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https://www.readbyqxmd.com/read/28214050/communication-deficits-and-avoidance-of-angry-faces-in-children-with-autism-spectrum-disorder
#1
Ana García-Blanco, Concepción López-Soler, Máximo Vento, María Carmen García-Blanco, Belén Gago, Manuel Perea
BACKGROUND: Understanding how emotional faces are processed is important to help characterize the social deficits in Autism Spectrum Disorder (ASD). AIMS: We examined: (i) whether attention is modulated by emotional facial expression; (ii) the time course of the attentional preferences (short vs. long stimulus presentation rates); and (iii) the association between attentional biases and autistic symptomatology. METHOD AND PROCEDURES: We applied a dot-probe experiment with emotional faces (happy, sad, and angry)...
February 14, 2017: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/28213838/brief-report-autism-like-traits-are-associated-with-enhanced-ability-to-disembed-visual-forms
#2
Antoinette Sabatino DiCriscio, Vanessa Troiani
Atypical visual perceptual skills are thought to underlie unusual visual attention in autism spectrum disorders. We assessed whether individual differences in visual processing skills scaled with quantitative traits associated with the broader autism phenotype (BAP). Visual perception was assessed using the Figure-ground subtest of the Test of visual perceptual skills-3rd Edition (TVPS). In a large adult cohort (n = 209), TVPS-Figure Ground scores were positively correlated with autistic-like social features as assessed by the Broader autism phenotype questionnaire...
February 17, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28213836/the-psychometric-properties-of-a-new-measure-of-sensory-behaviors-in-autistic-children
#3
Louise Neil, Dido Green, Elizabeth Pellicano
Unusual reactions to sensory input became part of the diagnostic criteria for autism spectrum disorder in the DSM-5. Measures accurately assessing these symptoms are important for clinical decisions. This study examined the reliability and validity of the Sensory Behavior Questionnaire, a parent-report scale designed to assess frequency and impact of sensory behaviors in autistic children. The scale demonstrated excellent internal consistency and concurrent validity, and was a better predictor of autistic symptoms than the Short Sensory Profile within a group of 66 school-age autistic children...
February 17, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28211484/regulation-of-mrna-splicing-by-mecp2-via-epigenetic-modifications-in-the-brain
#4
Tian-Lin Cheng, Jingqi Chen, Huida Wan, Bin Tang, Weidong Tian, Lujian Liao, Zilong Qiu
Mutations of X-linked gene Methyl CpG binding protein 2 (MECP2) are the major causes of Rett syndrome (RTT), a severe neurodevelopmental disorder. Duplications of MECP2-containing genomic segments lead to severe autistic symptoms in human. MECP2-coding protein methyl-CpG-binding protein 2 (MeCP2) is involved in transcription regulation, microRNA processing and mRNA splicing. However, molecular mechanisms underlying the involvement of MeCP2 in mRNA splicing in neurons remain largely elusive. In this work we found that the majority of MeCP2-associated proteins are involved in mRNA splicing using mass spectrometry analysis with multiple samples from Mecp2-null rat brain, mouse primary neuron and human cell lines...
February 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28209607/parenting-for-autism-language-and-communication-evaluation-study-palaces-protocol-for-a-pilot-randomised-controlled-trial
#5
Margiad Elen Williams, Richard Hastings, Joanna Mary Charles, Sue Evans, Judy Hutchings
INTRODUCTION: Children with autistic spectrum disorder (ASD) often have associated behavioural difficulties that can present a challenge for parents and parenting. There are several effective social learning theory-based parenting programmes for dealing with behavioural difficulties, including the Incredible Years (IY) parent programmes. However, these programmes typically do not specifically target parents of children with ASD. Recently, a new addition to the IY suite of programmes known as the IY Autistic Spectrum and Language Delays (IY-ASLD) parent programme was developed...
