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Roberts, Jane E.; Hatton, Deborah D.; Long, Anna C. J.; Anello, Vittoria; Colombo, John – Journal of Autism and Developmental Disorders, 2012
Aberrant attention is a core feature of fragile X syndrome (FXS), however, little is known regarding the developmental trajectory and underlying physiological processes of attention deficits in FXS. Atypical visual attention is an early emerging and robust indicator of autism in idiopathic (non-FXS) autism. Using a biobehavioral approach with gaze…
Descriptors: Child Development, Autism, Infants, Visual Perception
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Nikolas, Molly; Klump, Kelly L.; Burt, S. Alexandra – Journal of Abnormal Child Psychology, 2012
Identification of gene x environment interactions (GxE) for attention-deficit hyperactivity disorder (ADHD) is a crucial component to understanding the mechanisms underpinning the disorder, as prior work indicates large genetic influences and numerous environmental risk factors. Building on prior research, children's appraisals of self-blame were…
Descriptors: Attention Deficit Hyperactivity Disorder, Check Lists, Twins, Conflict
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Martin, Gary E.; Roberts, Joanne E.; Helm-Estabrooks, Nancy; Sideris, John; Vanderbilt, Jacqueline; Moskowitz, Lauren – American Journal on Intellectual and Developmental Disabilities, 2012
Verbal perseveration is a frequently reported language characteristic of males with Fragile X syndrome and may be a defining feature or hallmark of the syndrome. We compared the verbal perseveration of boys with Fragile X syndrome with (n = 29) and without (n = 30) autism spectrum disorder, boys with Down syndrome (n = 27), and typically…
Descriptors: Interpersonal Relationship, Autism, Males, Down Syndrome
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Lee, Nancy Raitano; Wallace, Gregory L.; Adeyemi, Elizabeth I.; Lopez, Katherine C.; Blumenthal, Jonathan D.; Clasen, Liv S.; Giedd, Jay N. – Journal of Child Psychology and Psychiatry, 2012
Background: Supernumerary sex chromosome aneuploidies (X/Y-aneuploidies), the presence of extra X and/or Y chromosomes, are associated with heightened rates of language impairments and social difficulties. However, no single study has examined different language domains and social functioning in the same sample of children with tri-, tetra-, and…
Descriptors: Autism, Language Impairments, Language Skills, Genetic Disorders
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Rice, Katherine; Moriuchi, Jennifer M.; Jones, Warren; Klin, Ami – Journal of the American Academy of Child & Adolescent Psychiatry, 2012
Objective: To examine patterns of variability in social visual engagement and their relationship to standardized measures of social disability in a heterogeneous sample of school-aged children with autism spectrum disorders (ASD). Method: Eye-tracking measures of visual fixation during free-viewing of dynamic social scenes were obtained for 109…
Descriptors: Video Technology, Autism, Older Adults, Eye Movements
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Ens, S.; Olson, A. B.; Dudley, C.; Ross, N. D., III; Siddiqi, A. A.; Umoh, K. M.; Schneegurt, M. A. – Biochemistry and Molecular Biology Education, 2012
Gel electrophoresis is the single most important molecular biology technique and it is central to life sciences research, but it is often too expensive for the secondary science classroom or homeschoolers. A simple safe low-cost procedure is described here that uses household materials to construct and run DNA gel electrophoresis. Plastic…
Descriptors: Science Activities, Physical Sciences, Genetics, Cytology
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Beetz, Christian; Schule, Rebecca; Deconinck, Tine; Tran-Viet, Khanh-Nhat; Zhu, Hui; Kremer, Berry P. H.; Frints, Suzanna G. M.; van Zelst-Stams, Wendy A. G.; Byrne, Paula; Otto, Susanne; Nygren, Anders O. H.; Baets, Jonathan; Smets, Katrien; Ceulemans, Berten; Dan, Bernard; Nagan, Narasimhan; Kassubek, Jan; Klimpe, Sven; Klopstock, Thomas; Stolze, Henning; Smeets, Hubert J. M.; Schrander-Stumpel, Constance T. R. M.; Hutchinson, Michael; van de Warrenburg, Bart P.; Braastad, Corey; Deufel, Thomas; Pericak-Vance, Margaret; Schols, Ludger; de Jonghe, Peter; Zuchner, Stephan – Brain, 2008
Mutations in the receptor expression enhancing protein 1 (REEP1) have recently been reported to cause autosomal dominant hereditary spastic paraplegia (HSP) type SPG31. In a large collaborative effort, we screened a sample of 535 unrelated HSP patients for "REEP1" mutations and copy number variations. We identified 13 novel and 2 known "REEP1"…
Descriptors: Neurological Impairments, Genetics, Genetic Disorders, Correlation
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Pauli-Pott, Ursula; Dalir, Silke; Mingebach, Tanja; Roller, Alisa; Becker, Katja – Journal of Child Psychology and Psychiatry, 2013
