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https://www.readbyqxmd.com/read/28074329/dietary-adequacy-of-egyptian-children-with-autism-spectrum-disorder-compared-to-healthy-developing-children
#1
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/28070782/co-parenting-quality-parenting-stress-and-feeding-challenges-in-families-with-a-child-diagnosed-with-autism-spectrum-disorder
#2
Matthew Thullen, Aaron Bonsall
113 parents of children aged 5-13 with ASD completed online surveys assessing co-parenting quality, parenting stress, and child feeding challenges. Results indicated that food selectivity was both the most frequently reported type of challenging feeding behavior and the most often reported as problematic but was also the only type of challenging feeding behavior that was not associated with parenting stress. Greater parenting stress was reported when co-parenting agreement and support were lower. Child disruptive behavior at mealtime was the only feeding challenge associated with quality of co-parenting...
January 9, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28068486/the-changing-epidemiology-of-autism-spectrum-disorders
#3
Kristen Lyall, Lisa Croen, Julie Daniels, M Daniele Fallin, Christine Ladd-Acosta, Brian K Lee, Bo Y Park, Nathaniel W Snyder, Diana Schendel, Heather E Volk, Gayle C Windham, Craig Newschaffer
Autism spectrum disorder (ASD) is a complex neurodevelopmental condition with lifelong impacts. Genetic and environmental factors contribute to ASD etiology, which remains incompletely understood. Research on ASD epidemiology has made significant advances in the past decade. Current prevalence is estimated to be at least 1.5% in developed countries, with recent increases primarily among those without comorbid intellectual disability. Genetic studies have identified a number of rare de novo mutations and gained footing in the areas of polygenic risk, epigenetics, and gene-by-environment interaction...
December 21, 2016: Annual Review of Public Health
https://www.readbyqxmd.com/read/28054313/emotion-coregulation-in-mother-child-dyads-a-dynamic-systems-analysis-of-children-with-and-without-autism-spectrum-disorder
#4
Yuqing Guo, Dana Rose Garfin, Agnes Ly, Wendy A Goldberg
Few studies have investigated patterns of emotion coregulation in families of children with Autism Spectrum Disorder (ASD) or contrasted the ways in which their emotion coregulation patterns differ from families of typically developing (TD) children. To address this gap, we used a dynamic systems approach to compare flexible structure and emotional content of coregulation between mothers and children (3-7 years) with ASD (n = 47) and TD children (n = 26). Mother-child play interactions in the home were videotaped and emotion-engagement states were coded in micro-level 5-s intervals based on behavioral and affective expressions...
January 4, 2017: Journal of Abnormal Child Psychology
https://www.readbyqxmd.com/read/28044025/the-singular-nature-of-auditory-and-visual-scene-analysis-in-autism
#5
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/28042663/all-our-sons-the-developmental-neurobiology-and-neuroendocrinology-of-boys-at-risk
#6
Allan N Schore
Why are boys at risk? To address this question, I use the perspective of regulation theory to offer a model of the deeper psychoneurobiological mechanisms that underlie the vulnerability of the developing male. The central thesis of this work dictates that significant gender differences are seen between male and female social and emotional functions in the earliest stages of development, and that these result from not only differences in sex hormones and social experiences but also in rates of male and female brain maturation, specifically in the early developing right brain...
January 2017: Infant Mental Health Journal
https://www.readbyqxmd.com/read/28031961/fetal-origins-of-autism-spectrum-disorders-the-non-associated-maternal-factors
#7
REVIEW
Hind N Moussa, Anand Srikrishnan, Sean C Blackwell, Pramod Dash, Baha M Sibai
AIM: Several population-based studies have been conducted to determine whether maternal exposures are involved in the pathophysiology of autism spectrum disorder (ASD). We review these studies and describe the factors not associated with increased risk for ASD development. METHODS: We identified studies describing associations between maternal exposures and ASD development. These studies include the Childhood Autism Risks from Genetics and the Environment, Nurses' Health Study II, and the Swedish population registry...
June 2016: Future Science OA
https://www.readbyqxmd.com/read/27984170/autism-genes-are-selectively-targeted-by-environmental-pollutants-including-pesticides-heavy-metals-bisphenol-a-phthalates-and-many-others-in-food-cosmetics-or-household-products
#8
REVIEW
C J Carter, R A Blizard
The increasing incidence of autism suggests a major environmental influence. Epidemiology has implicated many candidates and genetics many susceptibility genes. Gene/environment interactions in autism were analysed using 206 autism susceptibility genes (ASG's) from the Autworks database to interrogate ∼1 million chemical/gene interactions in the comparative toxicogenomics database. Any bias towards ASG's was statistically determined for each chemical. Many suspect compounds identified in epidemiology, including tetrachlorodibenzodioxin, pesticides, particulate matter, benzo(a)pyrene, heavy metals, valproate, acetaminophen, SSRI's, cocaine, bisphenol A, phthalates, polyhalogenated biphenyls, flame retardants, diesel constituents, terbutaline and oxytocin, inter alia showed a significant degree of bias towards ASG's, as did relevant endogenous agents (retinoids, sex steroids, thyroxine, melatonin, folate, dopamine, serotonin)...
