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https://www.readbyqxmd.com/read/27913387/using-multivariate-base-rates-to-interpret-low-scores-on-an-abbreviated-battery-of-the-delis-kaplan-executive-function-system
#1
Justin E Karr, Mauricio A Garcia-Barrera, James A Holdnack, Grant L Iverson
OBJECTIVE: Executive function consists of multiple cognitive processes that operate as an interactive system to produce volitional goal-oriented behavior, governed in large part by frontal microstructural and physiological networks. Identification of deficits in executive function in those with neurological or psychiatric conditions can be difficult because the normal variation in executive function test scores, in healthy adults when multiple tests are used, is largely unknown. This study addresses that gap in the literature by examining the prevalence of low scores on a brief battery of executive function tests...
December 1, 2016: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/27911295/efficacy-and-safety-of-plasma-exchange-with-5-albumin-to-modify-cerebrospinal-fluid-and-plasma-amyloid-%C3%AE-concentrations-and-cognition-outcomes-in%C3%A2-alzheimer-s-disease-patients-a%C3%A2-multicenter-randomized-controlled-clinical-trial
#2
Mercè Boada, Fernando Anaya, Pilar Ortiz, Javier Olazarán, Joshua R Shua-Haim, Thomas O Obisesan, Isabel Hernández, Joan Muñoz, Mar Buendia, Montserrat Alegret, Asunción Lafuente, Lluís Tárraga, Laura Núñez, Mireia Torres, Joan Ramon Grifols, Isidre Ferrer, Oscar L Lopez, Antonio Páez
BACKGROUND: Studies conducted in animal models and humans suggest the presence of a dynamic equilibrium of amyloid-β (Aβ) peptide between cerebrospinal fluid (CSF) and plasma compartments. OBJECTIVE: To determine whether plasma exchange (PE) with albumin replacement was able to modify Aβ concentrations in CSF and plasma as well as to improve cognition in patients with mild-moderate Alzheimer's disease (AD). METHODS: In a multicenter, randomized, patient- and rater-blind, controlled, parallel-group, phase II study, 42 AD patients were assigned (1 : 1) to PE treatment or control (sham) groups...
November 28, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27905359/-clinical-and-neuropsychological-features-of-alzheimer-s-disease-in-the-combination-with-cerebrovascular-disease
#3
N A Trusova, O S Levin, A V Arablinsky
AIM: To study clinical/neuropsychological and neuroimaging characteristics of Alzheimer's disease in the combination with cerebrovascular disease (CVD). MATERIAL AND METHODS: Ninety patients with dementia, including 35 patients with AD, 35 patients with mixed dementia (MD) and 20 patients with vascular dementia, were examined. The character of dementia was established according to NINCDS-ADRDA and NINDS-AIREN criteria. The neuropsychological battery included Addenbrooke's Cognitive Examination (ACE-R), Montreal Cognitive Assessment scale (MoCA), fluency test and the visual memory test (SCT)...
2016: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/27871916/association-of-neurobehavioral-performance-with-r2-in-the-caudate-nucleus-of-asymptomatic-welders
#4
Eun-Young Lee, Paul J Eslinger, Michael R Flynn, Daymond Wagner, Guangwei Du, Mechelle M Lewis, Lan Kong, Richard B Mailman, Xuemei Huang
OBJECTIVES: Welding fumes contain several metals including manganese (Mn) and iron (Fe) that may affect the nervous system. Previous studies of potential welding-related neurotoxicity have focused primarily on Mn exposure. The current study examined neurobehavioral and brain imaging changes in asymptomatic welders and their associations with both Mn and Fe exposure measurements. METHODS: Data were obtained from subjects with (n=46) and without (controls; n=31) a history of welding exposure...
November 18, 2016: Neurotoxicology
https://www.readbyqxmd.com/read/27856672/executive-functioning-in-children-and-adolescents-with-perinatal-hiv-infection-and-perinatal-hiv-exposure
#5
Sharon L Nichols, Miriam C Chernoff, Kathleen M Malee, Patricia A Sirois, Steven P Woods, Paige L Williams, Cenk Yildirim, Dean Delis, Betsy Kammerer
BACKGROUND: Executive functions (EFs) are critical for management of life activities, but few studies have evaluated EFs in children and adolescents with perinatally acquired HIV (PHIV), who are at risk for problems in academics, behavior, and medication adherence. We compared EFs in youth with PHIV and in perinatally HIV-exposed but uninfected (PHEU) youth. METHODS: Four Delis-Kaplan Executive Function System (D-KEFS) subtests were administered to 173 youth with PHIV and 85 PHEU youth, aged 9 to <19 years, who were enrolled in the Pediatric HIV/AIDS Cohort Study (PHACS) Memory and Executive Functioning Study...
