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Autistic spectrum disorder

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https://www.readbyqxmd.com/read/28102641/evidence-of-a-reduction-over-time-in-the-behavioral-severity-of-autistic-disorder-diagnoses
#1
Andrew J O Whitehouse, Matthew N Cooper, Keely Bebbington, Gail Alvares, Ashleigh Lin, John Wray, Emma J Glasson
The increasing prevalence of Autism Spectrum Disorders (ASD) may in part be due to a shift in the diagnostic threshold that has led to individuals with a less severe behavioral phenotype receiving a clinical diagnosis. This study examined whether there were changes over time in the qualitative and quantitative phenotype of individuals who received the diagnosis of Autistic Disorder. Data were from a prospective register of new diagnoses in Western Australia (n = 1252). From 2000 to 2006, we examined differences in both the percentage of newly diagnosed cases that met each criterion as well as severity ratings of the behaviors observed (not met, partially met, mild/moderate and extreme)...
January 19, 2017: Autism Research: Official Journal of the International Society for Autism Research
https://www.readbyqxmd.com/read/28100473/delineating-the-phenotypic-spectrum-of-bainbridge-ropers-syndrome-12-new-patients-with-de-novo-heterozygous-loss-of-function-mutations-in-asxl3-and-review-of-published-literature
#2
M Balasubramanian, J Willoughby, A E Fry, A Weber, H V Firth, C Deshpande, J N Berg, K Chandler, K A Metcalfe, W Lam, D Pilz, S Tomkins
BACKGROUND: Bainbridge-Ropers syndrome (BRPS) is a recently described developmental disorder caused by de novo truncating mutations in the additional sex combs like 3 (ASXL3) gene. To date, there have been fewer than 10 reported patients. OBJECTIVES: Here, we delineate the BRPS phenotype further by describing a series of 12 previously unreported patients identified by the Deciphering Developmental Disorders study. METHODS: Trio-based exome sequencing was performed on all 12 patients included in this study, which found a de novo truncating mutation in ASXL3...
January 18, 2017: Journal of Medical Genetics
https://www.readbyqxmd.com/read/28089559/microglia-derived-neuregulin-expression-in-psychiatric-disorders
#3
Daisuke Ikawa, Manabu Makinodan, Keiko Iwata, Masahiro Ohgidani, Takahiro A Kato, Yasunori Yamashita, Kazuhiko Yamamuro, Sohei Kimoto, Michihiro Toritsuka, Takahira Yamauchi, Shin-Ichi Fukami, Hiroki Yoshino, Kazuki Okumura, Tatsuhide Tanaka, Akio Wanaka, Yuji Owada, Masatsugu Tsujii, Toshiro Sugiyama, Kenji Tsuchiya, Norio Mori, Ryota Hashimoto, Hideo Matsuzaki, Shigenobu Kanba, Toshifumi Kishimoto
Several studies have revealed that neuregulins (NRGs) are involved in brain function and psychiatric disorders. While NRGs have been regarded as neuron- or astrocyte-derived molecules, our research has revealed that microglia also express NRGs, levels of which are markedly increased in activated microglia. Previous studies have indicated that microglia are activated in the brains of individuals with autism spectrum disorders (ASD). Therefore, we investigated microglial NRG mRNA expression in multiple lines of mice considered models of ASD...
January 9, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28089368/the-transition-from-pediatric-to-adult-care-for-youth-with-epilepsy-basic-biological-sociological-and-psychological-issues
#4
REVIEW
Peter Camfield, Carol Camfield, Kanetee Busiah, David Cohen, Alison Pack, Rima Nabbout
Transition from pediatric to adult health care for adolescents with epilepsy is challenging for the patient, family, and health care workers. This paper is the first of three that summarize the main findings from the 2nd Symposium on Transition in Epilepsies, held in Paris from June 14-25, 2016. In this paper we describe five basic themes that have an important effect on transition. First, there are important brain changes in adolescence that leave an imbalance between risk taking and pleasure seeking behaviors and frontal executive function compared with adults...
