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developmental language disorder

Steve Majerus, Nelson Cowan
Verbal short-term memory (STM) impairment is one of the most consistent associated deficits observed in developmental reading disorders such as dyslexia. Few studies have addressed the nature of this STM impairment, especially as regards the ability to temporarily store serial order information. This question is important as studies in typically developing children have shown that serial order STM abilities are predictors of oral and written language development. Associated serial order STM deficits in dyslexia may therefore further increase the learning difficulties in these populations...
2016: Frontiers in Psychology
Anthony R Mawson, Nola T Radford, Binu Jacob
Stuttering affects about 1% of the general population and from 8 to 11% of children. The onset of persistent developmental stuttering (PDS) typically occurs between 2 and 4 years of age. The etiology of stuttering is unknown and a unifying hypothesis is lacking as of now. Clues to the pathogenesis of stuttering include the following observations: PDS is associated with adverse perinatal outcomes and birth-associated trauma; stuttering can recur or develop in adulthood following traumatic events such as brain injury and stroke; PDS is associated with structural and functional abnormalities in the brain associated with speech and language; and stuttering resolves spontaneously in a high percentage of affected children...
October 18, 2016: European Neurology
Frédérique J Liégeois, Michael S Hildebrand, Alexandra Bonthrone, Samantha J Turner, Ingrid E Scheffer, Melanie Bahlo, Alan Connelly, Angela T Morgan
FOXP2 is the major gene associated with severe, persistent, developmental speech and language disorders. While studies in the original family in which a FOXP2 mutation was found showed volume reduction and reduced activation in core language and speech networks, there have been no imaging studies of different FOXP2 mutations. We conducted a multimodal MRI study in an eight-year-old boy (A-II) with a de novo FOXP2 intragenic deletion. A-II showed marked bilateral volume reductions in the hippocampus, thalamus, globus pallidus, and caudate nucleus compared with 26 control males (effect sizes from -1 to -3)...
October 13, 2016: Scientific Reports
Mari Videman, Susanna Stjerna, Reina Roivainen, Taina Nybo, Sampsa Vanhatalo, Eija Gaily, Jukka M Leppänen
INTRODUCTION: Prenatal antiepileptic drug (AED) exposure is associated with an increased risk of cognitive impairment and autism spectrum disorders detected mainly at the age of two to six years. We examined whether the developmental aberrations associated with prenatal AED exposure could be detected already in infancy and whether effects on visual attention can be observed at this early age. MATERIAL AND METHODS: We compared a prospective cohort of infants with in utero exposure to AED (n=56) with infants without drug exposures (n=62)...
October 9, 2016: Epilepsy & Behavior: E&B
Lindsey Edwards, Lynne Aitkenhead, Dawn Langdon
OBJECTIVE: This study aimed to establish the relationship between short-term memory capacity and reading skills in adolescents with cochlear implants. METHODS AND MATERIALS: A between-groups design compared a group of young people with cochlear implants with a group of hearing peers on measures of reading, and auditory and visual short-term memory capacity. The groups were matched for non-verbal IQ and age. The adolescents with cochlear implants were recruited from the Cochlear Implant Programme at a specialist children's hospital...
November 2016: International Journal of Pediatric Otorhinolaryngology
Lauren E Miller, Jeffrey D Burke, Eva Troyb, Kelley Knoch, Lauren E Herlihy, Deborah A Fein
OBJECTIVE: Characterization of academic functioning in children with autism spectrum disorder (ASD), particularly predictors of achievement, may have important implications for intervention. The current study aimed to characterize achievement profiles, confirm associations between academic ability and concurrent intellectual and social skills, and explore preschool predictors of school-age academic achievement in a sample of children with ASD. METHOD: Children with ASD (n = 26) were evaluated at the approximate ages of two, four, and ten...
October 5, 2016: Clinical Neuropsychologist
Maureen A Lefton-Greif, Joan C Arvedson
Speech-language pathologists (SLPs) have played primary roles in the evaluation and management of children with feeding/swallowing disorders for more than five decades. Medical, surgical, and technological advances have improved the survival of young fragile infants and children, many of whom will present with feeding/swallowing problems. Regardless of their underlying etiologies, many of these children are at risk for aspiration-induced lung disease, undernutrition or malnutrition, developmental deficits, and stressful interactions with their caregivers...