February 16, 2017: BMJ Open
https://www.readbyqxmd.com/read/28202961/early-brain-development-in-infants-at-high-risk-for-autism-spectrum-disorder
#6
Heather Cody Hazlett, Hongbin Gu, Brent C Munsell, Sun Hyung Kim, Martin Styner, Jason J Wolff, Jed T Elison, Meghan R Swanson, Hongtu Zhu, Kelly N Botteron, D Louis Collins, John N Constantino, Stephen R Dager, Annette M Estes, Alan C Evans, Vladimir S Fonov, Guido Gerig, Penelope Kostopoulos, Robert C McKinstry, Juhi Pandey, Sarah Paterson, John R Pruett, Robert T Schultz, Dennis W Shaw, Lonnie Zwaigenbaum, Joseph Piven
Brain enlargement has been observed in children with autism spectrum disorder (ASD), but the timing of this phenomenon, and the relationship between ASD and the appearance of behavioural symptoms, are unknown. Retrospective head circumference and longitudinal brain volume studies of two-year olds followed up at four years of age have provided evidence that increased brain volume may emerge early in development. Studies of infants at high familial risk of autism can provide insight into the early development of autism and have shown that characteristic social deficits in ASD emerge during the latter part of the first and in the second year of life...
February 15, 2017: Nature
https://www.readbyqxmd.com/read/28198637/video-gaming-and-gaming-addiction-in-transgender-people-an-exploratory-study
#7
Jon Arcelus, Walter Pierre Bouman, Bethany Alice Jones, Christina Richards, Susana Jimenez-Murcia, Mark D Griffiths
Background There is anecdotal clinical evidence that transgender people use the online world - such as forums and online video gaming - for the purpose of experiencing their gender identity in a safe, non-threatening, non-alienating, non-stigmatizing, and non-critical environment. Aims To describe gaming behavior, degree of problematic gaming behavior and associated factors with problematic gaming in a comparatively large group of transgender people accessing transgender health services. Methods Every individual referred to a national transgender health service in the United Kingdom during a 12-month period was invited to complete a series of questionnaires to measure gaming behavior, interpersonal functioning, severity of autistic features, and anxiety and depressive symptoms...
February 15, 2017: Journal of Behavioral Addictions
https://www.readbyqxmd.com/read/28193868/dopamine-in-the-medial-amygdala-network-mediates-human-bonding
#8
Shir Atzil, Alexandra Touroutoglou, Tali Rudy, Stephanie Salcedo, Ruth Feldman, Jacob M Hooker, Bradford C Dickerson, Ciprian Catana, Lisa Feldman Barrett
Research in humans and nonhuman animals indicates that social affiliation, and particularly maternal bonding, depends on reward circuitry. Although numerous mechanistic studies in rodents demonstrated that maternal bonding depends on striatal dopamine transmission, the neurochemistry supporting maternal behavior in humans has not been described so far. In this study, we tested the role of central dopamine in human bonding. We applied a combined functional MRI-PET scanner to simultaneously probe mothers' dopamine responses to their infants and the connectivity between the nucleus accumbens (NAcc), the amygdala, and the medial prefrontal cortex (mPFC), which form an intrinsic network (referred to as the "medial amygdala network") that supports social functioning...
February 13, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28191983/mental-health-of-extremely-low-birth-weight-survivors-a-systematic-review-and-meta-analysis
#9
Karen J Mathewson, Cheryl H T Chow, Kathleen G Dobson, Eliza I Pope, Louis A Schmidt, Ryan J Van Lieshout
Although individuals born at extremely low birth weight (ELBW; < 1,000 g) are the most vulnerable of all preterm survivors, their risk for mental health problems across the life span has not been systematically reviewed. The primary objective of this systematic review and meta-analysis was to ascertain whether the risk for mental health problems is greater for ELBW survivors than their normal birth weight (NBW) peers in childhood, adolescence, and adulthood. Forty-one studies assessing 2,712 ELBW children, adolescents, and adults and 11,127 NBW controls were reviewed...
February 13, 2017: Psychological Bulletin
https://www.readbyqxmd.com/read/28185043/exploring-the-cognitive-foundations-of-the-shared-attention-mechanism-evidence-for-a-relationship-between-self-categorization-and-shared-attention-across-the-autism-spectrum
#10
Daniel P Skorich, Tahlia B Gash, Katie L Stalker, Lidan Zheng, S Alexander Haslam
The social difficulties of autism spectrum disorder (ASD) are typically explained as a disruption in the Shared Attention Mechanism (SAM) sub-component of the theory of mind (ToM) system. In the current paper, we explore the hypothesis that SAM's capacity to construct the self-other-object relations necessary for shared-attention arises from a self-categorization process, which is weaker among those with more autistic-like traits. We present participants with self-categorization and shared-attention tasks, and measure their autism-spectrum quotient (AQ)...
