ran, Jia Chen, Chuan Li, Li Wen, Faguo Yue, Tongsheng Shu, Jianxun Mi, Guangxian Wang, Lei Zhang, Dong Gao, Dong Zhang
Purpose: Chronic primary insomnia (CPI) is the most prevalent sleep disorder worldwide. CPI manifests as difficulties in sleep onset, maintaining sleep, prolonged sleep latency, and daytime impairment and is often accompanied by cognitive problems such as poor academic performance, poor attention, and decreased memory. The most popular explanation of insomnia is hyperarousal or increased activities of neurons. Rapid eye movement (REM) sleep detected by polysomnography (PSG) exhibits a positive relationship with brain homeostasis and can be helpful for optimally preparing an organism for emotional and social function...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156036/new-nomenclature-clarion-call-or-siren-song-reply-to-perioperative-cognitive-disorders
#2
A Aranake-Chrisinger, M S Avidan
No abstract text is available yet for this article.
December 1, 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/29156035/perioperative-cognitive-disorders-response-to-postoperative-delirium-portends-descent-to-dementia
#3
L Evered, R G Eckenhoff
No abstract text is available yet for this article.
December 1, 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/29155979/epigenetic-editing-of-the-dlg4-psd95-gene-improves-cognition-in-aged-and-alzheimer-s-disease-mice
#4
Fernando J Bustos, Estibaliz Ampuero, Nur Jury, Rodrigo Aguilar, Fahimeh Falahi, Jorge Toledo, Juan Ahumada, Jaclyn Lata, Paula Cubillos, Berta Henríquez, Miguel V Guerra, Jimmy Stehberg, Rachael L Neve, Nibaldo C Inestrosa, Ursula Wyneken, Marco Fuenzalida, Steffen Härtel, Miguel Sena-Esteves, Lorena Varela-Nallar, Marianne G Rots, Martin Montecino, Brigitte van Zundert
The Dlg4 gene encodes for post-synaptic density protein 95 (PSD95), a major synaptic protein that clusters glutamate receptors and is critical for plasticity. PSD95 levels are diminished in ageing and neurodegenerative disorders, including Alzheimer's disease and Huntington's disease. The epigenetic mechanisms that (dys)regulate transcription of Dlg4/PSD95, or other plasticity genes, are largely unknown, limiting the development of targeted epigenome therapy. We analysed the Dlg4/PSD95 epigenetic landscape in hippocampal tissue and designed a Dlg4/PSD95 gene-targeting strategy: a Dlg4/PSD95 zinc finger DNA-binding domain was engineered and fused to effector domains to either repress (G9a, Suvdel76, SKD) or activate (VP64) transcription, generating artificial transcription factors or epigenetic editors (methylating H3K9)...
November 16, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/29155938/cerebral-autoregulation-in-cardiopulmonary-bypass-surgery-a-systematic-review
#5
Juliana R Caldas, Victoria J Haunton, Ronney B Panerai, Ludhmila A Hajjar, Thompson G Robinson
Cardiopulmonary bypass surgery is associated with a high incidence of neurological complications, including stroke, delirium and cognitive impairment. The development of strategies to reduce the incidence of such neurological events has been hampered by the lack of a clear understanding of their pathophysiology. Cerebral autoregulation (CA), which describes the ability of the brain to maintain a stable cerebral blood flow over a wide range of cerebral perfusion pressures despite changes in blood pressure, is known to be impaired in various neurological disorders...
November 16, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29155855/iron-status-and-anaemia-in-sri-lankan-secondary-school-children-a-cross-sectional-survey
#6
Angela Allen, Stephen Allen, Rexan Rodrigo, Lakshman Perera, Wei Shao, Chao Li, Duolao Wang, Nancy Olivieri, David J Weatherall, Anuja Premawardhena
BACKGROUND: Iron deficiency, the most common micronutrient disorder and cause of anaemia globally, impairs growth, cognition, behaviour and resistance to infection. METHODS/RESULTS: As part of a national survey of inherited haemoglobin variants in 7526 students from 72 secondary schools purposefully selected from the 25 districts of Sri Lanka, we studied 5912 students with a normal haemoglobin genotype. Median age was 16.0 (IQR 15.0-17.0) years and 3189 (53.9%) students were males...