November 2016: Seminars in Speech and Language
Anne Smith, Christine Weber
Remarkable progress has been made over the past two decades in expanding our understanding of the behavioral, peripheral physiologic, and central neurophysiologic bases of stuttering in early childhood. It is clear that stuttering is a neurodevelopmental disorder characterized by atypical development of speech motor planning and execution networks. The speech motor system must interact in complex ways with neural systems mediating language and other cognitive and emotional processes. During the time when stuttering typically appears and follows its path to either recovery or persistence, all of these neurobehavioral systems are undergoing rapid and dramatic developmental changes...
November 2016: Seminars in Speech and Language
Marilyn A Nippold
Adolescents with developmental language disorders often do not receive the type of intervention that would improve their ability to speak, listen, read, and write effectively. Part of the problem is that many of these young people show no obvious symptoms of a language disorder, yet they struggle on a daily basis to succeed at school-related tasks that require a sophisticated level of language development. This article discusses some of the challenges these students face and makes suggestions for what could be done to address the issues...
November 2016: Seminars in Speech and Language
Tanya M Evans, Michael T Ullman
Mathematical disability (MD) is a neurodevelopmental disorder affecting math abilities. Here, we propose a new explanatory account of MD, the procedural deficit hypothesis (PDH), which may further our understanding of the disorder. According to the PDH of MD, abnormalities of brain structures subserving the procedural memory system can lead to difficulties with math skills learned in this system, as well as problems with other functions that depend on these brain structures. This brain-based account is motivated in part by the high comorbidity between MD and language disorders such as dyslexia that may be explained by the PDH, and in part by the likelihood that learning automatized math skills should depend on procedural memory...
2016: Frontiers in Psychology
Zuzana Musova, Miroslava Hancarova, Marketa Havlovicova, Radka Pourova, Michal Hrdlicka, Josef Kraus, Marie Trkova, David Stejskal, Zdenek Sedlacek
Myotonic dystrophy type 1 (DM1) belongs to the broad spectrum of genetic disorders associated with autism spectrum disorders (ASD). ASD were reported predominantly in congenital and early childhood forms of DM1. We describe dizygotic twin boys with ASD who were referred for routine laboratory genetic testing and in whom karyotyping, FMR1 gene testing, and single nucleotide polymorphism array analysis yielded negative results. The father of the boys was later diagnosed with suspected DM1, and testing revealed characteristic DMPK gene expansions in his genome as well as in the genomes of both twins and their elder brother, who also suffered from ASD...
2016: Neuropsychiatric Disease and Treatment
Laura J Hahn, Nancy C Brady, Kandace K Fleming, Steven F Warren
Purpose: In this study, we examine joint engagement (JE) in young children with fragile X syndrome (FXS) and its relationship to language abilities and autism spectrum disorder symptomatology at 24 to 36 months (toddler period) and 59 to 68 months (child period). Method: Participants were 28 children with FXS (24 boys, four girls) and their mothers. Videotaped home observations were conducted during the toddler period and coded for JE. Language abilities were measured at both ages from a developmental assessment, a functional measure, and from a language sample...
September 28, 2016: Journal of Speech, Language, and Hearing Research: JSLHR
Angela Morgan, Alexandra Bonthrone, Frédérique J Liégeois
PURPOSE OF REVIEW: Developmental speech and language disorders are common, seen in one in 20 preschool children, in the absence of frank neurological deficits or intellectual impairment. They are a key reason parents seek help from paediatricians. Complex neurogenetic and environmental contributions underpin the disorders, yet few specific causes are known. With the advent of quantitative brain imaging, a growing number of studies have investigated neural contributions. Here, we discuss current MRI approaches and recent findings (January 2014-June 2016) in the field...
September 22, 2016: Current Opinion in Pediatrics
Waleed M Sweileh, Samah W Al-Jabi, Ansam F Sawalha, Sa'ed H Zyoud
BACKGROUND: Autism spectrum disorders (ASD) are a group conditions classified as neuro-developmental disorders. Research activity on ASD is important for all countries since such disorders have both social and health consequences. The objective of this study was to analyze research output on ASD during the period 2005-2014. METHODS: All articles relevant to ASD plus all articles published in autism journals were retrieved using Scopus database. VOSviewer software was used to create density and network visualization maps...
