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Executive dysfunction

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https://www.readbyqxmd.com/read/28922588/persistent-negative-symptoms-in-first-episode-psychosis-early-cognitive-and-social-functioning-correlates-and-differences-between-early-and-adult-onset
#1
Olga Puig, Immaculada Baeza, Elena de la Serna, Bibiana Cabrera, Gisela Mezquida, Miquel Bioque, Antonio Lobo, Ana González-Pinto, Mara Parellada, Iluminada Corripio, Eduard Vieta, Julio Bobes, Judith Usall, Fernando Contreras, Manuel J Cuesta, Miquel Bernardo, Josefina Castro-Fornieles, The PEPs Group
OBJECTIVE: To characterize the early cognitive and social functioning characteristics of a sample of first-episode psychosis patients with and without persistent negative symptoms (PNS) and to examine the prevalence and cognitive and functional correlates of PNS in patients with early-onset versus adult-onset first-episode psychosis. METHODS: Participants were 235 patients with first-episode psychosis (51 early-onset, 184 adult-onset) and 240 healthy controls from a multicenter longitudinal study (recruited between 2009 and 2011)...
September 12, 2017: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/28921780/factors-associated-with-attrition-in-substance-using-patients-enrolled-in-an-intensive-outpatient-program
#2
James Mckowen, Nicholas Carrellas, Courtney Zulauf, Emin Nalan Ward, Ronna Fried, Timothy Wilens
BACKGROUND AND OBJECTIVES: Data suggest individuals with substance use disorders (SUD) have high rates of attrition from treatment and exhibit impairments on measures of executive functioning (EF). The primary aim of this pilot study was to investigate if EF is associated with attrition from a 1 month intensive outpatient program (IOP) for SUD, and examine the feasibility of implementing the project. METHODS: Baseline neurocognitive functioning was assessed by the Cambridge Neuropsychological Test Automated Battery (CANTAB) and the self-reported Behavior Rating Inventory of Executive Functioning (BRIEF-A) questionnaire...
September 18, 2017: American Journal on Addictions
https://www.readbyqxmd.com/read/28921525/comorbid-symptoms-of-inattention-autism-and-executive-cognition-in-youth-with-putative-genetic-risk
#3
Anne B Arnett, Brianna E Cairney, Arianne S Wallace, Jennifer Gerdts, Tychele N Turner, Evan E Eichler, Raphael A Bernier
BACKGROUND: Symptoms of autism spectrum disorder (ASD) and inattention (IA) are highly comorbid and associated with deficits in executive cognition. Cognitive deficits have been posited as candidate endophenotypes of psychiatric traits, but few studies have conceptualized cognitive deficits as psychiatric comorbidities. The latter model is consistent with a latent factor reflecting broader liability to neuropsychological dysfunction, and explains heterogeneity in the cognitive profile of individuals with ASD and IA...
September 18, 2017: Journal of Child Psychology and Psychiatry, and Allied Disciplines
https://www.readbyqxmd.com/read/28921043/slow-wave-activity-and-executive-dysfunction-in-children-with-sleep-disordered-breathing
#4
Jessica A Christiansz, Chloe R Lappin, Aidan J Weichard, Gillian M Nixon, Margot J Davey, Rosemary S C Horne, Sarah N Biggs
PURPOSE: This study aimed to examine slow wave activity (SWA), a marker of homeostatic regulation, as a potential mechanism linking sleep disordered breathing (SDB) with executive dysfunction in children. METHODS: Executive function domains of working memory, spatial planning, information processing, and sustained attention were assessed using the Cambridge Neuropsychological Test Automated Battery (CANTAB) in children (N = 40; 5-12 years) referred for clinical diagnosis of SDB...
September 18, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/28919445/cognitive-effects-of-labeled-addictolytic-medications
#5
REVIEW
Camille Noélie Pujol, Cecilia Paasche, Vincent Laprevote, Benoit Trojak, Pierre Vidailhet, Elisabeth Bacon, Laurence Lalanne
INTRODUCTION: Alcohol, tobacco, and illegal drug usage is pervasive throughout the world, and abuse of these substances is a major contributor to the global disease burden. Many pharmacotherapies have been developed over the last 50years to target addictive disorders. While the efficacy of these pharmacotherapies is largely recognized, their cognitive impact is less known. However, all substance abuse disorders are known to promote cognitive disorders like executive dysfunction and memory impairment...
