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Direct linkPerovic, Alexandra; Modyanova, Nadya; Wexler, Ken – Language Acquisition: A Journal of Developmental Linguistics, 2013
This study investigates whether distinct neurodevelopmental disorders show distinct patterns of impairments in particular grammatical abilities and the relation of those grammatical patterns to general language delays and intellectual disabilities. We studied two disorders (autism and Williams syndrome [WS]) and two distinct properties (Principle…
Descriptors: Grammar, Autism, Language Impairments, Genetic Disorders
Aperecida da Silva, Maria; Cordeiro, Quirino; Louza, Mario; Vallada, Homero – Journal of Attention Disorders, 2011
Objective: To investigate a possible association between a 3'UTR VNTR polymorphism of the dopamine transporter gene (SLC6A3) and ADHD in a Brazilian sample of adult patients. Method: Study Case-control with 102 ADHD adult outpatients ("DSM-IV" criteria) and 479 healthy controls. The primers' sequence used were: 3'UTR-Forward: 5' TGT GGT…
Descriptors: Attention Deficit Hyperactivity Disorder, Patients, Adults, Correlation
Shegog, Ross; Lazarus, Melanie M.; Murray, Nancy G.; Diamond, Pamela M.; Sessions, Nathalie; Zsigmond, Eva – Research in Science Education, 2012
The transgenic mouse model is useful for studying the causes and potential cures for human genetic diseases. Exposing high school biology students to laboratory experience in developing transgenic animal models is logistically prohibitive. Computer-based simulation, however, offers this potential in addition to advantages of fidelity and reach.…
Descriptors: Genetic Disorders, Science Careers, Advanced Placement, Computer Simulation
Linde, Ana R.; Garcia-Vazquez, Eva – Journal of Biological Education, 2009
The micronucleus test is widely employed in environmental health research. It can also be an excellent tool for learning important concepts in environmental health. In this article we present an inquiry-based laboratory exercise where students explore several theoretical and practical aspects of environmental mutagenesis employing the micronucleus…
Descriptors: Control Groups, Environmental Education, Molecular Structure, Genetics
Yilmaz, Diba; Tekkaya, Ceren; Sungur, Semra – International Journal of Science Education, 2011
The present study examined the comparative effects of a prediction/discussion-based learning cycle, conceptual change text (CCT), and traditional instructions on students' understanding of genetics concepts. A quasi-experimental research design of the pre-test-post-test non-equivalent control group was adopted. The three intact classes, taught by…
Descriptors: Educational Strategies, Control Groups, Research Design, Prediction
Tudor, Megan E.; DeVincent, Carla J.; Gadow, Kenneth D. – Research in Autism Spectrum Disorders, 2012
The current study examined the association between prenatal pregnancy complications (PPC) and childhood psychiatric symptoms in children with an autism spectrum disorder (ASD) and non-ASD children who were referred to a psychiatric clinic (Controls). Parents completed a "DSM-IV"-referenced rating scale and developmental history questionnaire.…
Descriptors: Autism, Hyperactivity, Pregnancy, Rating Scales
Betjemann, Rebecca S.; Keenan, Janice M.; Olson, Richard K.; DeFries, John C. – Scientific Studies of Reading, 2011
Does the choice of test for assessing reading comprehension influence the outcome of genetic analyses? A twin design compared two types of reading comprehension tests classified as primarily associated with word decoding (RC-D) or listening comprehension (RC-LC). For both types of tests, the overall genetic influence is high and nearly identical.…
Descriptors: Reading Comprehension, Listening Comprehension, Siblings, Genetics
Download full textNeuringer, Allen – Behavior Analyst Today, 2009
Reinforcers contingent on response variability exert powerful and precise control over levels of variability, from stereotypy to stochasticity. This paper reviews how variability-contingent reinforcers interact with non-contingent, eliciting events to influence the variability of operant responses. Relationships to stimulus control, choice,…
Descriptors: Behavior Modification, Reinforcement, Operant Conditioning, Attention Deficit Hyperactivity Disorder
