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https://www.readbyqxmd.com/read/28716743/low-level-exposure-to-manganese-from-drinking-water-and-cognition-in-school-age-children
#1
Maryse F Bouchard, Céline Surette, Pierre Cormier, Delphine Foucher
BACKGROUND: Manganese (Mn) is an element found in the environment and certain geographic areas have elevated concentrations in soil and water du to natural conditions or anthropic activities. A growing body of data suggests that exposure to manganese in drinking water could be neurotoxic. OBJECTIVE: Firstly, we aimed to examine the association between exposure to manganese from drinking water and cognition in children consuming well water. Secondly, we also aimed to examine the relation between cognition and manganese concentrations in children's hair, nail, and saliva...
July 14, 2017: Neurotoxicology
https://www.readbyqxmd.com/read/28707956/use-of-the-21-item-test-with-children-and-adolescents-5-to-16-years-of-age
#2
Joseph J Ryan, Jennifer L Blacksmith, David S Kreiner, Laura Glass Umfleet
The goals of the present study were to: (a) collect preliminary normative data on the 21-Item Test in children and adolescents and to determine if cutoffs for biased responding in adults can be generalized to a younger population; (b) determine if Caucasian and Hispanic children perform differently on the test; and (c) ascertain the relationships of age and verbal intelligence with effort test performance. The 21-Item Test was administered to 153 children attending either a public (n = 96) or private (n = 57) school...
July 14, 2017: Applied Neuropsychology. Child
https://www.readbyqxmd.com/read/28683424/prenatal-phenolic-compounds-exposure-and-neurobehavioral-development-at-2-and-7years-of-age
#3
Ching-Chun Lin, Chun-Ju Chien, Meng-Shan Tsai, Chia-Jung Hsieh, Wu-Shiun Hsieh, Pau-Chung Chen
BACKGROUND: Phenolic compounds such as bisphenol A (BPA), nonylphenol (NP), and octylphenol (OP) are known as endocrine-disrupting compounds and are commonly used. Their impacts on the neurodevelopment of children are inconclusive. The current study aims to investigate the association between umbilical cord blood levels of BPA, NP, OP and neurodevelopmental outcomes at 2 and 7years of age. METHODS: The study was based on the Taiwan Birth Panel Study, a prospective birth cohort...
December 15, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28649514/early-hematopoietic-stem-cell-transplantation-in-a-patient-with-severe-mucopolysaccharidosis-ii-a-7%C3%A2-years-follow-up
#4
Anneliese L Barth, Tatiana S P C de Magalhães, Ana Beatriz R Reis, Maria Lucia de Oliveira, Fernanda B Scalco, Nicolette C Cavalcanti, Daniel S E Silva, Danielle A Torres, Alessandra A P Costa, Carmem Bonfim, Roberto Giugliani, Juan C Llerena, Dafne D G Horovitz
Mucopolysaccharidosis type II (MPS II - Hunter syndrome) is an X-linked lysosomal storage disorder caused by a deficiency in the enzyme iduronate-2 sulfatase (I2S), leading to the accumulation of the glycosaminoglycans, affecting multiple organs and systems. Enzyme replacement therapy does not cross the blood brain barrier, limiting results in neurological forms of the disease. Another option of treatment for severe MPS, hematopoietic stem cell transplantation (HSCT) has become the treatment of choice for the severe form of MPS type I, since it can preserve neurocognition when performed early in the course of the disease...
