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Neuropsychological evaluation

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https://www.readbyqxmd.com/read/28319952/regression-based-norms-for-the-symbol-digit-modalities-test-in-the-dutch-population-improving-detection-of-cognitive-impairment-in-multiple-sclerosis
#1
Jessica Burggraaff, Dirk L Knol, Bernard M J Uitdehaag
BACKGROUND/AIMS: Appropriate and timely screening instruments that sensitively capture the cognitive functioning of multiple sclerosis (MS) patients are the need of the hour. We evaluated newly derived regression-based norms for the Symbol Digit Modalities Test (SDMT) in a Dutch-speaking sample, as an indicator of the cognitive state of MS patients. METHODS: Regression-based norms for the SDMT were created from a healthy control sample (n = 96) and used to convert MS patients' (n = 157) raw scores to demographically adjusted Z-scores, correcting for the effects of age, age2, gender, and education...
March 21, 2017: European Neurology
https://www.readbyqxmd.com/read/28319003/insulin-resistance-and-cognitive-performance-in-type-2-diabetes-the-maastricht-study
#2
Stefan L C Geijselaers, Simone J S Sep, Miranda T Schram, Martin P J van Boxtel, Ronald M A Henry, Frans R J Verhey, Abraham A Kroon, Nicolaas C Schaper, Pieter C Dagnelie, Carla J H van der Kallen, Coen D A Stehouwer, Geert Jan Biessels
AIMS: Type 2 diabetes, hyperinsulinemia, and insulin resistance are associated with cognitive impairment. Experimental studies indicate that insulin signaling in the brain is related to cognitive performance. Here we evaluated whether insulin-related variables contribute to the variance in cognitive performance among individuals with type 2 diabetes. METHODS: A total of 806 individuals with type 2 diabetes (mean age 62±8years, HbA1c 6.9±1.1%) completed a neuropsychological test battery...
February 12, 2017: Journal of Diabetes and its Complications
https://www.readbyqxmd.com/read/28316267/efficacy-of-a-computer-based-cognitive-training-program-in-older-people-with-subjective-memory-complaints-a-randomized-study
#3
Angela J Pereira-Morales, Andrés F Cruz Salinas, Jairo Aponte Melo, Francisco Pereira Manrique
OBJECTIVE: the aim of this study was to investigate the effect of computer-assisted cognitive training in healthy older adults with subjective memory complaints. METHODS: 40 older adults, mean age (standard Deviation) = 66.4 (5.6) with subjective memory complaints, were included in this study. Participants were randomly assigned to an Integrated Psychostimulation Program (IPP) (N = 17), a Computerized Cognitive Training (CCT) (N = 12) or a control group (N = 11)...
March 20, 2017: International Journal of Neuroscience
https://www.readbyqxmd.com/read/28315844/cerebral-glucose-metabolism-and-cognition-in-newly-diagnosed-parkinson-s-disease-icicle-pd-study
#4
M J Firbank, A J Yarnall, R A Lawson, G W Duncan, T K Khoo, G S Petrides, J T O'Brien, R A Barker, R J Maxwell, D J Brooks, D J Burn
OBJECTIVE: To assess reductions of cerebral glucose metabolism in Parkinson's disease (PD) with 18F-fluorodeoxyglucose (FDG) positron emission tomography (PET), and their associations with cognitive decline. METHODS: FDG-PET was performed on a cohort of 79 patients with newly diagnosed PD (mean disease duration 8 months) and 20 unrelated controls. PD participants were scanned while on their usual dopaminergic medication. Cognitive testing was performed at baseline, and after 18 months using the Cognitive Drug Research (CDR) and Cambridge Neuropsychological Test Automated Battery (CANTAB) computerised batteries, the Mini-Mental State Examination (MMSE), and the Montreal Cognitive Assessment (MoCA)...
April 2017: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/28315628/association-of-estrogen-receptor-alpha-polymorphisms-with-symptoms-of-autism-among-chinese-han-children
#5
(no author information available yet)
OBJECTIVES: Autism has a significant sex difference. This implies that the sex hormones might have effect on autism. Estrogens play an important role in early nervous system development and sex differentiation through estrogen receptors in brain. Thus, we tested the hypothesis that estrogen receptor alpha (ESR1) gene affects the pathogenesis of autism and related symptoms. METHODS: Genotypes of rs11155819 and rs2234693 were determined in boys with autism and normal boys from Chinese Han population...
