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https://www.readbyqxmd.com/read/28915839/risk-of-mortality-among-children-adolescents-and-adults-with-autism-spectrum-disorder-or-attention-deficit-hyperactivity-disorder-and-their-first-degree-relatives-a-protocol-for-a-systematic-review-and-meta-analysis-of-observational-studies
#1
Ferrán Catalá-López, Brian Hutton, Matthew J Page, Manuel Ridao, Jane A Driver, Adolfo Alonso-Arroyo, Jaume Forés-Martos, Diego Macías Saint-Gerons, Eduard Vieta, Alfonso Valencia, Rafael Tabarés-Seisdedos
BACKGROUND: Autism spectrum disorder (ASD) and attention deficit hyperactivity disorder (ADHD) are childhood onset neurodevelopmental disorders that may persist into adulthood. ASD and ADHD tend to run in families and may have a significant negative impact on the health and longevity of those with the disorder and their relatives. The aim of this study will be to analyze the risk of mortality among children, adolescents, and adults with ASD or ADHD and their first-degree relatives. METHODS/DESIGN: We will conduct a systematic review and meta-analysis of observational studies...
September 15, 2017: Systematic Reviews
https://www.readbyqxmd.com/read/28915148/adult-fmr1-knockout-mice-present-with-deficiencies-in-hippocampal-interleukin-6-and-tumor-necrosis-factor-%C3%AE-expression
#2
Samantha L Hodges, Suzanne O Nolan, Joseph H Taube, Joaquin N Lugo
Fragile X syndrome (FXS) is a neurodevelopmental disorder caused by a single genetic mutation in the FMR1 gene. Mutations in the FMR1 gene are the largest monogenic cause of autism spectrum disorder (ASD), and thus both disorders share many of the same cognitive and behavioral impairments. There is increasing evidence suggesting that dysregulated immune responses play a role in the pathophysiology of ASD; however, the association between FXS and altered immunity requires further investigation. This study examined whether Fmr1 knockout (KO) and wild-type mice on a FVB/NJ background strain had altered cytokine expression at baseline levels in the hippocampus...
September 14, 2017: Neuroreport
https://www.readbyqxmd.com/read/28914977/autism-theory-of-mind-and-the-reactive-attitudes
#3
Kenneth A Richman, Raya Bidshahri
Whether to treat autism as exculpatory in any given circumstance appears to be influenced both by models of autism and by theories of moral responsibility. This article looks at one particular combination of theories: autism as theory of mind challenges and moral responsibility as requiring appropriate experience of the reactive attitudes. In pursuing this particular combination of ideas, we do not intend to endorse them. Our goal is, instead, to explore the implications of this combination of especially prominent ideas about autism and about moral responsibility...
September 15, 2017: Bioethics
https://www.readbyqxmd.com/read/28914086/preliminary-efficacy-of-a-daily-living-skills-intervention-for-adolescents-with-high-functioning-autism-spectrum-disorder
#4
Amie Duncan, Lisa A Ruble, Jareen Meinzen-Derr, Carrie Thomas, Lori J Stark
Daily living skills deficits are strongly associated with poor adult outcomes for individuals with high-functioning autism spectrum disorder, and yet, there are no group interventions targeting daily living skills. Seven adolescents with autism spectrum disorder and their parents participated in a feasibility pilot of a 12-week manualized group treatment targeting specific daily living skills (i.e. morning routine, cooking, laundry, and money management). Outcomes included the Vineland Adaptive Behavior Scales, Second Edition (Vineland-II) age equivalence scores and four goal attainment scaling scores...
September 1, 2017: Autism: the International Journal of Research and Practice
https://www.readbyqxmd.com/read/28914085/development-of-a-patient-centered-conceptual-model-of-the-impact-of-living-with-autism-spectrum-disorder
#5
Fiona McDougall, Thomas Willgoss, Steve Hwang, Federico Bolognani, Lorraine Murtagh, Evdokia Anagnostou, Diana Rofail
The aim of this study was to generate a patient-centered conceptual model of the impact of living with autism spectrum disorder, which can be used to support the selection of outcome measures for clinical trials. Following an initial literature review to identify preliminary concepts and inform an interview guide, in-depth face-to-face interviews were conducted with adolescents and adults with autism spectrum disorder (IQ ⩾ 70) (n = 10), as well as parents of children, adolescents, and adults with autism spectrum disorder (IQ ⩾ 70) (n = 26)...