January 12, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28089135/phenotypic-continuum-between-autism-and-schizophrenia-evidence-from-the-movie-for-the-assessment-of-social-cognition-masc
#5
Gilles Martinez, Charlotte Alexandre, Célia Mam-Lam-Fook, Narjes Bendjemaa, Raphaël Gaillard, Patricia Garel, Isabel Dziobek, Isabelle Amado, Marie-Odile Krebs
Schizophrenic (SCZ) and autism (ASD) spectrum disorders share several features including social cognition impairments. In SCZ, the link between symptomatic dimensions and social cognition deficits remains unclear. The Movie for the Assessment of Social Cognition (MASC) test, available in several languages including English, investigates mental state attribution capabilities in complex interpersonal situations. After its translation into French, we used MASC to direct compare social cognition in 36 young participants with SCZ to 19 with ASD and 20 healthy controls (HC) matched for gender, age (18-25y...
January 11, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28088366/serum-levels-of-glial-fibrillary-acidic-protein-in-chinese-children-with-autism-spectrum-disorders
#6
Jingwei Wang, Qiuyan Zou, Renfeng Han, Yupeng Li, Yulin Wang
OBJECTIVE: Glial fibrillary acidic protein (GFAP) has been studied in many neurological diseases. The purpose of this study is to investigate the potential role of GFAP in Chinese children with autism spectrum disorders (ASD) by measuring serum circulating levels of GFAP and comparing them with age and gender-matched typical development children. METHODS: A total of one hundred and fifty 2-6 years old Chinese children (75 confirmed autism cases and 75 their age-gender matched typical development children) participated in this study...
January 11, 2017: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/28079875/early-postnatal-illness-severity-scores-predict-neurodevelopmental-impairments-at-10-years-of-age-in-children-born-extremely-preterm
#7
J W Logan, O Dammann, E N Allred, C Dammann, K Beam, R M Joseph, T M O'Shea, A Leviton, K C K Kuban
OBJECTIVE: A neonatal illness severity score, The Score for Neonatal Acute Physiology-II (SNAP-II), predicts neurodevelopmental impairments at two years of age among children born extremely preterm. We sought to evaluate to what extent SNAP-II is predictive of cognitive and other neurodevelopmental impairments at 10 years of age. STUDY DESIGN: In a cohort of 874 children born before 28 weeks of gestation, we prospectively collected clinical, physiologic and laboratory data to calculate SNAP-II for each infant...
January 12, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/28075089/autism-spectrum-disorder-primary-care-principles
#8
Kristian E Sanchack, Craig A Thomas
Autism spectrum disorder is characterized by difficulty with social communication and restricted, repetitive patterns of behavior, interest, or activities. The Diagnostic and Statistical Manual of Mental Disorders, 5th ed., created an umbrella diagnosis that includes several previously separate conditions: autistic disorder, Asperger syndrome, childhood disintegrative disorder, and pervasive developmental disorder not otherwise specified. There is insufficient evidence to recommend screening for autism spectrum disorder in children 18 to 30 months of age in whom the disorder is not suspected; however, there is a growing body of evidence that early intensive behavioral intervention based on applied behavior analysis improves cognitive ability, language, and adaptive skills...
December 15, 2016: American Family Physician
https://www.readbyqxmd.com/read/28074464/investigation-of-hand-function-among-children-diagnosed-with-autism-spectrum-disorder-with-upper-extremity-trauma-history
#9
Meral Huri, Sedef Şahin, Hülya Kayıhan
BACKGROUND: The present study was designed to compare hand function in autistic children with history of upper extremity trauma with that of autistic children those who do not have history of trauma. METHODS: The study group included total of 65 children diagnosed with autism spectrum disorder (ASD) and was divided into 2 groups: children with trauma history (Group I) and control group (Group II) (Group I: n=28; Group II: n=37). Hand function was evaluated with 9-Hole Peg Test and Jebsen Hand Function Test...
November 2016: Ulusal Travma Ve Acil Cerrahi Dergisi, Turkish Journal of Trauma & Emergency Surgery: TJTES
https://www.readbyqxmd.com/read/28074329/dietary-adequacy-of-egyptian-children-with-autism-spectrum-disorder-compared-to-healthy-developing-children
#10
Nagwa A Meguid, Mona Anwar, Geir Bjørklund, Adel Hashish, Salvatore Chirumbolo, Maha Hemimi, Eman Sultan
Although the etiology and pathology of autism spectrum disorder (ASD) is still poorly understood, a number of environmental, anthropological, neurobiological and genetic factors have been related to the pathophysiology of ASD, even the impact of oxidative stress response related to the environment and nutrition intake. Usual recommended dietary habits are based on the combination of behavioral and dietary or nutraceutical interventions together with pharmacotherapy. Investigations about a reliable relationship between diet and ASD are still lacking...