February 9, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28182283/chromatographic-determination-of-harmalans-in-the-urine-of-autistic-children
#11
Joanna Kałużna-Czaplińska, Jagoda Jóźwik-Pruska, Andrea Axt
This paper presents a new approach to autism- a complex and still enigmatic condition. We present the results of our preliminary research which was based on the detection of the hallucinogenic substance 6- (or 10-) methoxyharmalan in the urine samples of autistic children with the use of chromatographic methods. Additionally, we aim to describe the relationship between the level of tryptophan and harmalan, and the influence of supplementation on the level of this compound. We applied HPLC-UV/Vis, HPLC-DAD and LC-MS in order to determine McIsaac's compound in the urine samples obtained from autistic children (n = 132) and healthy individuals (n = 10)...
February 9, 2017: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/28181411/infant-muscle-tone-and-childhood-autistic-traits-a-longitudinal-study-in-the-general-population
#12
Fadila Serdarevic, Akhgar Ghassabian, Tamara van Batenburg-Eddes, Tonya White, Laura M E Blanken, Vincent W V Jaddoe, Frank C Verhulst, Henning Tiemeier
In a longitudinal population-based study of 2,905 children, we investigated if infants' neuromotor development was associated with autistic traits in childhood. Overall motor development and muscle tone were examined by trained research assistants with an adapted version of Touwen's Neurodevelopmental Examination between ages 2 and 5 months. Tone was assessed in several positions and items were scored as normal, low, or high tone. Parents rated their children's autistic traits with the Social Responsiveness Scale (SRS) and the Pervasive Developmental Problems (PDP) subscale of the Child Behavior Checklist at 6 years...
February 9, 2017: Autism Research: Official Journal of the International Society for Autism Research
https://www.readbyqxmd.com/read/28174603/mlpa-analysis-in-a-cohort-of-patients-with-autism
#13
Sara Peixoto, Joana B Melo, José Ferrão, Luís M Pires, Nuno Lavoura, Marta Pinto, Guiomar Oliveira, Isabel M Carreira
BACKGROUND: Autism is a global neurodevelopmental disorder which generally manifests during the first 2 years and continues throughout life, with a range of symptomatic variations. Epidemiological studies show an important role of genetic factors in autism and several susceptible regions and genes have been identified. The aim of our study was to validate a cost-effective set of commercial Multiplex Ligation dependent Probe Amplification (MLPA) and methylation specific multiplex ligation dependent probe amplification (MS-MLPA) test in autistic children refered by the neurodevelopmental center and autism unit of a Paediatric Hospital...
2017: Molecular Cytogenetics
https://www.readbyqxmd.com/read/28167942/distinct-cytokine-and-chemokine-profiles-in-autism-spectrum-disorders
#14
Yvonne M Y Han, Winnie K Y Cheung, Chun Kwok Wong, Sophia L Sze, Timmy W S Cheng, Michael K Yeung, Agnes S Chan
Previous studies have shown that immunological factors are involved in the pathogenesis of autism spectrum disorders (ASDs). However, this research has been conducted almost exclusively in Western contexts, and only a handful of studies on immune measures have been conducted in Asian populations, such as Chinese populations. The present study examined whether immunological abnormalities are associated with cognitive deficits and problem behaviors in Chinese children with ASD and whether these children show different immunological profiles...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28167244/impact-of-risperidone-on-leptin-and-insulin-in-children-and-adolescents-with-autistic-spectrum-disorders
#15
Pornpen Srisawasdi, Natchaya Vanwong, Yaowaluck Hongkaew, Apichaya Puangpetch, Somlak Vanavanan, Boontarika Intachak, Nattawat Ngamsamut, Penkhae Limsila, Chonlaphat Sukasem, Martin H Kroll
OBJECTIVE: To evaluate the influence of dose and duration of risperidone treatment on cardiovascular and diabetes risk biomarkers in children and adolescents with autistic spectrum disorders (ASDs). DESIGN AND METHODS: In this cross-sectional analysis, a total of 168 ASDs patients (89% male) treated with a risperidone-based regimen for ≥12months were included. Blood samples were analyzed for glucose and lipid metabolic markers, adiponectin, leptin, prolactin, cortisol and high sensitive C-reactive protein...
