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Executive Function Disorder

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https://www.readbyqxmd.com/read/28818755/biochemical-abnormalities-in-basal-ganglia-and-executive-dysfunction-in-acute-and-euthymic-episode-patients-with-bipolar-disorder-a-proton-magnetic-resonance-spectroscopy-study
#1
Shunkai Lai, Shuming Zhong, Xiaoxiao Liao, Ying Wang, Jingyu Huang, Shanhong Zhang, Yao Sun, Hui Zhao, Yanbin Jia
BACKGROUND: Recent studies found abnormal biochemical metabolism and executive cognitive deficits in acute bipolar disorder (BD). However, the evidence concerning in euthymic BD is limited. Thus, a comparison between acute and euthymic BD is conductive to better understanding the association between cognition and the outcome of neuroimaging. This study sought to investigate the relationship between the executive function and the biochemical metabolism in acute- and euthymic-episode BD patients and delineate the prominent endophenotype of BD...
July 25, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28814870/abnormal-intrinsic-functional-hubs-in-alcohol-dependence-evidence-from-a-voxelwise-degree-centrality-analysis
#2
Xiaoping Luo, Linghong Guo, Xi-Jian Dai, Qinglai Wang, Wenzhong Zhu, Xinjun Miao, Honghan Gong
OBJECTIVE: To explore the abnormal intrinsic functional hubs in alcohol dependence using voxelwise degree centrality analysis approach, and their relationships with clinical features. MATERIALS AND METHODS: Twenty-four male alcohol dependence subjects free of medicine (mean age, 50.21±9.62 years) and 24 age- and education-matched male healthy controls (mean age, 50.29±8.92 years) were recruited. The alcohol use disorders identification test and the severity of alcohol dependence questionnaire (SADQ) were administered to assess the severity of alcohol craving...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28809852/the-snp-set-based-association-study-identifies-itga1-as-a-susceptibility-gene-of-attention-deficit-hyperactivity-disorder-in-han-chinese
#3
L Liu, L Zhang, H M Li, Z R Wang, X F Xie, J P Mei, J L Jin, J Shi, L Sun, S C Li, Y L Tan, L Yang, J Wang, H M Yang, Q J Qian, Y F Wang
Genome-wide association studies, which detect the association between single-nucleotide polymorphisms (SNPs) and disease susceptibility, have been extensively applied to study attention-deficit/hyperactivity disorder (ADHD), but genome-wide significant associations have not been found yet. Genetic heterogeneity and insufficient genomic coverage may account for the missing heritability. We performed a two-stage association study for ADHD in the Han Chinese population. In the discovery stage, 1033 ADHD patients and 950 healthy controls were genotyped using both the Affymetrix Genome-Wide Human SNP Array 6...
August 15, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28809834/quantifying-infra-slow-dynamics-of-spectral-power-and-heart-rate-in-sleeping-mice
#4
Laura M J Fernandez, Sandro Lecci, Romain Cardis, Gil Vantomme, Elidie Béard, Anita Lüthi
Three vigilance states dominate mammalian life: wakefulness, non-rapid eye movement (non-REM) sleep, and REM sleep. As more neural correlates of behavior are identified in freely moving animals, this three-fold subdivision becomes too simplistic. During wakefulness, ensembles of global and local cortical activities, together with peripheral parameters such as pupillary diameter and sympathovagal balance, define various degrees of arousal. It remains unclear the extent to which sleep also forms a continuum of brain states-within which the degree of resilience to sensory stimuli and arousability, and perhaps other sleep functions, vary gradually-and how peripheral physiological states co-vary...
August 2, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28809658/impact-of-the-cognitive-functional-cog-fun-intervention-on-executive-functions-and-participation-among-children-with-attention-deficit-hyperactivity-disorder-a-randomized-controlled-trial
#5
Jeri Hahn-Markowitz, Itai Berger, Iris Manor, Adina Maeir
OBJECTIVE: We examined the effect of the Cognitive-Functional (Cog-Fun) occupational therapy intervention on executive functions and participation among children with attention deficit hyperactivity disorder (ADHD). METHOD: We used a randomized, controlled study with a crossover design. One hundred and seven children age 7-10 yr diagnosed with ADHD were allocated to treatment or wait-list control group. The control group received treatment after a 3-mo wait. Outcome measures included the Behavior Rating Inventory of Executive Function (BRIEF) and the Canadian Occupational Performance Measure (COPM)...