October 27, 2016: Neurochemistry International
https://www.readbyqxmd.com/read/27964853/seeing-the-doctor-without-fear-www-doctortea-org-for-the-desensitization-from-medical-visits-in-autism-spectrum-disorders
#9
Leticia Boada, Mara Parellada
INTRODUCTION: Doctor Tea is an online website designed to facilitate medical visits for those with autism spectrum disorder and other disabilities. People diagnosed with autism not only have greater medical needs than the general population, but also have particular characteristics that are often not accommodated by medical services. This lack of medical accommodation often creates a very complicated, and sometimes traumatic experience, when visiting medical facilities. Individuals with autism have great difficulty understanding social situations and contexts, such as medical tests or consultations, as well as difficulty in tolerating new situations and atypical sensory thresholds...
December 7, 2016: Revista de Psiquiatrí́a y Salud Mental
https://www.readbyqxmd.com/read/27957319/blood-brain-barrier-and-intestinal-epithelial-barrier-alterations-in-autism-spectrum-disorders
#10
Maria Fiorentino, Anna Sapone, Stefania Senger, Stephanie S Camhi, Sarah M Kadzielski, Timothy M Buie, Deanna L Kelly, Nicola Cascella, Alessio Fasano
BACKGROUND: Autism spectrum disorders (ASD) are complex conditions whose pathogenesis may be attributed to gene-environment interactions. There are no definitive mechanisms explaining how environmental triggers can lead to ASD although the involvement of inflammation and immunity has been suggested. Inappropriate antigen trafficking through an impaired intestinal barrier, followed by passage of these antigens or immune-activated complexes through a permissive blood-brain barrier (BBB), can be part of the chain of events leading to these disorders...
2016: Molecular Autism
https://www.readbyqxmd.com/read/27932026/gene-environment-interactions-in-cortical-interneuron-development-and-dysfunction-a-review-of-preclinical-studies
#11
REVIEW
Lydia J Ansen-Wilson, Robert J Lipinski
Cortical interneurons (cINs) are a diverse group of locally projecting neurons essential to the organization and regulation of neural networks. Though they comprise only ∼20% of neurons in the neocortex, their dynamic modulation of cortical activity is requisite for normal cognition and underlies multiple aspects of learning and memory. While displaying significant morphological, molecular, and electrophysiological variability, cINs collectively function to maintain the excitatory-inhibitory balance in the cortex by dampening hyperexcitability and synchronizing activity of projection neurons, primarily through use of the inhibitory neurotransmitter gamma-aminobutyric acid (GABA)...
December 5, 2016: Neurotoxicology
https://www.readbyqxmd.com/read/27920969/examining-the-effects-of-video-modeling-and-prompts-to-teach-activities-of-daily-living-skills
#12
Catarina Aldi, Alexandra Crigler, Kelly Kates-McElrath, Brian Long, Hillary Smith, Kim Rehak, Lisa Wilkinson
Video modeling has been shown to be effective in teaching a number of skills to learners diagnosed with autism spectrum disorders (ASD). In this study, we taught two young men diagnosed with ASD three different activities of daily living skills (ADLS) using point-of-view video modeling. Results indicated that both participants met criterion for all ADLS. Participants did not maintain mastery criterion at a 1-month follow-up, but did score above baseline at maintenance with and without video modeling. • Point-of-view video models may be an effective intervention to teach daily living skills...
December 2016: Behavior Analysis in Practice
https://www.readbyqxmd.com/read/27919678/individual-differences-in-high-level-biological-motion-tasks-correlate-with-autistic-traits
#13
Jeroen J A van Boxtel, Yujia Peng, Junzhu Su, Hongjing Lu
Human actions are rich in social cues and play an essential role in interacting with the social environment. Hence, the perception of biological motion (i.e., movement elicited by humans and other animals) is considered to be an important gauge of a person's social cognition capacities. It has been well-documented that Autism Spectrum Disorder (ASD) is associated with difficulties in social interactions. In the present study, we examined whether individual differences in biological motion perception relate to the degree of autistic traits among people in the typically-developing population...
December 17, 2016: Vision Research
https://www.readbyqxmd.com/read/27918486/comments-on-quaak-et-al-the-dynamics-of-autism-spectrum-disorders-how-neurotoxic-compounds-and-neurotransmitters-interact-int-j-environ-res-public-health-2013-10-3384-3408
#14
Moslem Mohammadi
I have read the article entitled "The dynamics of autism spectrum disorders: how neurotoxic compounds and neurotransmitters interact". There are some errors in the interpretation of results obtained from our previous studies that should be explained.