Background: Inhibitory control (IC) has been regarded as a neuropsychological basic deficit and as an endophenotype of attention deficit/hyperactivity disorder (ADHD). Implicated here are mediation processes between etiological factors and ADHD symptoms. We thus analyze whether and to what extent executive IC and delay aversion (DA; i.e.,…
Descriptors: Attention Deficit Hyperactivity Disorder, Neuropsychology, Structured Interviews, Symptoms (Individual Disorders)
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Srougi, Melissa C.; Miller, Heather B.; Witherow, D. Scott; Carson, Susan – Biochemistry and Molecular Biology Education, 2013
Providing students with assignments that focus on critical thinking is an important part of their scientific and intellectual development. However, as class sizes increase, so does the grading burden, prohibiting many faculty from incorporating critical thinking assignments in the classroom. In an effort to continue to provide our students with…
Descriptors: Undergraduate Study, College Science, Science Instruction, Molecular Biology
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Schendel, Diana E.; Bresnahan, Michaeline; Carter, Kim W.; Francis, Richard W.; Gissler, Mika; Grønborg, Therese K.; Gross, Raz; Gunnes, Nina; Hornig, Mady; Hultman, Christina M.; Langridge, Amanda; Lauritsen, Marlene B.; Leonard, Helen; Parner, Erik T.; Reichenberg, Abraham; Sandin, Sven; Sourander, Andre; Stoltenberg, Camilla; Suominen, Auli; Surén, Pål; Susser, Ezra – Journal of Autism and Developmental Disorders, 2013
The International Collaboration for Autism Registry Epidemiology (iCARE) is the first multinational research consortium (Australia, Denmark, Finland, Israel, Norway, Sweden, USA) to promote research in autism geographical and temporal heterogeneity, phenotype, family and life course patterns, and etiology. iCARE devised solutions to challenges in…
Descriptors: Autism, Epidemiology, International Cooperation, Consortia
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Weinmann, Carina; Löb, Charlotte; Mattheiß, Tamara; Vorderer, Peter – Educational Media International, 2013
This study examined the potential of entertainment-education (E-E) for promoting engagement with a science issue. It was assumed that certain entertaining features of a media experience increase viewers' perceived knowledge about an issue. Drawing on different theoretical models of E-E and on persuasive effects of narrative media messages, three…
Descriptors: Foreign Countries, Science Instruction, Films, Knowledge Level
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Baker, Ryan S.; Hershkovitz, Arnon; Rossi, Lisa M.; Goldstein, Adam B.; Gowda, Sujith M. – Journal of the Learning Sciences, 2013
We present a new method for analyzing a student's learning over time for a specific skill: analysis of the graph of the student's moment-by-moment learning over time. Moment-by-moment learning is calculated using a data-mined model that assesses the probability that a student learned a skill or concept at a specific time during learning (Baker,…
Descriptors: Learning Processes, Intelligent Tutoring Systems, Probability, Skill Development
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Adler, Jacob J.; Judd, Mariah V.; Bringman, Lauren R.; Wells, Clark D.; Marrs, Kathleen A. – American Biology Teacher, 2013
We developed an interactive laboratory that allows students to identify and grade tissue samples from human breast biopsies, using techniques similar to those used by actual pathologists. This unique lab develops a practical and intellectual understanding of basic tissue structures that make up living systems, utilizing technology to bring…
Descriptors: Pathology, Science Instruction, Cancer, Laboratory Experiments
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Brown, Hannah M.; McAdams, Tom A.; Lester, Kathryn J.; Goodman, Robert; Clark, David M.; Eley, Thalia C. – Journal of Child Psychology and Psychiatry, 2013
Background: Twin studies in children reveal that familial aggregation of anxiety disorders is due to both genetic and environmental factors. Cognitive biases for threat information are considered a robust characteristic of childhood anxiety. However, little is known regarding the underlying aetiology of such biases and their role in anxiety…
Descriptors: Anxiety Disorders, Children, Etiology, Family Influence
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Boivin, Michel; Brendgen, Mara; Vitaro, Frank; Dionne, Ginette; Girard, Alain; Perusse, Daniel; Tremblay, Richard E. – Child Development, 2013
This study assessed the genetic and environmental contributions to peer difficulties in the early school years. Twins' peer difficulties were assessed longitudinally in kindergarten (796 twins, "M"[subscript age] = 6.1 years), Grade 1 (948 twins, "M"[subscript age] = 7.1 years), and Grade 4 (868 twins, "M"[subscript…
Descriptors: Twins, Kindergarten, Genetics, Grade 1
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