September 2017: American Journal of Occupational Therapy: Official Publication of the American Occupational Therapy Association
https://www.readbyqxmd.com/read/28807887/an-integrative-system-biology-approach-to-unravel-potential-drug-candidates-for-multiple-age-related-disorders
#6
Isha Srivastava, Pooja Khurana, Mohini Yadav, Yasha Hasija
Aging, though an inevitable part of life, is becoming a worldwide social and economic problem. Healthy aging is usually marked by low probability of age related disorders. Good therapeutic approaches are still in need to cure age related disorders. Occurrence of more than one ARD in an individual, expresses the need of discovery of such target proteins, which can affect multiple ARDs. Advanced scientific and medical research technologies throughout last three decades have arrived to the point where lots of key molecular determinants affect human disorders can be examined thoroughly...
August 11, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28800514/the-relationship-between-executive-functions-and-fluid-intelligence-in-euthymic-bipolar-disorder-patients
#7
Belén Goitia, Facundo Manes, Teresa Torralva, Mariano Sigman, John Duncan, Marcelo Cetkovich, María Roca
Distinct cognitive deficits have been described in Bipolar disorder (BD), including executive impairments, commonly attributed to frontal dysfunction. However, recent attention has been paid to the heterogeneity of cognitive functioning in this population, suggesting that the executive deficits observed in BD might be due to a loss in fluid intelligence (g). Following our previous line of investigation in multiple neurological and psychiatric conditions we aimed at determining the role of g in frontal deficits in BD...
August 1, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28800423/relationship-of-executive-functioning-deficits-to-n-acetyl-aspartate-naa-and-gamma-aminobutyric-acid-gaba-in-youth-with-bipolar-disorder
#8
Rebekah S Huber, Douglas G Kondo, Xian-Feng Shi, Andrew P Prescot, Elaine Clark, Perry F Renshaw, Deborah A Yurgelun-Todd
BACKGROUND: Although cognitive deficits in bipolar disorder (BD) have been repeatedly observed, our understanding of these impairments at a mechanistic level remains limited. Few studies that investigated cognitive impairments in bipolar illness have examined the association with brain biochemistry. This pilot study utilized proton magnetic resonance spectroscopy ((1)H-MRS) to evaluate the relationship between neurocognitive performance and brain metabolites in youth with BD. METHODS: Thirty participants, twenty depressed BD participants and ten healthy comparison participants, ages 13-21, completed mood and executive function measures...
August 1, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28800281/attentional-lapses-in-attention-deficit-hyperactivity-disorder-blank-rather-than-wandering-thoughts
#9
Charlotte Van den Driessche, Mikaël Bastian, Hugo Peyre, Coline Stordeur, Éric Acquaviva, Sara Bahadori, Richard Delorme, Jérôme Sackur
People with attention-deficit/hyperactivity disorder (ADHD) have difficulties sustaining their attention on external tasks. Such attentional lapses have often been characterized as the simple opposite of external sustained attention, but the different types of attentional lapses, and the subjective experiences to which they correspond, remain unspecified. In this study, we showed that unmedicated children (ages 6-12) with ADHD, when probed during a standard go/no-go task, reported more mind blanking (a mental state characterized by the absence of reportable content) than did control participants...
August 1, 2017: Psychological Science
https://www.readbyqxmd.com/read/28797920/prefrontal-activation-during-a-working-memory-task-differs-between-patients-with-unipolar-and-bipolar-depression-a-preliminary-exploratory-study
#10
Yue Zhu, Wenxiang Quan, Huali Wang, Yantao Ma, Jun Yan, Hua Zhang, Wentian Dong, Xin Yu
BACKGROUND: To identify bipolar disorder during the initial stages of a depressive episode has always been a great clinical challenge. Patterns of functional brain activity may underlie the differences in the neural mechanisms of bipolar depression (BD) and unipolar depression (UD). This study aimed to investigate the differences in neural activity between BD and UD patients during executive task. METHODS: We performed a 52-channel near-infrared spectroscopy (NIRS) scan in 39 patients with BD, 35 patients with UD, and 36 healthy controls (HCs)...