February 3, 2017: Clinical Biochemistry
https://www.readbyqxmd.com/read/28167115/association-between-autistic-traits-and-emotion-adaptation-to-partially-occluded-faces
#16
Chengwen Luo, Edwin Burns, Hong Xu
Prolonged exposure to a happy face makes subsequently presented faces appear sadder: the facial emotion aftereffect (FEA). People with autism spectrum disorders and their relatives have diminished holistic perception of faces. Levels of autism can be measured continuously in the general population by autistic traits using the autism-quotient (AQ). Prior work has not found any association between AQ and FEA in adults, possibly due to non-holistic processing strategies employed by those at the higher end of the spectrum...
February 16, 2017: Vision Research
https://www.readbyqxmd.com/read/28163867/umbilical-cord-blood-androgen-levels-and-asd-related-phenotypes-at-12-and-36%C3%A2-months-in-an-enriched-risk-cohort-study
#17
Bo Y Park, Brian K Lee, Igor Burstyn, Loni P Tabb, Jeff A Keelan, Andrew J O Whitehouse, Lisa A Croen, Margaret D Fallin, Irva Hertz-Picciotto, Owen Montgomery, Craig J Newschaffer
BACKGROUND: Autism spectrum disorder (ASD) affects more than 1% of children in the USA. The male-to-female prevalence ratio of roughly 4:1 in ASD is a well-recognized but poorly understood phenomenon. An explicit focus on potential etiologic pathways consistent with this sex difference, such as those involving prenatal androgen exposure, may help elucidate causes of ASD. Furthermore, the multi-threshold liability model suggests that the genetic mechanisms in females with ASD may be distinct and may modulate ASD risk in families with female ASD in the pedigree...
2017: Molecular Autism
https://www.readbyqxmd.com/read/28155771/-who-treats-somatic-diseases-and-their-associated-disorders-in-young-autistic-patients
#18
Sarah Rastello, Valérie Rousselon, Yves-Claude Blanchon, Rodolphe Charles
This study highlights the conditions that limit access to primary care: the severity of autistic disorders, the implicit sidestepping of tasks by physicians, exhaustion of families who fail to coordinate the various types of care and tense relationships between professionals.</ce:para>.
December 19, 2016: Santé Publique: Revue Multidisciplinaire Pour la Recherche et L'action
https://www.readbyqxmd.com/read/28152400/what-is-the-prevalence-of-autism-spectrum-disorder-and-asd-traits-in-psychosis-a-systematic-review
#19
Debbie L Kincaid, Michael Doris, Ciaran Shannon, Ciaran Mulholland
There is increasing evidence to suggest both a symptomatic overlap and a clinically significant degree of co-occurrence between Autism Spectrum Disorders (ASD) and psychotic disorders such as schizophrenia but the nature of such relationships remain unclear. We reviewed the literature reporting prevalence rates of Autistic-like Traits (ALTs) and ASD in populations with a diagnosis of schizophrenia or other psychotic disorder. A search of three large databases was conducted and from this seven studies met the criteria for inclusion...
January 7, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28152398/derailing-the-trolley-everyday-utilitarian-judgments-in-groups-high-versus-low-in-psychopathic-traits-or-autistic-traits
#20
Karishma Vyas, Leila Jameel, Giulia Bellesi, Sarah Crawford, Shelley Channon
Moral decision-making has been linked with empathy. The present study built on previous work examining the relationship between psychopathy or autism spectrum disorder (ASD), two conditions putatively associated with deficits in empathy, and utilitarian decision-making. Students scoring high on self-report measures of psychopathic or autistic traits were presented with a novel task, 'Utilitarian Judgments', and compared to low trait control groups. This study replicated the classic finding that more direct links between the agents' actions and harm to victims mitigated utilitarian decision-making...
January 22, 2017: Psychiatry Research
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