December 3, 2016: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/27906524/the-development-of-autism-spectrum-disorders-variability-and-causal-complexity
#15
REVIEW
Robert H Wozniak, Nina B Leezenbaum, Jessie B Northrup, Kelsey L West, Jana M Iverson
The autism spectrum is highly variable, both behaviorally and neurodevelopmentally. Broadly speaking, four related factors contribute to this variability: (1) genetic processes, (2) environmental events, (3) gene × environment interactions, and (4) developmental factors. Given the complexity of the relevant processes, it appears unlikely that autism spectrum atypicalities can be attributed to any one causal mechanism. Rather, the development of neural atypicality reflects an interaction of genetic and environmental risk factors...
January 2017: Wiley Interdisciplinary Reviews. Cognitive Science
https://www.readbyqxmd.com/read/27905541/serbian-language-version-of-the-modified-checklist-for-autism-in-toddlers-revised-with-follow-up-cross-cultural-adaptation-and-assessment-of-reliability
#16
Mia Carakovac, Jelena Jovanovic, Marko Kalanj, Nenad Rudic, Olivera Aleksic-Hil, Branko Aleksic, Itzel Bustos Villalobos, Hideki Kasuya, Norio Ozaki, Dusica Lecic-Tosevski, Milica Pejovic-Milovancevic
Early detection of Autism Spectrum Disorder (ASD) has proven to be of high significance, however there is a limited availability of ASD screening tools in Serbian language. In this study we aim to translate, assess reliability and, in part, test the applicability of Modified Checklist for Autism in Toddlers, Revised, with Follow-Up (M-CHAT R/F) in Serbian Healthcare environment. We screened 128 children in three primary healthcare centres and 20 children in a tertiary psychiatric center, using M-CHAT R/F translated into Serbian language, between December 2014 and October 2015...
December 1, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27904610/effects-of-air-pollution-on-human-health-and-practical-measures-for-prevention-in-iran
#17
REVIEW
Adel Ghorani-Azam, Bamdad Riahi-Zanjani, Mahdi Balali-Mood
Air pollution is a major concern of new civilized world, which has a serious toxicological impact on human health and the environment. It has a number of different emission sources, but motor vehicles and industrial processes contribute the major part of air pollution. According to the World Health Organization, six major air pollutants include particle pollution, ground-level ozone, carbon monoxide, sulfur oxides, nitrogen oxides, and lead. Long and short term exposure to air suspended toxicants has a different toxicological impact on human including respiratory and cardiovascular diseases, neuropsychiatric complications, the eyes irritation, skin diseases, and long-term chronic diseases such as cancer...
2016: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/27874265/incidental-brain-mri-findings-in-an-autism-twin-study
#18
Julio C Monterrey, Jennifer Philips, Sue Cleveland, Serena Tanaka, Patrick Barnes, Joachim F Hallmayer, Alan L Reiss, Laura C Lazzeroni, Antonio Y Hardan
Brain magnetic resonance imaging (MRI) studies suggest the prevalence of asymptomatic "incidental" findings (IF) in autism spectrum disorder (ASD) is similar to that of neurotypically developing (NT) controls. However, given the causes of IF may include both genetic and environmental factors, a twin study would facilitate comparing brain IF between ASD and NT subjects. MRI scans were examined to assess the prevalence of brain IF in twin "case pairs" (at least one twin with diagnosis of ASD) and twin "control pairs" (NT)...
November 22, 2016: Autism Research: Official Journal of the International Society for Autism Research
https://www.readbyqxmd.com/read/27872602/perceptual-averaging-in-individuals-with-autism-spectrum-disorder
#19
Jennifer E Corbett, Paola Venuti, David Melcher
There is mounting evidence that observers rely on statistical summaries of visual information to maintain stable and coherent perception. Sensitivity to the mean (or other prototypical value) of a visual feature (e.g., mean size) appears to be a pervasive process in human visual perception. Previous studies in individuals diagnosed with Autism Spectrum Disorder (ASD) have uncovered characteristic patterns of visual processing that suggest they may rely more on enhanced local representations of individual objects instead of computing such perceptual averages...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/27871978/differences-in-testosterone-and-its-precursors-by-sex-of-the-offspring-in-meconium
#20
Alexander J Frey, Bo Y Park, Emily R Schriver, Daniel R Feldman, Samuel Parry, Lisa A Croen, Daniele M Fallin, Irva Hertz-Picciotto, Craig J Newschaffer, Nathaniel W Snyder
Prenatal metabolism exerts profound effects on development. The first stool of the newborn, meconium, provides a window into the prenatal metabolic environment. The objective of this study was to examine the feasibility of meconium as a novel matrix to quantify prenatal steroid levels. We quantified parameters of analytical interest regarding the use of meconium, including sample stability. We hypothesized that meconium steroid content would differ by sex, prompting analysis of meconium to test effects of prenatal steroid metabolism...
November 18, 2016: Journal of Steroid Biochemistry and Molecular Biology
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