December 2016: Journal of the Pediatric Infectious Diseases Society
https://www.readbyqxmd.com/read/27815819/intuition-and-metacognition-the-effect-of-semantic-coherence-on-judgments-of-learning
#6
Monika Undorf, Thea Zander
The idea that two distinct modes of thought affect human cognition and behavior has received considerable attention in psychology. In the domain of metacognition, it is assumed that metacognitive judgments are based on both nonanalytic, experience-based processes and analytic, theory-based processes. This study examined whether the experience-based process of intuition underlies people's predictions of their future memory performance (judgments of learning; JOLs). In four experiments, people made JOLs and took a test on compound remote associates, that is, groups of 3 words that were either remote associates of a single solution word (coherent triads) or had no common associate (incoherent triads)...
November 4, 2016: Psychonomic Bulletin & Review
https://www.readbyqxmd.com/read/27809665/executive-abilities-in-children-with-congenital-visual-impairment-in-mid-childhood
#7
Joe Bathelt, Michelle De Haan, Alison Salt, Naomi Jane Dale
The role of vision and vision deprivation in the development of executive function (EF) abilities in childhood is little understood; aspects of EF such as initiative, attention orienting, inhibition, planning and performance monitoring are often measured through visual tasks. Studying the development and integrity of EF abilities in children with congenital visual impairment (VI) may provide important insights into the development of EF and also its possible relationship with vision and non-visual senses. The current study investigates non-visual EF abilities in 18 school-age children of average verbal intelligence with VI of differing levels of severity arising from congenital disorders affecting the eye, retina, or anterior optic nerve...
November 3, 2016: Child Neuropsychology: a Journal on Normal and Abnormal Development in Childhood and Adolescence
https://www.readbyqxmd.com/read/27781389/genetic-variants-associated-with-risk-of-alzheimer-s-disease-contribute-to-cognitive-change-in-midlife-the-atherosclerosis-risk-in-communities-study
#8
Jan Bressler, Thomas H Mosley, Alan Penman, Rebecca F Gottesman, Beverly Gwen Windham, David S Knopman, Lisa M Wruck, Eric Boerwinkle
Alzheimer's disease (AD) is the most common form of dementia and is characterized by impairment in memory, behavioral changes, and gradual loss of autonomy. Since there is a long latent period prior to diagnosis, the aim of this study was to determine whether twenty single nucleotide polymorphisms identified in genome-wide association analyses of AD are associated with cognitive change in 8,320 white and 2,039 African-American middle-aged adults enrolled in the prospective Atherosclerosis Risk in Communities (ARIC) study...
October 26, 2016: American Journal of Medical Genetics. Part B, Neuropsychiatric Genetics
https://www.readbyqxmd.com/read/27779427/cognitive-and-behavioral-outcomes-among-seizure-controlled-children-with-partial-epilepsy-on-antiepileptic-drug-monotherapy
#9
Thomas G Burns, Natasha N Ludwig, Tiffany N Tajiri, Nick DeFilippis
The objective of this study was to assess cognitive performance and behavioral symptoms in a sample of children diagnosed with partial epilepsy who were seizure controlled on AED monotherapy for one year. Ninety-eight seizure-controlled children on AED monotherapy were included in this study. Specific AEDs examined included topiramate, divalproex sodium, lamotrigine, levetiracetam, and oxcarbazepine. Groups did not differ on age, region of focal epilepsy, or Full-Scale IQ. Direct measures included the WISC-IV and selected tests from the DKEFS (Verbal Fluency and Trail Making Test)...
October 25, 2016: Applied Neuropsychology. Child
https://www.readbyqxmd.com/read/27765693/a-pilot-study-to-evaluate-multi-dimensional-effects-of-dance-for-people-with-parkinson-s-disease
#10
Maria I Ventura, Deborah E Barnes, Jessica M Ross, Kimberly E Lanni, Karen A Sigvardt, Elizabeth A Disbrow
Parkinson's disease (PD) is a progressive neurodegenerative disease associated with deficits in motor, cognitive, and emotion/quality of life (QOL) domains, yet most pharmacologic and behavioral interventions focus only on motor function. Our goal was to perform a pilot study of Dance for Parkinson's-a community-based program that is growing in popularity-in order to compare effect sizes across multiple outcomes and to inform selection of primary and secondary outcomes for a larger trial. Study participants were people with PD who self-enrolled in either Dance for Parkinson's classes (intervention group, N=8) or PD support groups (control group, N=7)...