September 14, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28915647/necroptosis-as-a-potential-therapeutic-target-in-multiple-organ-dysfunction-syndrome
#6
Yao-Li Cui, Li-Hua Qiu, Shi-Yong Zhou, Lan-Fang Li, Zheng-Zi Qian, Xian-Ming Liu, Hui-Lai Zhang, Xiu-Bao Ren, Yong-Qiang Wang
PURPOSE: To investigate how necroptosisis, i.e. programmed necrosis, is involved in MODS, and to examine whether Nec-1, a specific necroptosis inhibitor, ameliorates multiorgan injury in MODS. EXPERIMENTAL DESIGN: A model of MODS was established in six-week old SD rats using fracture trauma followed by hemorrhage. Control animals received sham surgery. Cell death form and necrosome formation were measured by fluorescence-activated cell sorting and western blotting...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28912737/neuropsychological-profile-of-specific-executive-dysfunctions-in-patients-with-deficit-and-non-deficit-schizophrenia
#7
Ernest Tyburski, Justyna Pełka-Wysiecka, Monika Mak, Agnieszka Samochowiec, Przemysław Bieńkowski, Jerzy Samochowiec
Objectives: Although it has been shown that there are more profound deficits present in deficit schizophrenia (DS) patients than in non-deficit schizophrenia (NDS) patients, there still remain some matters requiring further investigation. In this context, we formulated three research aims: (1) to compare executive functions between the investigated groups, (2) to determine the relationship between particular aspects of executive functions within the groups, and (3) to draw up a neuropsychological profile for executive functions...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28912625/cognitive-impairment-in-relapsing-remitting-multiple-sclerosis-patients-with-very-mild-clinical-disability
#8
S Migliore, A Ghazaryan, I Simonelli, P Pasqualetti, F Squitieri, G Curcio, D Landi, M G Palmieri, F Moffa, M M Filippi, F Vernieri
Cognitive dysfunction affects 40-65% of multiple sclerosis (MS) patients and can occur in the early stages of the disease. This study aimed to explore cognitive functions by means of the Italian version of the minimal assessment of cognitive function in MS (MACFIMS) in relapsing-remitting MS (RRMS) patients with very mild clinical disability to identify the primarily involved cognitive functions. Ninety-two consecutive RRMS patients with Expanded Disability Status Scale (EDSS) scores ≤ 2.5 and forty-two healthy controls (HC) were investigated...
2017: Behavioural Neurology
https://www.readbyqxmd.com/read/28912445/cofilin-mediated-neuronal-apoptosis-via-p53-translocation-and-pld1-regulation
#9
Tian Liu, Fang Wang, Patrick LePochat, Jung-A A Woo, Mohammed Zaheen Bukhari, Kyung Woo Hong, Courtney Trotter, David E Kang
Amyloid β (Aβ) accumulation is an early event in the pathogenesis of Alzheimer's disease (AD), leading to mitochondrial and synaptic dysfunction, tau accumulation, and eventual neuronal death. While the p53 apoptotic pathway has clearly been associated with Aβ deposits and neuronal apoptosis, the critical upstream factors contributing to p53 activation in AD are not well understood. We have previously shown that cofilin activation plays a pivotal role in Aβ-induced mitochondrial and synaptic dysfunction...
September 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28906586/equivalent-linear-change-in-cognition-between-individuals-with-bipolar-disorder-and-healthy-controls-over-5%C3%A2-years
#10
Kelly A Ryan, Shervin Assari, Kaley Angers, David F Marshall, Kristin Hinrichs, Rebecca Easter, Pallavi Babu, Bethany D Pester, Scott A Langenecker, Melvin G McInnis
OBJECTIVES: Cognitive dysfunction is a key feature of bipolar disorder (BD). However, not much is known about its temporal stability, as some studies have demonstrated a neurodegenerative model in BD while others have shown no change in cognitive functioning over time. Building upon our prior work, which examined the natural course of executive functioning, the current study aimed to investigate the natural course of memory, emotion processing, and fine motor dexterity over a 5-year period in BD and healthy control (HC) samples...