July 18, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28797564/impact-of-anxiety-apathy-and-reduced-functional-autonomy-on-perceived-quality-of-life-in-parkinson-s-disease
#11
Alfonsina D'Iorio, Carmine Vitale, Fausta Piscopo, Chiara Baiano, Anna Paola Falanga, Katia Longo, Marianna Amboni, Paolo Barone, Gabriella Santangelo
INTRODUCTION: Parkinson's disease (PD) is characterized by a wide spectrum of non-motor symptoms that may impact negatively on the activities of the patient's daily life and reduce Health-related quality of life (HRQoL). The present study explored the impact of specific non-motor symptoms on the HRQoL in PD. METHODS: Eighty-four outpatients underwent the Montreal Cognitive Assessment (MoCA) assessing global functioning and several questionnaires to assess depression, apathy, impulse control disorders (ICD), anxiety, anhedonia and functional impact of cognitive impairment...
August 5, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28796950/age-related-differences-in-neuropsychological-assessment-of-fetal-alcohol-spectrum-disorder-a-cross-sectional-study
#12
Nicole Taylor, Leah Enns
This cross-sectional study examined six key areas of neuropsychological functioning (cognitive, academic, attention, executive function, adaptive skills) comparing adolescents and school-age children with prenatal alcohol exposure (PAE). The aims were: (1) to examine which neuropsychological measures were predictive of an FASD diagnosis in adolescents and school-age children with PAE, and (2) to compare the neuropsychological performance of adolescents and children diagnosed with FASD. Hierarchical logistic regressions determined that the Full-Scale IQ, Verbal Comprehension and Perceptual Reasoning indices, basic reading and math skills, adaptive functioning at school, and components of executive functioning (dependent on age) improved the probability of an accurate FASD diagnosis in both groups: 9...
August 10, 2017: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/28794670/acceptance-and-commitment-therapy-for-clients-institutionalized-for-severe-substance-use-disorder-a-pilot-study
#13
Gabriella Svanberg, Ingrid Munck, Maria Levander
BACKGROUND: Individuals with substance-use disorder (SUD) often have co-occurring mental health disorders and decreased executive function, both of which are barriers to sustained rehabilitation. Clients with severe SUD can be institutionalized in The Swedish National Board of Institutional Care but are difficult to engage and dropout rates remain high. Recent studies suggest that acceptance and commitment therapy (ACT) is an effective treatment for mental health and SUD. OBJECTIVES: The overall aims of the present pilot study were to explore a manual-based ACT intervention for clients institutionalized for severe SUD and to describe the effects on mental health, psychological flexibility, and executive function...
2017: Substance Abuse and Rehabilitation
https://www.readbyqxmd.com/read/28792672/constitutive-loss-and-acute-pharmacological-manipulation-of-erbb4-signaling-do-not-affect-attention-and-inhibitory-control-in-mice
#14
Elena Marchisella, Ruud Wijnands, Bastijn Koopmans, Sabine Spijker, Maarten Loos
The receptor tyrosine kinase ErbB4 and its ligand trophic factors of the neuregulin (NRG) family have been associated with schizophrenia and other mental disorders in human genetic studies. In vivo studies in mice have shown how abnormal Nrg-ErbB4 signaling leads to deviant behaviors relevant to distinct aspects of schizophrenia, including hyperactivity, sensory gating deficits, working and spatial memory deficits and impaired social behavior. However, so far little is known on the role of ErbB4 in attention and inhibitory control, two aspects of executive functions that are impaired in schizophrenia...
August 9, 2017: Genes, Brain, and Behavior
https://www.readbyqxmd.com/read/28792571/-improving-population-mental-health-by-integrating-mental-health-care-into-primary-care
#15
Matthew Menear, Michel Gilbert, Marie-Josée Fleury
Objective The objectives of this review were to identify and compare major international initiatives aiming to integrate mental health services in primary care and to summarize the lessons learned for similar integration efforts in the province of Quebec, Canada.Methods We conducted a narrative review of the literature guided by a conceptual framework drawn from the literature on integrated care. We identified relevant initiatives to support primary mental health care integration through Pubmed searches and through previous systematic reviews on this topic...
2017: Santé Mentale Au Québec
https://www.readbyqxmd.com/read/28792291/executive-function-in-cancer-patients-with-posttraumatic-stress-disorder
#16
Juan Yang, Juncheng Guo, Xiangling Jiang
Background Cancer patients with posttraumatic stress disorder can lead to their noncompliant behaviors. However, less is known about the neurocognitive functioning of posttraumatic stress disorder in general cancer types or patient populations. The current study attempted to examine the prevalence of posttraumatic stress disorder and their relationships with executive function in individuals with cancer. Methods A total of 285 cancer patients with posttraumatic stress disorder and 150 healthy individuals were recruited for the present study...