2017: PloS One
https://www.readbyqxmd.com/read/29155047/novel-mosaic-variants-in-two-patients-with-cornelia-de-lange-syndrome
#7
Jelena Pozojevic, Ilaria Parenti, Luitgard Graul-Neumann, Sara Ruiz Gil, Erwan Watrin, Kerstin S Wendt, Ralf Werner, Tim M Strom, Gabriele Gillessen-Kaesbach, Frank J Kaiser
Cornelia de Lange syndrome (CdLS) is a dominantly inherited developmental disorder caused by mutations in genes that encode for either structural (SMC1A, SMC3, RAD21) or regulatory (NIPBL, HDAC8) subunits of the cohesin complex. NIPBL represents the major gene of the syndrome and heterozygous mutations can be identified in more than 65% of patients. Interestingly, large portions of these variants were described as somatic mosaicism and often escape standard molecular diagnostics using lymphocyte DNA. Here we discuss the role of somatic mosaicism in CdLS and describe two additional patients with NIPBL mosaicism detected by targeted gene panel or exome sequencing...
November 15, 2017: European Journal of Medical Genetics
https://www.readbyqxmd.com/read/29154800/the-use-of-model-fish-as-tools-for-research-the-biological-mechanisms-of-cooperative-behaviour-a-future-for-translational-research-concerning-social-anxiety-disorders
#8
REVIEW
Marta C Soares, Sónia C Cardoso, Tamires Dos Santos Carvalho, Caio Maximino
Human societies demand of its composing members the development of a wide array of social tools and strategies. A notable example is human outstanding ability to cooperate with others, in all its complex forms, depicting the reality of a highly demanding social framework in which humans need to be integrated as to attain physical and mental benefits. Considering the importance of social engagement, it's not entirely unexpected that most psychiatric disorders involve some disruption of normal social behaviour, ranging from an abnormal absence to a significant increase of social functioning...
November 14, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/29154612/alexithymia-is-associated-with-a-multidomain-multidimensional-failure-of-interoception-evidence-from-novel-tests
#9
Jennifer Murphy, Caroline Catmur, Geoffrey Bird
Interoception, the perception of the body's internal state, contributes to numerous aspects of higher-order cognition. Several theories suggest a causal role for atypical interoception in specific psychiatric disorders, including a recent claim that atypical interoception represents a transdiagnostic impairment across disorders characterized by reduced perception of one's own emotion (alexithymia). Such theories are supported predominantly by evidence from only one interoceptive domain (cardiac); however, evidence of domain-specific interoceptive ability highlights the need to assess interoception in noncardiac domains...
November 20, 2017: Journal of Experimental Psychology. General
https://www.readbyqxmd.com/read/29154567/faces-and-facets-the-variability-of-emotion-recognition-in-psychopathy-reflects-its-affective-and-antisocial-features
#10
Artemis Igoumenou, Catherine J Harmer, Min Yang, Jeremy W Coid, Robert D Rogers
Psychopathy consists of a constellation of affective-interpersonal features including lack of empathy, callousness, manipulativeness and interpersonal charm, impulsiveness and irresponsibility. Despite its theoretical and predictive value in forensic contexts, the relationships between the psychometric dimensions of psychopathy, including its antisocial features, and the construct's neuropsychological characteristics remain uncertain. In this study, 685 personality-disordered prisoners with histories of serious violent or sexual offenses were assessed for psychopathy before completing a computerized and well-validated assessment of the ability to recognize emotional expressions in the face...