September 14, 2017: Bipolar Disorders
https://www.readbyqxmd.com/read/28904460/juvenile-myoclonic-epilepsy-with-frontal-executive-dysfunction-is-associated-with-reduced-gray-matter-volume-by-voxel-based-morphometry
#11
Sreeja H Pillai, Sheelakumari Raghavan, Mrudula Mathew, Geetha M Gopalan, Chandrasekharan Kesavadas, Sankara Sarma, Sanjeev V Thomas
OBJECTIVE: Frontal executive dysfunction (FED) and abnormalities in volumetric magnetic resonance imaging (MRI) have been described in juvenile myoclonic epilepsy (JME). We aimed to compare JME patients with and without FED by group analysis of voxel-based morphometric (VBM) estimates of brain volume in MRI. SUBJECTS AND METHODS: We studied frontal executive functions in patients with JME and analyzed the possible association of FED with their demographic, clinical, and electrographic characteristics...
July 2017: Annals of Indian Academy of Neurology
https://www.readbyqxmd.com/read/28902409/binswanger-s-disease-biomarkers-in-the-inflammatory-form-of-vascular-cognitive-impairment-and-dementia
#12
REVIEW
Gary A Rosenberg
Vascular cognitive impairment and dementia (VCID) is a major public health concern because of the increased incidence of vascular disease in the aging population and the impact of vascular disease on Alzheimer's disease. VCID is a heterogeneous group of diseases for which there are no proven treatments. Biomarkers can be used to select more homogeneous populations. Small vessel disease is the most prevalent form of VCID and is the optimal form for treatment trials because there is a progressive course with characteristic pathological changes...
September 13, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28901576/theory-of-mind-in-spina-bifida-relationship-with-intellectual-and-executive-functioning
#13
Jan Stubberud
This article investigates emotion recognition ability, a central aspect of Theory of Mind (ToM), in a group of individuals with spina bifida myelomeningocele (SBM) experiencing executive function deficits, and examine associations between emotion recognition, and intellectual and executive functioning. A total of 38 adult subjects with SBM were included in this study, participating in a randomized controlled trial evaluating the effects of a cognitive rehabilitation intervention for executive dysfunction. Reading the Mind in the Eyes Test (RMET) was used as a measure of emotion recognition, and neuropsychological tests and questionnaires were utilized as executive function measures...
October 2017: Scandinavian Journal of Psychology
https://www.readbyqxmd.com/read/28893552/applicability-of-the-grip-strength-and-automated-von-frey-tactile-sensitivity-tests-in-the-mouse-photothrombotic-model-of-stroke
#14
Faisal F Alamri, Abdullah Al Shoyaib, Abbie Biggers, Srinidhi Jayaraman, Josée Guindon, Vardan T Karamyan
Improvement of impaired neurological function(s) is a primary endpoint in experimental stroke recovery studies, making the choice and nature of the functional tests crucial for proper execution and interpretation of such studies. Currently, there are a limited number of neurological tests which reliably evaluate functional deficit in mice over a long period of time after stroke. In this study, we evaluated the applicability of forepaw grip strength and automated von Frey tactile sensitivity tests to assess forelimb dysfunction in mice following photothrombosis in the sensorimotor cortex, and compared them with two well-established tests, grid-walking and cylinder, for up to 21days after stroke...
September 8, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28888073/selective-decline-of-neurotrophin-and-neurotrophin-receptor-genes-within-ca1-pyramidal-neurons-and-hippocampus-proper-correlation-with-cognitive-performance-and-neuropathology-in-mild-cognitive-impairment-and-alzheimer-s-disease
#15
Stephen D Ginsberg, Michael H Malek-Ahmadi, Melissa J Alldred, Shaoli Che, Irina Elarova, Yinghua Chen, Freddy Jeanneteau, Thorsten M Kranz, Moses V Chao, Scott E Counts, Elliott J Mufson
Hippocampal CA1 pyramidal neurons, a major component of the medial temporal lobe memory circuit, are selectively vulnerable during the progression of Alzheimer's disease (AD). The cellular mechanism(s) underlying degeneration of these neurons and the relationship to cognitive performance remains largely undefined. Here, we profiled neurotrophin and neurotrophin receptor gene expression within microdissected CA1 neurons along with regional hippocampal dissections from subjects who died with a clinical diagnosis of no cognitive impairment (NCI), mild cognitive impairment (MCI), or AD using laser capture microdissection (LCM), custom-designed microarray analysis, and qPCR of CA1 subregional dissections...