January 10, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28064558/a-hyperlexic-like-reading-style-is-associated-with-increased-autistic-features-in-girls-with-adhd
#11
Jakob Åsberg Johnels, Christopher Gillberg, Svenny Kopp
OBJECTIVE: Hyperlexic-like reading (defined as word decoding much better than comprehension) has been associated with autism spectrum disorder (ASD). Here we study correlates of a hyperlexic-like reading style (HPL) in ADHD, a condition known to co-occur both with reading difficulties and ASD. METHOD: We compared 10 girls with an ADHD diagnosis plus HPL with 26 with ADHD minus HPL. RESULTS: Girls with HPL scored marginally lower in reading comprehension but did not differ from non-HPL girls in IQ, vocabulary, or in the severity of ADHD ratings...
January 1, 2017: Journal of Attention Disorders
https://www.readbyqxmd.com/read/28057930/atypical-developmental-trajectory-of-local-spontaneous-brain-activity-in-autism-spectrum-disorder
#12
Xiaonan Guo, Heng Chen, Zhiliang Long, Xujun Duan, Youxue Zhang, Huafu Chen
Autism spectrum disorder (ASD) is marked by atypical trajectory of brain maturation, yet the developmental abnormalities in brain function remain unclear. The current study examined the effect of age on amplitude of low-frequency fluctuations (ALFF) in ASD and typical controls (TC) using a cross-sectional design. We classified all the participants into three age cohorts: child (<11 years, 18ASD/20TC), adolescent (11-18 years, 28ASD/26TC) and adult (≥18 years, 18ASD/18TC). Two-way analysis of variance (ANOVA) was performed to ascertain main effects and interaction effects on whole brain ALFF maps...
January 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28053282/psychological-adjustment-of-siblings-of-children-with-autism-spectrum-disorder-in-hong-kong
#13
J Yn Chan, K Yc Lai
OBJECTIVES: Findings about the psychological adjustment of siblings of children with autism spectrum disorder have been inconsistent in western literature and little is known among non-western societies. This study explored the psychological adjustment of siblings of children with autism spectrum disorder in Hong Kong. METHODS: A total of 116 families with siblings of children with autism spectrum disorders co-morbid with learning disability were included in the study...
December 2016: East Asian Archives of Psychiatry: Official Journal of the Hong Kong College of Psychiatrists
https://www.readbyqxmd.com/read/28051218/parental-satisfaction-of-an-assessment-unit-for-autistic-spectrum-disorders
#14
Arwa Ben Amor, Soumeyya Halayem, Maissa Touati, Ahlem Belhadj, Riadh Gouider, Ridha Mrad, Asma Bouden
Background - Based on the recognized principles of assessment of autistic disorders, the child and adolescent psychiatry department in Razi Hospital developed an assessment unit with diagnostic as well as therapeutic roles. The aim of this work was to examine its functioning and to analyze the parents' perceptions about the unit services. Methods - We gathered the parental satisfaction about the unit by the means of a hetero-questionnaire. Results - Fifty-two parents of children evaluated within the unit were included...
June 2016: La Tunisie Médicale
https://www.readbyqxmd.com/read/28051072/novel-homozygous-missense-variant-of-grin1-in-two-sibs-with-intellectual-disability-and-autistic-features-without-epilepsy
#15
Massimiliano Rossi, Nicolas Chatron, Audrey Labalme, Dorothée Ville, Maryline Carneiro, Patrick Edery, Vincent des Portes, Johannes R Lemke, Damien Sanlaville, Gaetan Lesca
We report on two consanguineous sibs affected with severe intellectual disability and autistic features due to a homozygous missense variant of GRIN1. Massive parallel sequencing was performed using a gene panel including 450 genes related to intellectual disability and autism spectrum disorders. We found a homozygous missense variation of GRIN1 (c.679G>C; p.(Asp227His)) in the two affected sibs, which was inherited from both unaffected heterozygous parents. Heterozygous variants of GRIN1, encoding the GluN1 subunit of the NMDA receptor, have been reported in patients with neurodevelopmental disorders including epileptic encephalopathy, severe intellectual disability, and movement disorders...