September 1, 2017: Autism: the International Journal of Research and Practice
https://www.readbyqxmd.com/read/28903621/virtual-environments-as-an-assessment-modality-with-pediatric-asd-populations-a-brief-report
#6
Tyler C Duffield, Thomas D Parsons, Allisen Landry, Shaza Karam, Tiffany Otero, Sarah Mastel, Trevor A Hall
Virtual environments (VEs) have demonstrated promise as a neuropsychological assessment modality and may be well suited for the evaluation of children suspected of having an autism spectrum disorder (ASD). Some recent studies indicate their potential for enhancing reliability, ecologically validity, and sensitivity over traditional neuropsychological evaluation measures. Although research using VEs with ASD is increasing to the degree that several reviews of the literature have been conducted, the reviews to date lack rigor and are not necessarily specific to cognitive or neuropsychological assessment as many focus on intervention...
September 13, 2017: Child Neuropsychology: a Journal on Normal and Abnormal Development in Childhood and Adolescence
https://www.readbyqxmd.com/read/28901633/response-to-mortazavi-s-comment
#7
Bellieni Carlo Valerio, Giuseppe Buonocore
Mortazavi's comment (1) on our letter (2) on whether electromagnetic fields (EMF) in incubators are a risk factor for autism contains several points that need to be corrected. First, we did not base our observations just on our previous papers as Mortazavi maintains. In fact, our observations were also based on several more papers about EMF in incubators, including the paper by Calvente et al, which was published in 2017 (3). Second, it is incorrect to write that a very simple intervention, such as changing the infants' sleep position, namely the position of the head and feet, can lead to a significant drop, as big as several orders of magnitude, in the infant's brain exposure (1), because in most incubators EMF levels are similar at all points of the mattress...
September 13, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/28901542/effects-of-response-contingent-stimulus-pairing-on-vocalizations-of-nonverbal-children-with-autism
#8
Tracy L Lepper, Anna Ingeborg Petursdottir
Research on stimulus-stimulus pairing to induce novel vocalizations in nonverbal children has typically employed response-independent pairing (RIP) procedures to condition speech sounds as reinforcers. The purpose of the present study was to evaluate the effects of a response-contingent pairing (RCP) procedure on the vocalizations of three nonverbal boys diagnosed with autism spectrum disorder. During RCP, adult-delivered sounds that were either paired with a preferred item (target sounds) or not (nontarget sounds) were presented contingent on a button-press response...
September 13, 2017: Journal of Applied Behavior Analysis
https://www.readbyqxmd.com/read/28900771/health-concerns-and-health-service-utilization-in-a-population-cohort-of-young-adults-with-autism-spectrum-disorder
#9
Jonathan A Weiss, Barry Isaacs, Heidi Diepstra, Andrew S Wilton, Hilary K Brown, Caitlin McGarry, Yona Lunsky
Individuals with autism spectrum disorder (ASD) have many health needs that place demands on the health service sector. This study used administrative data to compare health profiles in young adults 18-24 years of age with ASD to peers with and without other developmental disability. Young adults with ASD were more likely to have almost all the examined clinical health issues and health service use indicators compared to peers without developmental disability. They were more likely to have at least one psychiatric diagnosis, and visit the family physician, pediatrician, psychiatrist, and emergency department for psychiatric reasons, compared to peers with other developmental disability...
September 13, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28894969/categorical-speech-perception-in-adults-with-autism-spectrum-conditions
#10
Mary E Stewart, Alexandra M Petrou, Mitsuhiko Ota
This study tested whether individuals with autism spectrum conditions (n = 23) show enhanced discrimination of acoustic differences that signal a linguistic contrast (i.e., /g/ versus /k/ as in 'goat' and 'coat') and whether they process such differences in a less categorical fashion as compared with 23 IQ-matched typically developed adults. Tasks administered were nonverbal IQ, verbal IQ, 5 language measures, a speech perception task, and the ADOS. The speech perception task measured the discrimination of paired exemplars along the /g/-/k/ continuum...