September 9, 2017: Hippocampus
https://www.readbyqxmd.com/read/28877102/treadmill-exercise-modifies-dopamine-receptor-expression-in-the-prefrontal-cortex-of-the-1-methyl-4-phenyl-1-2-3-6-tetrahydropyridine-lesioned-mouse-model-of-parkinson-s-disease
#16
Natalie Kintz, Giselle M Petzinger, Michael W Jakowec
Parkinson's disease (PD) is the second most common neurodegenerative disorder for which there is no cure. PD is a dopamine (DA)-deficit disorder marked by progressive motor and nonmotor disturbances, including cognitive impairment. Executive function (EF) is the most common subtype of cognitive impairment in PD and consists of deficits in number of processes including behavioral flexibility. The prefrontal cortex (PFC) is an important brain region subserving EF. Furthermore, DA plays a key neuromodulatory role in the PFC and altered DA neurotransmission is believed to contribute toward EF deficits in PD...
September 4, 2017: Neuroreport
https://www.readbyqxmd.com/read/28874569/dorsolateral-prefrontal-cortex-gaba-deficit-in-older-adults-with-sleep-disordered-breathing
#17
Ana C Pereira, Xiangling Mao, Caroline S Jiang, Guoxin Kang, Sara Milrad, Bruce S McEwen, Ana C Krieger, Dikoma C Shungu
Sleep-disordered breathing (SDB) is a common disorder in aging that is associated with cognitive decline, including significant executive dysfunction, for which the neurobiological underpinnings remain poorly understood. Using proton magnetic resonance spectroscopy (1H MRS), this study assessed whether dysregulation of the homeostatic balance of the major inhibitory and excitatory amino acid neurotransmitter systems of γ-aminobutyric acid (GABA) and glutamate, respectively, play a role in SDB. Levels of GABA and those of the combined resonances of glutamate and glutamine (Glx), were measured by 1H MRS in the left dorsolateral prefrontal cortex (l-DLPFC) and bilateral hippocampal regions of 19 older adults (age ± SD: 66...
September 5, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28872037/executive-dysfunctions-as-a-good-predictor-of-misuse-of-respiratory-inhalers-among-hospitalized-patients-a-prospective-survey
#18
Lucie Voulhoux, Gérald Cremer, Anne Spinewine, Marie de Saint-Hubert, Fabienne Amant, Carine Sohy, Didier Schoevaerdts
The objectives of the study are to determine the prevalence and potential risk factors of misuse of respiratory inhalers among hospitalized patients admitted at the CHU UcL Namur, site Godinne. Using a cross-sectional design, patients using respiratory inhalers since more than 7 days were recruited from a database established by the hospital pharmacy. Inhaler technique was assessed using a standardised check-list and graded misuse as major or minor errors using previously published criteria. Demographic and clinical data were prospectively collected using standardised tools...
September 1, 2017: Gériatrie et Psychologie Neuropsychiatrie du Vieillissement
https://www.readbyqxmd.com/read/28870707/interventions-to-improve-%C3%AE-cell-mass-and-function
#19
Prosenjit Mondal, Amit Prasad, Khyati Girdhar
Diabetes mellitus (T2DM) has become an epidemiologically important disease worldwide and is also becoming a great matter of concern due to the effects associated with it like: high morbidity, elevated health care cost and shortened life span. T2DM is a chronic metabolic disease characterized by insulin resistance as well as β-cell dysfunction. It is widely accepted that in the face of insulin resistance, euglycemia can be maintained by increase in pancreatic β-cell mass and insulin secretion. This compensation is largely due to enhanced secretion of insulin by the β-cell mass, which is present initially, and thereby subsequent increases in β-cell mass provide additional insulin secretion...
September 1, 2017: Annales D'endocrinologie
https://www.readbyqxmd.com/read/28870563/executive-dysfunction-behavioral-changes-and-quality-of-life-in-chinese-patients-with-progressive-supranuclear-palsy
#20
Ruwei Ou, Hui Liu, Yanbing Hou, Qianqian Wei, Bei Cao, Bi Zhao, Huifang Shang
OBJECTIVES: To explore the prevalence and clinical correlates of executive impairment and behavioral changes, and the determinants of health-related quality of life (HRQoL) in Chinese patients with progressive supranuclear palsy (PSP). METHODS: This cross-sectional study included 52 patients with PSP. The frontal assessment battery (FAB) was used to assess executive function, while the frontal behavioral inventory (FBI) and Neuropsychiatry Inventory (NPI) were used to assess behavioral changes...
September 15, 2017: Journal of the Neurological Sciences
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