2016: SpringerPlus
Gerasimos Kolaitis, Christian G Bouwkamp, Alexia Papakonstantinou, Ioanna Otheiti, Maria Belivanaki, Styliani Haritaki, Terpsihori Korpa, Zinovia Albani, Elena Terzioglou, Polyxeni Apostola, Aggeliki Skamnaki, Athena Xaidara, Konstantina Kosma, Sophia Kitsiou-Tzeli, Maria Tzetis
BACKGROUND: This is a case with multiple chromosomal aberrations which are likely etiological for the observed psychiatric phenotype consisting of attention deficit hyperactivity and conduct disorders. CASE PRESENTATION: We report on an 11 year-old boy, admitted to the pediatric hospital for behavioral difficulties and a delayed neurodevelopmental trajectory. A cytogenetic analysis and high-resolution microarray comparative genomic hybridization (CGH) analysis was performed...
2016: Child and Adolescent Psychiatry and Mental Health
Mandy Ma, Heather R Adams, Laurie E Seltzer, William B Dobyns, Alex R Paciorkowski
OBJECTIVE: To differentiate developmental encephalopathies by creating a novel quantitative phenotyping tool. STUDY DESIGN: We created the Developmental Encephalopathy Inventory (DEI) to differentiate disorders with complex multisystem neurodevelopmental symptoms. We then used the DEI to study the phenotype features of 20 subjects with FOXG1 disorder and 11 subjects with MECP2 disorder. RESULTS: The DEI identified core domains of fine motor and expressive language that were severely impaired in both disorders...
September 15, 2016: Journal of Pediatrics
Beth A Earhart, Marian E Williams, Irina Zamora, Linda Marie Randolph, Jodie K Votava-Smith, Stephanie N Marcy
Duplication 7q11.23 syndrome is the reciprocal of Williams-Beuren deletion syndrome. Studies have reported a recognizable phenotype, including autism, intellectual disability, speech, and language delay, social anxiety, and behavioral difficulties in these individuals. Previous studies revealed a variety of craniofacial abnormalities, brain malformations, and cardiac abnormalities, including aortic dilation. This patient series evaluates five family members aged 2 months to 35 years, all with confirmed 7q11...
September 12, 2016: American Journal of Medical Genetics. Part A
M A Rahman, M M Zaman, M M Rahman, M Moniruzzaman, B Ahmed, F K Chhobi, N Rahman, M R Akter
Cerebral Palsy (CP) is one of the most common causes of all childhood disorders. There are tone, posture and movements difficulty due to non-progressive damage to the immature brain in CP. The hallmark of CP is a disability in the development of gross motor function (GMF). The influence of gross motor development on fine motor development is more important in early developmental period, specially under three years old and in children with CP. Various therapeutic interventions have been used in the management of GMF development...
July 2016: Mymensingh Medical Journal: MMJ
Marwan M Al-Sharbati, Yahya M Al-Farsi, Zena M Al-Sharbati, Fatima Al-Sulaimani, Allal Ouhtit, Samir Al-Adawi
OBJECTIVES: Early diagnosis and prompt treatment of mental and behavioral disorders in preschoolers is critical for a better prognosis, ultimately leading to improved quality of life for both the child and the family. Our study investigated the clinical profile of mental and behavioral disorders in children < 7 years of age, seeking consultation at Sultan Qaboos University Hospital, Muscat, Oman, between 1 June 2006 and 31 December 2010. The objective was to explore demographic variables, intervention types, and annual trends...
September 2016: Oman Medical Journal
David Hessl, Stephanie M Sansone, Elizabeth Berry-Kravis, Karen Riley, Keith F Widaman, Leonard Abbeduto, Andrea Schneider, Jeanine Coleman, Dena Oaklander, Kelly C Rhodes, Richard C Gershon
BACKGROUND: Recent advances in understanding molecular and synaptic mechanisms of intellectual disabilities (ID) in fragile X syndrome (FXS) and Down syndrome (DS) through animal models have led to targeted controlled trials with pharmacological agents designed to normalize these underlying mechanisms and improve clinical outcomes. However, several human clinical trials have failed to demonstrate efficacy of these targeted treatments to improve surrogate behavioral endpoints. Because the ultimate index of disease modification in these disorders is amelioration of ID, the validation of cognitive measures for tracking treatment response is essential...
2016: Journal of Neurodevelopmental Disorders
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