November 2017: Journal of Abnormal Psychology
https://www.readbyqxmd.com/read/29154553/a-randomized-trial-of-female-specific-cognitive-behavior-therapy-for-alcohol-dependent-women
#11
Elizabeth E Epstein, Barbara S McCrady, Kevin A Hallgren, Sharon Cook, Noelle K Jensen, Thomas Hildebrandt
This study compared Female-Specific Cognitive Behavioral Therapy (FS-CBT) to evidence-based, gender-neutral CBT (GN-CBT; Epstein & McCrady, 2009) for women with alcohol use disorder (AUD). Women (N = 99) with AUD, mean age 48, were randomly assigned to 12 outpatient manual-guided sessions of FS-CBT (n = 44) or GN-CBT (n = 55). Women were assessed at baseline and 3, 9 and 15 months after baseline for drinking and for specific issues common among women with AUD. A FS-CBT protocol was developed that was discriminable on treatment integrity ratings from GN-CBT...
November 20, 2017: Psychology of Addictive Behaviors: Journal of the Society of Psychologists in Addictive Behaviors
https://www.readbyqxmd.com/read/29154389/latent-autoimmune-diabetes-and-limbic-encephalitis-with-antibodies-against-glutamic-acid-decarboxylase
#12
Stoyan Popkirov, Seena Sebastian, Fatme Seval Ismail, Jörg Wellmer
Antibodies against glutamic acid decarboxylase (GAD) are a hallmark of type 1 diabetes and its late-onset variant, latent autoimmune diabetes of the adult (LADA).(1) While cerebrovascular disease and dementia are common causes of cognitive dysfunction and neurological deficits in diabetic patients,(2,3) rare autoimmune disorders of the central nervous system such as stiff-person syndrom or limbic encephalits can also occur on the basis of shared GAD autoimmunity.(4,5).
November 20, 2017: Journal of Diabetes
https://www.readbyqxmd.com/read/29154203/unbending-mind-individuals-with-hoarding-disorder-do-not-modify-decision-strategy-in-response-to-feedback-under-risk
#13
Helen Pushkarskaya, David F Tolin, Daniel Henick, Ifat Levy, Christopher Pittenger
Cognitive-behavioral models of hoarding disorder emphasize impairments in information processing and decision making in the genesis of hoarding symptomology. We propose and test the novel hypothesis that individuals with hoarding are maladaptively biased towards a deliberative decision style. While deliberative strategies are often considered normative, they are not always adaptable to the limitations imposed by many real-world decision contexts. We examined decision-making patterns in 19 individuals with hoarding and 19 healthy controls, using a behavioral task that quantifies selection of decision strategies in a novel environment with known probabilities (risk) in response to feedback...
November 2, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/29154158/the-prevalence-reporting-and-treatment-of-anxiety-among-older-adults-in-nursing-homes-and-other-residential-aged-care-facilities
#14
Alexandra S Creighton, Tanya E Davison, David W Kissane
BACKGROUND: Little is known about anxiety in aged care populations, despite its increase in this frail population. This study investigated the prevalence, recording, and treatment rate of anxiety disorders among aged care residents. METHODS: A cross-sectional, observational design was used to assess 180 elderly residents from 12 aged care facilities in Melbourne, Australia. Participants were assessed for threshold and subthreshold anxiety disorders and comorbid depression using the MINI for DSM-5...
November 10, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29154155/the-dynamic-characteristics-of-the-anterior-cingulate-cortex-in-resting-state-fmri-of-patients-with-depression
#15
Hongna Zheng, Feng Li, Qijing Bo, Xianbin Li, Li Yao, Zhijun Yao, Chuanyue Wang, Xia Wu
BACKGROUND: The anterior cingulate cortex (ACC) is part of the limbic system of the brain. It is a bridge between attentional and emotional processing, which is responsible for the integration of visceral, attentional, and affective information. Lesioning of the ACC, which produces striking changes, is used to treat major depression disorder (MDD). Moreover, the brain dynamically integrates and coordinates functions of its different subparts to realize its cognitive capability. Hence, the spatio-temporal community distribution of the ACC is necessary to completely understand MDD...