September 11, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28894950/autism-spectrum-disorder-an-early-and-frequent-feature-in-cerebrotendinous-xanthomatosis
#11
Bianca M L Stelten, Olivier Bonnot, Hidde H Huidekoper, Francjan J van Spronsen, Peter M van Hasselt, Leo A J Kluijtmans, Ron A Wevers, Aad Verrips
BACKGROUND: Cerebrotendinous xanthomatosis (CTX) is an autosomal recessively inherited inborn error of metabolism (IEM) due to mutations in the CYP27A1 gene. The clinical picture ranges from being nearly asymptomatic in early childhood, up to severe disability at adult age. Infantile-onset diarrhea and juvenile-onset cataract are the earliest symptoms in childhood. In the current study, we evaluated the presence of autism spectrum disorder (ASD) in a large cohort of CTX patients. METHODS: We performed a retrospective patient file study in 77 genetically confirmed Dutch CTX patients to determine the frequency of ASD...
September 11, 2017: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/28894610/maturation-refinement-and-serotonergic-modulation-of-cerebellar-cortical-circuits-in-normal-development-and-in-murine-models-of-autism
#12
REVIEW
Eriola Hoxha, Pellegrino Lippiello, Bibiana Scelfo, Filippo Tempia, Mirella Ghirardi, Maria Concetta Miniaci
The formation of the complex cerebellar cortical circuits follows different phases, with initial synaptogenesis and subsequent processes of refinement guided by a variety of mechanisms. The regularity of the cellular and synaptic organization of the cerebellar cortex allowed detailed studies of the structural plasticity mechanisms underlying the formation of new synapses and retraction of redundant ones. For the attainment of the monoinnervation of the Purkinje cell by a single climbing fiber, several signals are involved, including electrical activity, contact signals, homosynaptic and heterosynaptic interaction, calcium transients, postsynaptic receptors, and transduction pathways...
2017: Neural Plasticity
https://www.readbyqxmd.com/read/28890778/yawning-detection-sensitivity-and-yawning-contagion
#13
Meingold H M Chan, Chia-Huei Tseng
Contagious yawning-the urge to yawn when thinking about, listening to, or viewing yawning-is a well-documented phenomenon in humans and animals. The reduced yawn contagion observed in the autistic population suggested that it might be empathy related; however, it is unknown whether such a connection applies to nonclinical populations. We examined influences from both empathy (i.e., autistic traits) and nonempathy factors (i.e., individuals' perceptual detection sensitivity to yawning, happy, and angry faces) on 41 nonclinical adults...
July 2017: I-Perception
https://www.readbyqxmd.com/read/28890420/perinatal-inflammation-and-adult-psychopathology-from-preclinical-models-to-humans
#14
REVIEW
Amaicha Mara Depino
Perinatal environment plays a crucial role in brain development and determines its function through life. Epidemiological studies and clinical reports link perinatal exposure to infection and/or immune activation to various psychiatric disorders. In addition, accumulating evidence from animal models shows that perinatal inflammation can affect various behaviors relevant to psychiatric disorders such as schizophrenia, autism, anxiety and depression. Remarkably, the effects on behavior and brain function do not always depend on the type of inflammatory stimulus or the perinatal age targeted, so diverse inflammatory events can have similar consequences on the brain...
September 7, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/28889821/relating-asd-symptoms-to-well-being-moving-across-different-construct-levels
#15
M K Deserno, D Borsboom, S Begeer, H M Geurts
BACKGROUND: Little is known about the specific factors that contribute to the well-being (WB) of individuals with autism spectrum disorder (ASD). A plausible hypothesis is that ASD symptomatology has a direct negative effect on WB. In the current study, the emerging tools of network analysis allow to explore the functional interdependencies between specific symptoms of ASD and domains of WB in a multivariate framework. We illustrate how studying both higher-order (total score) and lower-order (subscale) representations of ASD symptomatology can clarify the interrelations of factors relevant for domains of WB...