Keri, Szabolcs; Benedek, Gyorgy – Brain and Cognition, 2010
Previous studies reported impaired visual information processing in patients with fragile x syndrome and in premutation carriers. In this study, we assessed the perception of biological motion (a walking point-light character) and mechanical motion (a rotating shape) in 25 female fragile x premutation carriers and in 20 healthy non-carrier…
Descriptors: Visual Stimuli, Rating Scales, Motion, Patients
Pinheiro, Ana P.; Galdo-Alvarez, Santiago; Rauber, Andreia; Sampaio, Adriana; Niznikiewicz, Margaret; Goncalves, Oscar F. – Research in Developmental Disabilities: A Multidisciplinary Journal, 2011
Williams syndrome (WS), a neurodevelopmental genetic disorder due to a microdeletion in chromosome 7, is described as displaying an intriguing socio-cognitive phenotype. Deficits in prosody production and comprehension have been consistently reported in behavioral studies. It remains, however, to be clarified the neurobiological processes…
Descriptors: Genetic Disorders, Sentences, Age, Semantics
Uebel, Henrik; Albrecht, Bjorn; Asherson, Philip; Borger, Norbert A.; Butler, Louise; Chen, Wai; Christiansen, Hanna; Heise, Alexander; Kuntsi, Jonna; Schafer, Ulrike; Andreou, Penny; Manor, Iris; Marco, Rafaela; Miranda, Ana; Mulligan, Aisling; Oades, Robert D.; van der Meere, Jaap; Faraone, Stephen V.; Rothenberger, Aribert; Banaschewski, Tobias – Journal of Child Psychology and Psychiatry, 2010
Background: Attention-deficit hyperactivity disorder (ADHD) is one of the most common and highly heritable child psychiatric disorders. There is strong evidence that children with ADHD show slower and more variable responses in tasks such as Go/Nogo tapping aspects of executive functions like sustained attention and response control which may be…
Descriptors: Siblings, Attention Deficit Hyperactivity Disorder, Genetics, Cognitive Processes
Schmitz, Marcelo; Ludwig, Henrique; Rohde, Luis A. – Journal of Clinical Child and Adolescent Psychology, 2010
The objective of the current study was to evaluate a proposed restrictive inattentive type of Attention Deficit Hyperactivity Disorder (ADHD) by comparing clinical correlates among youths with ADHD inattentive type (ADHD-I) as a function of the number of hyperactivity symptoms presented (none vs. 3 or less) and controls (individuals without ADHD).…
Descriptors: Genetics, Attention Deficit Hyperactivity Disorder, Foreign Countries, Control Groups
Boets, Bart; Vandermosten, Maaike; Cornelissen, Piers; Wouters, Jan; Ghesquiere, Pol – Child Development, 2011
Evidence suggests that sensitivity to coherent motion (CM) is related to reading, but its role in the etiology of developmental dyslexia remains unclear. In this longitudinal study, CM sensitivity was measured in 31 children at family risk for dyslexia and 31 low-risk controls. Children, diagnosed with dyslexia in third grade (mean age = 8 years 3…
Descriptors: Longitudinal Studies, Dyslexia, Motion, Etiology
Ladouceur, Cecile D.; Almeida, Jorge R. C.; Birmaher, Boris; Axelson, David A.; Nau, Sharon; Kalas, Catherine; Monk, Kelly; Kupfer, David J.; Phillips, Mary L. – Journal of the American Academy of Child & Adolescent Psychiatry, 2008
A study is conducted to examine the extent to which bipolar disorder (BD) is associated with gray matter volume abnormalities in brain regions in healthy bipolar offspring relative to age-matched controls. Results show increased gray matter volume in the parahippocampus/hippocampus in healthy offspring at genetic risk for BD.
Descriptors: Language Impairments, Neurology, Brain, Mental Disorders
Elwess, Nancy L.; Duprey, Stephen L.; Harney, Lindesay A.; Langman, Jessie E.; Marino, Tara C.; Martinez, Carolina; McKeon, Lauren L.; Moss, Chantel I. E.; Myrie, Sasha S.; Taylor, Luke Ryan – Bioscene: Journal of College Biology Teaching, 2008
"Alu"-insertion polymorphisms were used by an undergraduate Bioinformatics class to study how these insertion sites could be the basis for an investigation in human population genetics. Based on the students' investigation, both allele and genotype "Alu" frequencies were determined for African-American and Japanese populations as well as a…
Descriptors: Investigations, Genetics, Biodiversity, Undergraduate Students
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