November 2016: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/27733569/selective-posterior-callosotomy-for-drop-attacks-a-new-approach-sparing-prefrontal-connectivity
#11
Eliseu Paglioli, William Alves Martins, Ney Azambuja, Mirna Portuguez, Thomas More Frigeri, Larissa Pinos, Ricardo Saute, Cora Salles, João Rubião Hoefel, Ricardo Bernardi Soder, Jaderson Costa da Costa, Marta Hemb, Tom Theys, André Palmini
OBJECTIVE: To evaluate a novel approach to control epileptic drop attacks through a selective posterior callosotomy, sparing all prefrontal interconnectivity. METHODS: Thirty-six patients with refractory drop attacks had selective posterior callosotomy and prospective follow-up for >4 years. Falls, episodes of aggressive behavior, and IQ were quantified. Autonomy in activities of daily living, axial tonus, and speech generated a functional score ranging from 0 to 13...
November 8, 2016: Neurology
https://www.readbyqxmd.com/read/27726066/cognitive-emotional-temperament-and-personality-trait-correlates-of-suicidal-behavior
#12
Lucas Giner, Hilario Blasco-Fontecilla, Diego De La Vega, Philippe Courtet
Suicide is one of the leading causes of violent death in many countries and its prevention is included in worldwide health objectives. Currently, the DSM-5 considers suicidal behavior as an entity that requires further study. Among the three validators required for considering a psychiatric disorder, there is one based on psychological correlates, biological markers, and patterns of comorbidity. This review includes the most important and recent studies on psychological factors: cognitive, emotional, temperament, and personality correlates (unrelated to diagnostic criteria)...
November 2016: Current Psychiatry Reports
https://www.readbyqxmd.com/read/27723861/high-frequency-of-gba-gene-mutations-in-dementia-with-lewy-bodies-among-ashkenazi-jews
#13
Tamara Shiner, Anat Mirelman, Mali Gana Weisz, Anat Bar-Shira, Elissa Ash, Ron Cialic, Naomi Nevler, Tanya Gurevich, Noa Bregman, Avi Orr-Urtreger, Nir Giladi
Importance: Mutations in the glucocerebrosidase (GBA) gene are a risk factor for the development of dementia with Lewy bodies (DLB). These mutations are common among Ashkenazi Jews (AJ) and appear to have an effect on the natural history of the disease. Objectives: To evaluate the clinical and genetic characteristics of an AJ cohort of patients diagnosed with DLB, assess the association of phenotype of DLB with GBA mutations, and explore the effects of these mutations on the clinical course of the disease...
October 10, 2016: JAMA Neurology
https://www.readbyqxmd.com/read/27723710/-clinical-and-neuropsychological-features-of-alzheimer-s-disease-in-the-combination-with-cerebrovascular-disease
#14
N A Trusova, O S Levin, A V Arablinsky
AIM: To study clinical/neuropsychological and neuroimaging characteristics of Alzheimer's disease in the combination with cerebrovascular disease (CVD). MATERIAL AND METHODS: Ninety patients with dementia, including 35 patients with AD, 35 patients with mixed dementia (MD) and 20 patients with vascular dementia, were examined. The character of dementia was established according to NINCDS-ADRDA and NINDS-AIREN criteria. The neuropsychological battery included Addenbrooke's Cognitive Examination (ACE-R), Montreal Cognitive Assessment scale (MoCA), fluency test and the visual memory test (SCT)...