September 2017: Molecular Genetics and Metabolism Reports
https://www.readbyqxmd.com/read/28603492/magnetoencephalographic-imaging-of-auditory-and-somatosensory-cortical-responses-in-children-with-autism-and-sensory-processing-dysfunction
#5
Carly Demopoulos, Nina Yu, Jennifer Tripp, Nayara Mota, Anne N Brandes-Aitken, Shivani S Desai, Susanna S Hill, Ashley D Antovich, Julia Harris, Susanne Honma, Danielle Mizuiri, Srikantan S Nagarajan, Elysa J Marco
This study compared magnetoencephalographic (MEG) imaging-derived indices of auditory and somatosensory cortical processing in children aged 8-12 years with autism spectrum disorder (ASD; N = 18), those with sensory processing dysfunction (SPD; N = 13) who do not meet ASD criteria, and typically developing control (TDC; N = 19) participants. The magnitude of responses to both auditory and tactile stimulation was comparable across all three groups; however, the M200 latency response from the left auditory cortex was significantly delayed in the ASD group relative to both the TDC and SPD groups, whereas the somatosensory response of the ASD group was only delayed relative to TDC participants...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28591025/neurocognitive-development-in-hiv-positive-children-is-correlated-with-plasma-viral-loads-in-early-childhood
#6
Valentin Weber, Daniel Radeloff, Bianca Reimers, Emilia Salzmann-Manrique, Peter Bader, Dirk Schwabe, Christoph Königs
Because of neurocognitive impairments in perinatally human immunodeficiency virus (HIV)-infected children and adolescents, this study aimed to demonstrate the effect of plasma viral loads and early initiation of sufficient combined antiretroviral therapy (cART) on neurocognitive development.In total, 14 perinatally infected HIV-positive children (median age 8.24 years [range: 6.0-16.74]) receiving lopinavir/ritonavir (LPV/r)-based ART underwent neurocognitive testing using the Wechsler Intelligence Score for Children, 4th Edition (WISC-IV)...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28582687/evaluating-relationships-among-clinical-working-memory-assessment-and-inattentive-and-hyperactive-impulsive-behaviors-in-a-community-sample-of-children
#7
Alison M Colbert, Jin Bo
OBJECTIVE: This study examined relationships between inattentive and hyperactive/impulsive behaviors and working memory (WM) functioning, and the utility of WM in categorical diagnosis of ADHD versus considering ADHD symptoms on a continuum. METHOD: The study included 50 male children (6-12 years). Inattentive and hyperactive/impulsive behaviors were measured by the Conners-3P parent report, and WM was assessed by the WISC-IV WM subtests and Working Memory Index (WMI)...
June 2, 2017: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/28564632/manganese-in-drinking-water-and-cognitive-abilities-and-behavior-at-10-years-of-age-a-prospective-cohort-study
#8
Syed Moshfiqur Rahman, Maria Kippler, Fahmida Tofail, Sven Bölte, Jena Derakhshani Hamadani, Marie Vahter
BACKGROUND: Cross-sectional studies have indicated impaired neurodevelopment with elevated drinking water manganese concentrations (W-Mn), but potential susceptible exposure windows are unknown. OBJECTIVES: We prospectively evaluated the effects of W-Mn, from fetal life to school age, on children's cognitive abilities and behavior. METHODS: We assessed cognitive abilities and behavior in 1,265 ten-year-old children in rural Bangladesh using the Wechsler Intelligence Scale for Children (WISC-IV) and the Strengths and Difficulties Questionnaire (SDQ), respectively...
May 26, 2017: Environmental Health Perspectives
https://www.readbyqxmd.com/read/28553119/potential-role-of-pre-and-postnatal-testosterone-levels-in-attention-deficit-hyperactivity-disorder-is-there-a-sex-difference
#9
Liang-Jen Wang, Miao-Chun Chou, Wen-Jiun Chou, Min-Jing Lee, Sheng-Yu Lee, Pao-Yen Lin, Yi-Hsuan Lee, Yi-Hsin Yang, Cheng-Fang Yen
OBJECTIVE: Both prenatal testosterone (T) exposure and postnatal T levels have been associated with developing neural circuitry and behavioral systems. This study examined the potential correlation between pre- and postnatal T levels and behavioral and neurocognitive profiles of children with attention-deficit/hyperactivity disorder (ADHD). METHODS: Two hundred ADHD patients with a mean age of 8.7±2.0 years (158 boys and 42 girls) were recruited. The ratio of the length of the right index finger (2D) to that of the right ring finger (4D) (2D/4D ratio) served as a surrogate of prenatal T exposure, and postnatal T was determined using salivary T concentration...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28422947/factors-affecting-the-cognitive-profile-of-11-year-old-children-born-very-preterm
#10
Anna Nyman, Tapio Korhonen, Petriina Munck, Riitta Parkkola, Liisa Lehtonen, Leena Haataja
BackgroundPreterm birth is a risk for cognitive development. This study assessed the cognitive profile of children born very preterm at the age of 11 years as well as the associated risk factors.MethodsA total of 128 children born very preterm were included. Magnetic resonance imaging was performed at term age. Cognitive development was assessed using the full-scale intelligence quotient (IQ) and four domains of the Wechsler Intelligence Scale for Children, fourth edition (WISC-IV), Finnish translation. The results were compared with test norms...