November 19, 2016: Neuro Endocrinology Letters
https://www.readbyqxmd.com/read/28315038/the-mirror-neuron-system-in-relapsing-remitting-multiple-sclerosis-patients-with-low-disability
#6
Julio Plata-Bello, Yaiza Pérez-Martín, Abril Castañón-Pérez, Cristián Modroño, Helga Fariña, Estefanía Hernández-Martín, Montserrat González-Platas, Francisco Marcano, José Luis González-Mora
To study the visuospatial/visuoperceptive function using a mirror neuron system (MNS) based approach in multiple sclerosis (MS) patients and a healthy control group. Two task-based fMRIs (an execution task and an observation task) and one resting-fMRI were performed in a group of MS patients (n = 24) and a group of healthy controls (n = 15). The execution and observation tasks consisted of the performance or observation of the index-thumb opposition task. Statistical parametric mapping approaches were used to identify differences in the brain activity and functional connectivity (FC) of the MNS between MS patients and healthy controls...
March 17, 2017: Brain Topography
https://www.readbyqxmd.com/read/28306348/differences-in-dyslexic-students-before-and-after-a-remediation-program-a-clinical-neuropsychological-and-event-related-potential-study
#7
Nikolaos C Zygouris, Elias Avramidis, Argyris V Karapetsas, George I Stamoulis
Developmental dyslexia is defined as an unexpected specific and persistent failure to acquire efficient reading skills despite conventional instruction, adequate intelligence and sociocultural opportunity. This article reports the outcomes of a study that evaluated the implementation of a 4-month intervention program. The intervention consisted of structured activities aiming at improving (a) the children's phonological awareness, (b) their visual and auditory memory, (c) their visual discrimination ability, and (d) their text comprehension...
March 17, 2017: Applied Neuropsychology. Child
https://www.readbyqxmd.com/read/28306147/early-functional-limitations-in-cognitively-normal-older-adults-predict-diagnostic-conversion-to-mild-cognitive-impairment
#8
Sarah Tomaszewski Farias, Karen Lau, Danielle Harvey, Katherine G Denny, Cheyanne Barba, Anthony N Mefford
OBJECTIVES: To examine whether specific types of early functional limitations in cognitively normal older adults are associated with subsequent development of mild cognitive impairment (MCI), as well as the relative predictive value of self versus informant report in predicting diagnostic conversion to MCI. DESIGN: As a part of a longitudinal study design, participants underwent baseline and annual multidisciplinary clinical evaluations, including a physical and neurological examination, imaging, laboratory work, and neuropsychological testing...
March 17, 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/28304292/amyloid-%C3%AE-deposition-and-long-term-progression-in-mild-cognitive-impairment-due-to-alzheimer-s-disease-defined-with-amyloid-pet-imaging
#9
Shizuo Hatashita, Daichi Wakebe
The aim was to evaluate brain amyloid-β (Aβ) deposition in patients with mild cognitive impairment (MCI) due to Alzheimer's disease (AD) using amyloid PET imaging and clarify the relationship between the annual change in Aβ deposition and disease progression. Forty-eight MCI patients underwent neuropsychological assessment and amyloid PET imaging using [11C]-PIB over a follow-up of 5.7±1.5 years. Thirty-nine MCI patients who had an amyloid-positive scan were defined as MCI due to AD, and 9 MCI patients who had an amyloid-negative scan were included...
March 10, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28301848/predictors-of-reversion-from-mild-cognitive-impairment-to-normal-cognition
#10
Seema Y Pandya, Laura H Lacritz, Myron F Weiner, Martin Deschner, Fu L Woon
BACKGROUND/AIMS: Few studies have examined predictors of reversion from mild cognitive impairment (MCI) to normal cognition. We sought to identify baseline predictors of reversion, using the National Alzheimer's Coordinating Center Uniform Data Set, by comparing MCI individuals who reverted to normal cognition to those who progressed to dementia. METHODS: Participants (n = 1,208) meeting MCI criteria were evaluated at the baseline visit and 3 subsequent annual visits...