March 2017: International Journal of Psychiatry in Medicine
https://www.readbyqxmd.com/read/28790899/sensory-processing-in-the-dorsolateral-striatum-the-contribution-of-thalamostriatal-pathways
#17
Kevin D Alloway, Jared B Smith, Todd M Mowery, Glenn D R Watson
The dorsal striatum has two functionally-defined subdivisions: a dorsomedial striatum (DMS) region involved in mediating goal-directed behaviors that require conscious effort, and a dorsolateral striatum (DLS) region involved in the execution of habitual behaviors in a familiar sensory context. Consistent with its presumed role in forming stimulus-response (S-R) associations, neurons in DLS receive massive inputs from sensorimotor cortex and are responsive to both active and passive sensory stimulation. While several studies have established that corticostriatal inputs contribute to the stimulus-induced responses observed in the DLS, there is growing awareness that the thalamus has a significant role in conveying sensory-related information to DLS and other parts of the striatum...
2017: Frontiers in Systems Neuroscience
https://www.readbyqxmd.com/read/28789589/classification-of-cognitive-performance-in-bipolar-disorder
#18
Timea Sparding, Katja Silander, Erik Pålsson, Josefin Östlind, Carl Johan Ekman, Carl M Sellgren, Erik Joas, Stefan Hansen, Mikael Landén
OBJECTIVE: To understand the etiology of cognitive impairment associated with bipolar disorder, we need to clarify potential heterogeneity in cognitive functioning. To this end, we used multivariate techniques to study if the correlation structure of cognitive abilities differs between persons with bipolar disorder and controls. METHOD: Clinically stable patients with bipolar disorder (type I: n = 64; type II: n = 44) and healthy controls (n = 86) were assessed with a wide range of cognitive tests measuring executive function, speed, memory, and verbal skills...
August 9, 2017: Cognitive Neuropsychiatry
https://www.readbyqxmd.com/read/28781731/neuropsychological-functioning-in-obsessive-compulsive-washers-drug-naive-without-depressive-symptoms
#19
Ali Akbar Saremi, Seyed Vahid Shariat, Mohammad Ali Nazari, Behrooz Dolatshahi
INTRODUCTION: Obsessive-Compulsive Disorder (OCD) is a complex and heterogeneous neuropsychiatric syndrome. Contamination obsessions and washing/cleaning compulsions are the most frequent clinical OCD subtypes. The current study aimed at examining the neuropsychological impairments in drug-naive obsessive-compulsive (OC) washers without depressive symptoms and their association with the severity of symptoms. METHODS: In the current causal-comparative study, 35 patients with diagnostic and statistical mental disorders class (DSM)-IV diagnosed with washing-subtype OCD and 35 healthy subjects were selected by the convenience sampling method and evaluated by computerized neuropsychology battery and clinical tests as Stroop Color-Word Test (SCWT), Wisconsin Card Sorting Test (WCST), Go/No-Go Test, Digits Forward (DF), Digits Backward (DB), Yale-Brown Obsessive-Compulsive Scale (Y-BOCS), Beck Depression Inventory (BDI), Beck Anxiety Inventory (BAI), and General Health Questionnaire (GHQ)-28...
May 2017: Basic and Clinical Neuroscience
https://www.readbyqxmd.com/read/28776207/long-term-follow-up-of-cognition-and-mental-health-in-adult-phenylketonuria-a-pku-cobeso-study
#20
Rianne Jahja, Francjan J van Spronsen, Leo M J de Sonneville, Jaap J van der Meere, Annet M Bosch, Carla E M Hollak, M Estela Rubio-Gozalbo, Martijn C G J Brouwers, Floris C Hofstede, Maaike C de Vries, Mirian C H Janssen, Ans T van der Ploeg, Janneke G Langendonk, Stephan C J Huijbregts
Cognitive and mental health problems in individuals with the inherited metabolic disorder phenylketonuria (PKU) have often been associated with metabolic control and its history. For the present study executive functioning (EF) was assessed in 21 PKU patients during childhood (T1, mean age 10.4 years, SD = 2.0) and again in adulthood (T2, mean age 25.8 years, SD = 2.3). At T2 additional assessments of EF in daily life and mental health were performed. Childhood (i.e. 0-12 years) blood phenylalanine was significantly related to cognitive flexibility, executive motor control, EF in daily life and mental health in adulthood (i...
August 3, 2017: Behavior Genetics
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