August 2017: Pediatric Research
https://www.readbyqxmd.com/read/28374453/construct-validity-of-the-wechsler-intelligence-scale-for-children-fourth-uk-edition-with-a-referred-irish-sample-wechsler-and-cattell-horn-carroll-model-comparisons-with-15-subtests
#11
Gary L Canivez, Marley W Watkins, Rebecca Good, Kate James, Trevor James
BACKGROUND: Irish educational psychologists frequently use the Wechsler Intelligence Scale for Children - Fourth UK Edition (WISC-IV(UK) ; Wechsler, 2004, Wechsler Intelligence Scale for Children-Fourth UK Edition, London, UK, Harcourt Assessment) in clinical assessments of children with learning difficulties. Unfortunately, reliability and validity studies of the WISC-IV(UK) standardization sample have not yet been reported. Watkins et al. (2013, International Journal of School and Educational Psychology, 1, 102) found support for a bifactor structure with a large sample (N = 794) of Irish children who were administered the 10 WISC-IV(UK) core subtests in clinical assessments of learning difficulties and dominance of general intelligence...
April 3, 2017: British Journal of Educational Psychology
https://www.readbyqxmd.com/read/28348543/the-predictive-validity-of-four-intelligence-tests-for-school-grades-a-small-sample-longitudinal-study
#12
Jasmin T Gygi, Priska Hagmann-von Arx, Florine Schweizer, Alexander Grob
Intelligence is considered the strongest single predictor of scholastic achievement. However, little is known regarding the predictive validity of well-established intelligence tests for school grades. We analyzed the predictive validity of four widely used intelligence tests in German-speaking countries: The Intelligence and Development Scales (IDS), the Reynolds Intellectual Assessment Scales (RIAS), the Snijders-Oomen Nonverbal Intelligence Test (SON-R 6-40), and the Wechsler Intelligence Scale for Children (WISC-IV), which were individually administered to 103 children (Mage = 9...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28283836/the-faster-internal-clock-in-adhd-is-related-to-lower-processing-speed-wisc-iv-profile-analyses-and-time-estimation-tasks-facilitate-the-distinction-between-real-adhd-and-pseudo-adhd
#13
Marco Walg, Gerhard Hapfelmeier, Daniel El-Wahsch, Helmut Prior
Alterations in temporal processing may represent a primary cause of key symptoms in ADHD. This study is aimed at investigating the nature of time-processing alterations in ADHD and assessing the possible utility of testing time estimation for clinical diagnostics. Retrospective verbal time estimation in the range of several minutes was examined in 50 boys with ADHD and 53 boys with other mental disorders. All participants (age 7-16) attended an outpatient clinic for ADHD diagnostics. The diagnostic assessment included the WISC-IV...
March 10, 2017: European Child & Adolescent Psychiatry
https://www.readbyqxmd.com/read/28256694/-comparison-between-the-diagnosis-of-attention-deficit-hyperactivity-disorder-with-the-dsm-5-and-neuropsychological-evaluation-of-the-executive-functions
#14
L Abad-Mas, O Caloca-Catala, F Mulas, R Ruiz-Andres
INTRODUCTION: The attention deficit-hyperactivity disorder (ADHD) has a prevalence among 3-7% in scholar population and it is associated with learning disabilities and executive dysfunctions. AIM: To study the relationship between the ADHD diagnostic through DSM-5 criteria and the neuropshychology evaluation of executive functions. SUBJECTS AND METHODS: The sample of this study consisted in 50 subjects, 12 females and 38 males, with an age between 8 and 10 years old...
February 24, 2017: Revista de Neurologia
https://www.readbyqxmd.com/read/28256691/-international-adoption-of-children-from-ethiopia-and-language-a-pilot-study
#15
A Gonzalez-Navarro, N de Casas-Calvo, C Monsalve-Clemente, J Martos-Perez
INTRODUCTION: Children who have gone through international adoption offer a great and unique learning opportunity around language development. Time elapsed since the first international adoptions took place in Spain has given a unique opportunity to research and conclude whether learning the second language follows the same developmental patterns and outcomes as compared to acquiring tongue language. AIM: To verify whether the evaluated subjects have reached the expected use and language proficiency for their chronological age...