March 17, 2017: Dementia and Geriatric Cognitive Disorders
https://www.readbyqxmd.com/read/28300138/reduced-dna-methylation-and-psychopathology-following-endogenous-hypercortisolism-a-genome-wide-study
#11
Camilla A M Glad, Johanna C Andersson-Assarsson, Peter Berglund, Ragnhildur Bergthorsdottir, Oskar Ragnarsson, Gudmundur Johannsson
Patients with Cushing's Syndrome (CS) in remission were used as a model to test the hypothesis that long-standing excessive cortisol exposure induces changes in DNA methylation that are associated with persisting neuropsychological consequences. Genome-wide DNA methylation was assessed in 48 women with CS in long-term remission (cases) and 16 controls matched for age, gender and education. The Fatigue impact scale and the comprehensive psychopathological rating scale were used to evaluate fatigue, depression and anxiety...
March 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28299814/functional-neuroanatomical-associations-of-working-memory-in-early-onset-alzheimer-s-disease
#12
Christopher Kobylecki, Cathleen Haense, Jennifer M Harris, Cheryl L Stopford, Shailendra H Segobin, Matthew Jones, Anna M T Richardson, Alexander Gerhard, José Anton-Rodriguez, Jennifer C Thompson, Karl Herholz, Julie S Snowden
OBJECTIVE: To characterize metabolic correlates of working memory impairment in clinically defined subtypes of early-onset Alzheimer's disease. BACKGROUND: Established models of working memory suggest a key role for frontal lobe function, yet the association in Alzheimer's disease between working memory impairment and visuospatial and language symptoms suggests that temporoparietal neocortical dysfunction may be responsible. METHODS: Twenty-four patients with predominantly early-onset Alzheimer's disease were clinically classified into groups with predominantly amnestic, multidomain or visual deficits...
March 16, 2017: International Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/28299368/modafinil-improves-episodic-memory-and-working-memory-cognition-in-patients-with-remitted-depression-a-double-blind-randomized-placebo-controlled-study
#13
Muzaffer Kaser, Julia B Deakin, Albert Michael, Camilo Zapata, Rachna Bansal, Dragana Ryan, Francesca Cormack, James B Rowe, Barbara J Sahakian
BACKGROUND: Cognitive dysfunction is a core feature of depression and tends to persist even after mood symptoms recover, leading to detrimental effects on clinical and functional outcomes. However, most currently available treatments have not typically addressed cognition. Modafinil has been shown to have beneficial effects on cognitive function and therefore has the potential to improve cognition in depression. The objective of this double-blind, placebo-controlled study was to investigate the effects of modafinil on cognitive functions in patients with remitted depression...
March 2017: Biological Psychiatry: Cognitive Neuroscience and Neuroimaging
https://www.readbyqxmd.com/read/28298013/does-subjective-improvement-in-adults-with-intracranial-arachnoid-cysts-justify-surgical-treatment
#14
Katrin Rabiei, Per Hellström, Mats Högfeldt-Johansson, Magnus Tisell
OBJECTIVE Subjective improvement of patients who have undergone surgery for intracranial arachnoid cysts has justified surgical treatment. The current study aimed to evaluate the outcome of surgical treatment for arachnoid cysts using standardized interviews and assessments of neuropsychological function and balance. The relationship between arachnoid cyst location, postoperative improvement, and arachnoid cyst volume was also examined. METHODS The authors performed a prospective, population-based study. One hundred nine patients underwent neurological, neuropsychological, and physiotherapeutic examinations...
February 17, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28295805/resting-state-functional-connectivity-and-cognitive-dysfunction-correlations-in-spinocerebelellar-ataxia-type-6-sca6
#15
Licia Pereira, Raag D Airan, Ann Fishman, Jay J Pillai, Kalyani Kansal, Chiadi U Onyike, Jerry L Prince, Sarah H Ying, Haris I Sair
OBJECTIVE: The aim of this study is to evaluate the correlation between resting state functional MRI (RS-fMRI) activity and motor and cognitive impairment in spinocerebellar ataxia type 6 (SCA6). METHODS: Twelve patients with genetically confirmed SCA6 and 14 age matched healthy controls were imaged with RS-fMRI. Whole brain gray matter was automatically parcellated into 1000 regions of interest (ROIs). For each ROI, the first eigenvariate of voxel time courses was extracted...