2016: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/27695434/neural-mechanisms-of-dorsal-and-ventral-visual-regions-during-text-reading
#15
Wei Zhou, Xiaojuan Wang, Zhichao Xia, Yanchao Bi, Ping Li, Hua Shu
When reading a narrative text, both the dorsal and ventral visual systems are activated. To illustrate the patterns of interactions between the dorsal and ventral visual systems in text reading, we conducted analyses of functional connectivity (FC) and effective connectivity (EC) in a left-hemispheric network for reading-driven functional magnetic resonance imaging (fMRI) and resting-state fMRI (rs-fMRI) data. In reading-driven fMRI (Experiment 1), we found significant FCs among the left middle frontal gyrus (MFG), the left intraparietal sulcus (IPS), and the visual word form area (VWFA), and there were top-down effects from the left MFG to the left IPS, from the left MFG to the VWFA, and from the left IPS to the VWFA...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/27695405/structural-imaging-changes-and-behavioral-correlates-in-patients-with-crohn-s-disease-in-remission
#16
Veena A Nair, Poonam Beniwal-Patel, Ifeanyi Mbah, Brittany M Young, Vivek Prabhakaran, Sumona Saha
Background: Crohn's disease (CD) is a subtype of inflammatory bowel disease caused by immune-mediated inflammation in the gastrointestinal tract. The extent of morphologic brain alterations and their associated cognitive and affective impairments remain poorly characterized. Aims: We used magnetic resonance imaging to identify structural brain differences between patients with Crohn's disease in remission compared to age-matched healthy controls and evaluated for structural-behavioral correlates. Methods: Nineteen patients and 20 healthy, age-matched controls were recruited in the study...
2016: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/27648974/dichotic-listening-as-an-index-of-lateralization-of-speech-perception-in-familial-risk-children-with-and-without-dyslexia
#17
Britt Hakvoort, Aryan van der Leij, Ellie van Setten, Natasha Maurits, Ben Maassen, Titia van Zuijen
Atypical language lateralization has been marked as one of the factors that may contribute to the development of dyslexia. Indeed, atypical lateralization of linguistic functions such as speech processing in dyslexia has been demonstrated using neuroimaging studies, but also using the behavioral dichotic listening (DL) method. However, so far, DL results have been mixed. The current study assesses lateralization of speech processing by using DL in a sample of children at familial risk (FR) for dyslexia. In order to determine whether atypical lateralization of speech processing relates to reading ability, or is a correlate of being at familial risk, the current study compares the laterality index of FR children who did and did not become dyslexic, and a control group of readers without dyslexia...
September 17, 2016: Brain and Cognition
https://www.readbyqxmd.com/read/27648057/effect-of-aerobic-exercises-on-stuttering
#18
Illays Khan, Irum Nawaz, Imran Amjad
BACKGROUND AND OBJECTIVE: Stuttering is one of the most common speech disorders in adolescents than adults. Stuttering results in depression, anxiety, behavioral problem, social isolation and communication problems in daily life. Our objective was to determine the effect of Aerobic Exercises (AE) on stuttering. METHODS: A quasi trail was conducted at National Institute of Rehabilitation Medicine (NIRM) from January to June 2015. Thirty patients were selected and placed in three different groups Experimental Group A, (EG = 10 patients, age between 7-14 years), Experimental Group B (EG =10 patients age between 15-28 years) and control group -group C, (CG = 10 patients, age between 7-28 years)...
July 2016: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/27620847/the-malleable-efficacy-of-willpower-theories
#19
Joshua J Clarkson, Ashley S Otto, Edward R Hirt, Patrick M Egan
Emerging research documents the self-control consequences of individuals' theories regarding the limited nature of willpower, such that unlimited theorists consistently demonstrate greater self-control than limited theorists. The purpose of the present research was to build upon prior work on self-validation and perceptions of mental fatigue to demonstrate when self-control is actually impaired by endorsing an unlimited theory and-conversely-enhanced by endorsing a limited theory. Four experiments show that fluency reinforces the documented effects of individuals' willpower theories on self-control, while disfluency reverses the documented effects of individuals' willpower theories on self-control...
September 12, 2016: Personality & Social Psychology Bulletin
https://www.readbyqxmd.com/read/27606341/cognition-in-friedreich-s-ataxia-a-behavioral-and-multimodal-imaging-study
#20
Imis Dogan, Eugenie Tinnemann, Sandro Romanzetti, Shahram Mirzazade, Ana S Costa, Cornelius J Werner, Stefan Heim, Kathrin Fedosov, Stefanie Schulz, Dagmar Timmann, Ilaria A Giordano, Thomas Klockgether, Jörg B Schulz, Kathrin Reetz
OBJECTIVE: Friedreich's ataxia (FRDA) is a spinocerebellar degenerative disorder, in which cognitive deficits are sparsely explored. In this behavioral and multimodal magnetic resonance imaging (MRI) study, we investigated the neurocognitive profile and cortico-cerebellar dysfunctions underlying executive functioning in individuals with FRDA. METHODS: 22 FRDA patients and 22 controls were clinically and neuropsychologically examined. Fifteen of each underwent structural and functional MRI using a verbal-fluency task with phonemic and semantic conditions...
August 2016: Annals of Clinical and Translational Neurology
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