January 4, 2017: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/28044025/the-singular-nature-of-auditory-and-visual-scene-analysis-in-autism
#16
REVIEW
I-Fan Lin, Aya Shirama, Nobumasa Kato, Makio Kashino
Individuals with autism spectrum disorder often have difficulty acquiring relevant auditory and visual information in daily environments, despite not being diagnosed as hearing impaired or having low vision. Resent psychophysical and neurophysiological studies have shown that autistic individuals have highly specific individual differences at various levels of information processing, including feature extraction, automatic grouping and top-down modulation in auditory and visual scene analysis. Comparison of the characteristics of scene analysis between auditory and visual modalities reveals some essential commonalities, which could provide clues about the underlying neural mechanisms...
February 19, 2017: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28040627/complete-recovery-from-anxiety-disorders-following-cognitive-behavior-therapy-in-children-and-adolescents-a-meta-analysis
#17
REVIEW
Helen Warwick, Tessa Reardon, Peter Cooper, Kou Murayama, Shirley Reynolds, Charlotte Wilson, Cathy Creswell
Cognitive Behavior Therapy (CBT) is a well-established treatment for childhood anxiety disorders. Meta-analyses have concluded that approximately 60% of children recover following treatment, however these include studies using a broad range of diagnostic indices to assess outcomes including whether children are free of the one anxiety disorder that causes most interference (i.e. the primary anxiety disorder) or whether children are free of all anxiety disorders. We conducted a meta-analysis to establish the efficacy of CBT in terms of absence of all anxiety disorders...
December 21, 2016: Clinical Psychology Review
https://www.readbyqxmd.com/read/28034801/testing-the-correlation-between-experimentally-induced-hypothyroidism-during-pregnancy-and-autistic-like-symptoms-in-the-rat-offspring
#18
Francesca Melancia, Michela Servadio, Sara Schiavi, Patrizia Campolongo, Alexandre Giusti-Paiva, Viviana Trezza
Thyroid hormones are important for the development of the central nervous system. Since the fetal thyroid gland is not functioning until mid-gestation, transport of maternal thyroid hormones across the placenta is essential during the early phases of gestation. Maternal thyroid deficiency has been associated with a higher incidence of neurodevelopmental disorders in the newborns. The relationship between maternal hypothyroidism and the onset of autism spectrum disorders (ASD) in the offspring, however, is still debated...
December 26, 2016: Behavioural Brain Research
https://www.readbyqxmd.com/read/28025035/resveratrol-suppresses-neuroinflammation-in-the-experimental-paradigm-of-autism-spectrum-disorders
#19
Ranjana Bhandari, Anurag Kuhad
BACKGROUND: Neuronal dysfunction caused by neuroinflammation triggered by the stimulation of matrix metalloproteinases and the subsequent release of pro-inflammatory cytokines, as a result of oxidative stress and mitochondrial dysfunction, is one of the probable mechanisms involved in the pathogenesis of autism spectrum disorders (ASD). The aim of the present study was to explore the ameliorative potential of resveratrol on neuroinflammation in the experimental paradigm of neuroinflammatory model of ASD in rats...
December 23, 2016: Neurochemistry International
https://www.readbyqxmd.com/read/28024179/co-occurrence-of-autistic-and-schizotypal-traits-and-its-association-with-emotional-and-psychosocial-function-in-chinese-college-students
#20
Li-Juan Shi, Wen-Hua Liu, Hai-Song Shi, Chao Yan, Ya Wang, Yi Wang, Eric F C Cheung, Raymond C K Chan
Empirical findings suggest an overlap between autism spectrum disorders (ASD) and schizophrenia spectrum disorders (SSD). Co-occurring autistic and positive schizotypal traits may have a moderating effect on behaviour and cognition. This study attempted to examine the co-occurrence rate of autistic and schizotypal traits in otherwise healthy college students and to test the moderating effect of co-occurring autistic and schizotypal traits on executive function, emotion processing and social function. Eight hundred and sixty-four participants took part in the present study...
December 20, 2016: Psychiatry Research
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