February 24, 2017: Revista de Neurologia
https://www.readbyqxmd.com/read/28215021/sluggish-cognitive-tempo-processing-speed-and-internalizing-symptoms-the-moderating-effect-of-age
#16
Lisa A Jacobson, Megan Geist, E Mark Mahone
Sluggish Cognitive Tempo (SCT) has been defined by a constellation of caregiver-reported symptoms that includes daydreaming, difficulty initiating and sustaining effort, lethargy, and physical underactivity. These symptoms have been observed in both typically developing children and in some children with Attention-Deficit/Hyperactivity Disorder (ADHD)-especially those with the predominantly inattentive presentation. Symptoms of SCT (typically identified via rating scales) appear separable from DSM inattentive ADHD symptoms, but have also been associated with internalizing symptoms...
February 18, 2017: Journal of Abnormal Child Psychology
https://www.readbyqxmd.com/read/28115851/cognitive-profiles-in-bilingual-children-born-to-immigrant-parents-and-italian-monolingual-native-children-with-specific-learning-disorders
#17
Anna Riva, Renata Nacinovich, Nadia Bertuletti, Valentina Montrasi, Sara Marchetti, Francesca Neri, Monica Bomba
PURPOSE: The aim of this study is to compare the Wechsler Intelligence Scale for Children(®) - fourth edition IV (WISC IV) intellectual profile of two groups of children with specific learning disorder, a group of bilingual children and a group of monolingual Italian children, in order to identify possible significant differences between them. PATIENTS AND METHODS: A group of 48 bilingual children and a group of 48 Italian monolingual children were included in this study...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28111742/the-role-of-executive-functioning-in-memory-performance-in-pediatric-focal-epilepsy
#18
Leigh N Sepeta, Kaitlin Blackstone Casaletto, Virginia Terwilliger, Joy Facella-Ervolini, Maegan Sady, Jessica Mayo, William D Gaillard, Madison M Berl
OBJECTIVE: Learning and memory are essential for academic success and everyday functioning, but the pattern of memory skills and its relationship to executive functioning in children with focal epilepsy is not fully delineated. We address a gap in the literature by examining the relationship between memory and executive functioning in a pediatric focal epilepsy population. METHODS: Seventy children with focal epilepsy and 70 typically developing children matched on age, intellectual functioning, and gender underwent neuropsychological assessment, including measures of intelligence (Wechsler Abbreviated Scale of Intelligence [WASI]/Differential Ability Scales [DAS]), as well as visual Children's Memory Scale (CMS Dot Locations) and verbal episodic memory (Wide Range Assessment of Memory and Learning [WRAML] Story Memory and California Verbal Learning Test for Children [CVLT-C])...
February 2017: Epilepsia
https://www.readbyqxmd.com/read/28101883/mytreehouse-self-concept-assessment-preliminary-psychometric-analysis-of-a-new-self-concept-assessment-for-children-with-cerebral-palsy
#19
Sau Kuan Cheong, Cathryne P Lang, Sheryl A Hemphill, Leanne M Johnston
AIM: To evaluate the preliminary validity and reliability of the myTREEHOUSE Self-Concept Assessment for children with cerebral palsy (CP) aged 8 to 12 years. METHOD: The myTREEHOUSE Self-Concept Assessment includes 26 items divided into eight domains, assessed across three Performance Perspectives (Personal, Social, and Perceived) and an additional Importance Rating. Face and content validity was assessed by semi-structured interviews with seven expert professionals regarding the assessment construct, content, and clinical utility...
June 2017: Developmental Medicine and Child Neurology
https://www.readbyqxmd.com/read/28050182/working-memory-training-in-the-form-of-structured-games-in-children-with-attention-deficit-hyperactivity-disorder
#20
Fatemeh Khalili Kermani, Mohammad Reza Mohammadi, Fariba Yadegari, Fatemeh Haresabadi, Seyed Mehdi Sadeghi
Objective: In this study, a new training method of working memory (WM) was used in the form of structured games, and the effect of training was evaluated with a controlled design. The training method of WM in the form of structured games includes 20 sets of structured games that can improve WM and performance of executive functions. Method: Sixty children with attention deficit hyperactivity disorder (ADHD) aged 8.5 to 11.2 years (35 boys), using no stimulant medication were selected. We randomly assigned 30 participants to the experimental group and provided them with WM training...
October 2016: Iranian Journal of Psychiatry
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