September 11, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/28887900/atypical-brain-responses-to-auditory-spatial-cues-in-adults-with-autism-spectrum-disorder
#16
Veema Lodhia, Michael J Hautus, Blake W Johnson, Jon Brock
The auditory processing atypicalities experienced by many individuals on the autism spectrum disorder might be understood in terms of difficulties parsing the sound energy arriving at the ears into discrete auditory "objects." Here we asked whether autistic adults are able to make use of two important spatial cues to auditory object formation - the relative timing and amplitude of sound energy at the left and right ears. Using electroencephalography, we measured the brain responses of 15 autistic adults and 15 age-and verbal-IQ-matched control participants as they listened to dichotic pitch stimuli - white noise stimuli in which interaural timing or amplitude differences applied to a narrow frequency band of noise typically lead to the perception of a pitch sound that is spatially segregated from the noise...
September 9, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28887403/the-functions-of-reelin-in-membrane-trafficking-and-cytoskeletal-dynamics-implications-for-neuronal-migration-polarization-and-differentiation
#17
REVIEW
Jessica Santana, María-Paz Marzolo
Reelin is a large extracellular matrix protein with relevant roles in mammalian central nervous system including neurogenesis, neuronal polarization and migration during development; and synaptic plasticity with its implications in learning and memory, in the adult. Dysfunctions in reelin signaling are associated with brain lamination defects such as lissencephaly, but also with neuropsychiatric diseases like autism, schizophrenia and depression as well with neurodegeneration. Reelin signaling involves a core pathway that activates upon reelin binding to its receptors, particularly ApoER2 (apolipoprotein E receptor 2)/LRP8 (low-density lipoprotein receptor-related protein 8) and very low-density lipoprotein receptor, followed by Src/Fyn-mediated phosphorylation of the adaptor protein Dab1 (Disabled-1)...
September 7, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/28887224/the-zebrafish-as-a-promising-tool-for-modeling-human-brain-disorders-a-review-based-upon-an-ibns-symposium
#18
REVIEW
Soaleha Shams, Jason Rihel, Jose G Ortiz, Robert Gerlai
The zebrafish represents an excellent compromise between system complexity and practical simplicity, features that make it useful for modeling and mechanistic analysis of complex brain disorders. Also promising are screens for psychoactive drugs with effects on larval and adult zebrafish behavior. This review, based upon a recent symposium held at the 2016 IBNS Congress, provides different perspectives on how the zebrafish may be utilized to advance research into human central nervous system disorders. It starts with a discussion on an important bottleneck in zebrafish research, measuring the behavior of this species (specifically shoaling), and continues with examples on research on autism spectrum disorder in larval zebrafish, on screening natural products for compounds with psychoactive properties in adult zebrafish, and on the development of a zebrafish model of fetal alcohol spectrum disorders...
September 5, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28884601/systematic-review-of-aac-intervention-research-for-adolescents-and-adults-with-autism-spectrum-disorder
#19
Christine Holyfield, Kathryn D R Drager, Jennifer M D Kremkow, Janice Light
Much of augmentative and alternative communication (AAC) research for individuals with autism spectrum disorder has focused on young children. Given that the lives, communication, strengths, and needs of adolescents and adults with autism spectrum disorder are quite different from those of young children, the purpose of the current study was to consolidate current AAC intervention research findings specific to these individuals. A systematic review was conducted to identify and evaluate relevant research. Results indicate that AAC intervention benefits adolescents and adults with autism spectrum disorder...
September 8, 2017: Augmentative and Alternative Communication: AAC
https://www.readbyqxmd.com/read/28880353/-sleep-wake-patterns-in-adults-with-autism-spectrum-disorders-in-a-clinical-setting-a-pilot-study
#20
G J Rosbergen, M P Jansen, A R Rosbergen-De Vries, Y Roke, R Otten
The negative consequences of sleep-wake disorders in the general population and in children with an autism spectrum disorder (ASD) are well-established. However, little is known about sleep-wake disorders in adults with ASD.<br/> AIM: To study and measure sleep-wake disorders and sleep-wake patterns in adults in a clinical facility who have been diagnosed primarily as having ASD without any comorbid intellectual disability.<br/> METHOD: We assessed the sleep patterns of 19 patients in a residential facility...
2017: Tijdschrift Voor Psychiatrie
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