March 15, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28294693/functional-network-connectivity-abnormalities-in-multiple-sclerosis-correlations-with-disability-and-cognitive-impairment
#16
Maria A Rocca, Paola Valsasina, Victoria M Leavitt, Mariaemma Rodegher, Marta Radaelli, Gianna C Riccitelli, Vittorio Martinelli, Filippo Martinelli-Boneschi, Andrea Falini, Giancarlo Comi, Massimo Filippi
OBJECTIVE: To investigate resting state (RS) functional connectivity (FC) abnormalities within the principal brain networks in a large cohort of multiple sclerosis (MS) patients, to define the trajectory of FC changes over disease stages and their relation with clinical and structural magnetic resonance imaging (MRI) measures. METHODS: RS functional magnetic resonance imaging (fMRI), clinical, and neuropsychological evaluation were obtained from 215 MS patients and 98 healthy controls...
March 1, 2017: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/28292624/differential-neuropsychological-functioning-between-adolescents-with-attention-deficit-hyperactivity-disorder-with-and-without-conduct-disorder
#17
Yu-Ju Lin, Susan Shur-Fen Gau
BACKGROUND/PURPOSE: This study aimed to evaluate neuropsychological functioning of attention-deficit/hyperactivity disorder (ADHD) with and without comorbidities of oppositional defiant disorder (ODD) and/or conduct disorder (CD) and the mediation effects of the neuropsychological functions in the relationship between ADHD and ODD/CD symptoms to increase our understanding about these frequently co-occurring disorders. METHODS: Adolescents aged 11-18 years were interviewed by the Kiddie epidemiologic version of the Schedule for Affective Disorders and Schizophrenia to confirm their previous and current ADHD status and other psychiatric diagnoses...
March 11, 2017: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/28291591/the-inma-infancia-y-medio-ambiente-environment-and-childhood-project-more-than-10-years-contributing-to-environmental-and-neuropsychological-research
#18
REVIEW
Mireia Gascon, Mònica Guxens, Martine Vrijheid, Maties Torrent, Jesús Ibarluzea, Eduardo Fano, Sabrina Llop, Ferran Ballester, Mariana F Fernández, Adonina Tardón, Ana Fernández-Somoano, Jordi Sunyer
BACKGROUND: In 2003 the INMA-INfancia y Medio Ambiente (Environment and Childhood) project, a Spanish national network of birth cohorts including more than 3500 participants, was set up with the aim to assess the health impacts of pre- and postnatal environmental exposures on children. The project has published more than 60 papers on maternal and environmental factors related to neuropsychological development in children, one of the main research interests within the project. With the present review, we evaluate the evidence provided by the INMA project on this topic and discuss how the data can contribute to cover the challenges that children's environmental health research will face in the coming years...
February 28, 2017: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/28291057/mild-cognitive-impairment-and-exposure-to-general-anesthesia-for-surgeries-and-procedures-a-population-based-case-control-study
#19
Juraj Sprung, Rosebud O Roberts, David S Knopman, Lauren L Price, Hunter P Schulz, Christie L Tatsuyama, Toby N Weingarten, Darrell R Schroeder, Andrew C Hanson, Ronald C Petersen, David O Warner
BACKGROUND: To examine whether exposure to general anesthesia for procedures at age ≥40 years is associated with prevalent mild cognitive impairment (MCI) in the elderly. METHODS: A case-control study nested within a population-based cohort. Olmsted County, Minnesota, residents, aged 70-91 years, underwent baseline evaluations that included the Clinical Dementia Rating scale, a neurologic evaluation, and neuropsychologic testing. Individuals identified with MCI (cases) at enrollment were matched 1:2 on age, sex, education, and apolipoprotein genotype with participants who were cognitively normal at the time of the index visit...
April 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28291039/performance-validity-testing-in-neuropsychology-scientific-basis-and-clinical-application-a-brief-review
#20
Michael R Greher, Thomas R Wodushek
Performance validity testing refers to neuropsychologists' methodology for determining whether neuropsychological test performances completed in the course of an evaluation are valid (ie, the results of true neurocognitive function) or invalid (ie, overly impacted by the patient's effort/engagement in testing). This determination relies upon the use of either standalone tests designed for this sole purpose, or specific scores/indicators embedded within traditional neuropsychological measures that have demonstrated this utility...
March 2017: Journal of Psychiatric Practice
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