November 8, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29154148/the-relationship-between-executive-functions-and-emotion-regulation-in-females-attending-therapeutic-community-treatment-for-substance-use-disorder
#16
Ely M Marceau, Peter J Kelly, Nadia Solowij
BACKGROUND: Difficulties in emotion regulation influence the development of substance use disorder (SUD), its severity, course, treatment outcomes, and relapse. Impaired executive functions (EFs) are common in SUD populations and may relate to emotion dysregulation. The current study tested whether performance on three basic EF tasks ('working memory', 'inhibition', and 'task-switching') and/or inventory-based assessment of EF were related to difficulties in emotion regulation in females attending residential SUD therapeutic community treatment...
November 12, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/29154038/dna-damage-and-neurodegenerative-phenotypes-in-aged-ciz1-null-mice
#17
Mohammad Moshahid Khan, Jianfeng Xiao, Damini Patel, Mark S LeDoux
Cell-cycle dysfunction and faulty DNA repair are closely intertwined pathobiological processes that may contribute to several neurodegenerative disorders. CDKN1A interacting zinc finger protein 1 (CIZ1) plays a critical role in DNA replication and cell-cycle progression at the G1/S checkpoint. Germline or somatic variants in CIZ1 have been linked to several neural and extra-neural diseases. Recently, we showed that germline knockout of Ciz1 is associated with motor and hematological abnormalities in young adult mice...
November 16, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/29153996/clinical-presentation-of-anti-n-methyl-d-aspartate-receptor-and-anti-voltage-gated-potassium-channel-complex-antibodies-in-children-a-series-of-24-cases
#18
Bahadir Konuskan, Mirac Yildirim, Haluk Topaloglu, Ilknur Erol, Ulkuhan Oztoprak, Huseyin Tan, Rahsan Gocmen, Banu Anlar
OBJECTIVE: The symptomatology and paraclinical findings of antibody-mediated encephalitis, a relatively novel disorder, are still being characterized in adults and children. A high index of suspicion is needed in order to identify these cases among children presenting with various neurological symptoms. The aim of this study is to examine the clinical, demographic and laboratory findings and outcome of children with anti-NMDAR and anti-VGKC encephalitis for any typical or distinctive features...
November 7, 2017: European Journal of Paediatric Neurology: EJPN
https://www.readbyqxmd.com/read/29153989/psen1-mutant-ipsc-derived-model-reveals-severe-astrocyte-pathology-in-alzheimer-s-disease
#19
Minna Oksanen, Andrew J Petersen, Nikolay Naumenko, Katja Puttonen, Šárka Lehtonen, Max Gubert Olivé, Anastasia Shakirzyanova, Stina Leskelä, Timo Sarajärvi, Matti Viitanen, Juha O Rinne, Mikko Hiltunen, Annakaisa Haapasalo, Rashid Giniatullin, Pasi Tavi, Su-Chun Zhang, Katja M Kanninen, Riikka H Hämäläinen, Jari Koistinaho
Alzheimer's disease (AD) is a common neurodegenerative disorder and the leading cause of cognitive impairment. Due to insufficient understanding of the disease mechanisms, there are no efficient therapies for AD. Most studies have focused on neuronal cells, but astrocytes have also been suggested to contribute to AD pathology. We describe here the generation of functional astrocytes from induced pluripotent stem cells (iPSCs) derived from AD patients with PSEN1 ΔE9 mutation, as well as healthy and gene-corrected isogenic controls...
November 12, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/29152825/feasibility-study-combining-art-therapy-or-cognitive-remediation-therapy-with-family-based-treatment-for-adolescent-anorexia-nervosa
#20
James Lock, Kathleen Kara Fitzpatrick, William S Agras, Noam Weinbach, Booil Jo
Adolescents with anorexia nervosa who have obsessive-compulsive (OC) features respond poorly to family-based treatment (FBT). This study evaluated the feasibility of combining FBT with either cognitive remediation therapy (CRT) or art therapy (AT) to improve treatment response in this at-risk group. Thirty adolescents with anorexia nervosa and OC features were randomized to 15 sessions of FBT + CRT or AT. Recruitment rate was 1 per month, and treatment attrition was 16.6% with no differences between groups...
November 20, 2017: European Eating Disorders Review: the Journal of the Eating Disorders Association
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