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https://www.readbyqxmd.com/read/28227875/smart-autism-a-mobile-interactive-and-integrated-framework-for-screening-and-confirmation-of-autism
#1
Khondaker Abdullah Al Mamun, Sharmistha Bardhan, Md Anwar Ullah, Evdokia Anagnostou, Jessica Brian, Shaheen Akhter, Mohammod Golam Rabbani, Khondaker Abdullah Al Mamun, Sharmistha Bardhan, Md Anwar Ullah, Evdokia Anagnostou, Jessica Brian, Shaheen Akhter, Mohammod Golam Rabbani, Evdokia Anagnostou, Sharmistha Bardhan, Shaheen Akhter, Md Anwar Ullah, Mohammod Golam Rabbani, Jessica Brian, Khondaker Abdullah Al Mamun
Smart Autism is a cloud based, automated framework for autism screening and confirmation. In developing countries, due to lack of resources and expertise, autism is detected later than early ages which consequently delays timely intervention. Therefore a mobile, interactive and integrated framework is proposed to screen and confirm autism in different age group (0 to 17 years) with 3 layers of assessment process. Firstly, it screens by evaluating the responses of pictorial based screening questionnaire through mobile application...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227229/ensemble-statistical-and-subspace-clustering-model-for-analysis-of-autism-spectrum-disorder-phenotypes
#2
Khalid Al-Jabery, Tayo Obafemi-Ajayi, Gayla R Olbricht, T Nicole Takahashi, Stephen Kanne, Donald Wunsch, Khalid Al-Jabery, Tayo Obafemi-Ajayi, Gayla R Olbricht, T Nicole Takahashi, Stephen Kanne, Donald Wunsch, Donald Wunsch, Tayo Obafemi-Ajayi, Khalid Al-Jabery, Stephen Kanne, Gayla R Olbricht, T Nicole Takahashi
Heterogeneity in Autism Spectrum Disorder (ASD) is complex including variability in behavioral phenotype as well as clinical, physiologic, and pathologic parameters. The fifth edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-5) now diagnoses ASD using a 2-dimensional model based social communication deficits and fixated interests and repetitive behaviors. Sorting out heterogeneity is crucial for study of etiology, diagnosis, treatment and prognosis. In this paper, we present an ensemble model for analyzing ASD phenotypes using several machine learning techniques and a k-dimensional subspace clustering algorithm...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227039/amp-a-platform-for-managing-and-mining-data-in-the-treatment-of-autism-spectrum-disorder
#3
Erik Linstead, Ryan Burns, Duy Nguyen, David Tyler, Erik Linstead, Ryan Burns, Duy Nguyen, David Tyler, Erik Linstead, Duy Nguyen, Ryan Burns, David Tyler
We introduce AMP (Autism Management Platform), an integrated health care information system for capturing, analyzing, and managing data associated with the diagnosis and treatment of Autism Spectrum Disorder in children. AMP's mobile application simplifies the means by which parents, guardians, and clinicians can collect and share multimedia data with one another, facilitating communication and reducing data redundancy, while simplifying retrieval. Additionally, AMP provides an intelligent web interface and analytics platform which allow physicians and specialists to aggregate and mine patient data in real-time, as well as give relevant feedback to automatically learn data filtering preferences over time...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28225070/speech-specific-categorical-perception-deficit-in-autism-an-event-related-potential-study-of-lexical-tone-processing-in-mandarin-speaking-children
#4
Xiaoyue Wang, Suiping Wang, Yuebo Fan, Dan Huang, Yang Zhang
Recent studies reveal that tonal language speakers with autism have enhanced neural sensitivity to pitch changes in nonspeech stimuli but not to lexical tone contrasts in their native language. The present ERP study investigated whether the distinct pitch processing pattern for speech and nonspeech stimuli in autism was due to a speech-specific deficit in categorical perception of lexical tones. A passive oddball paradigm was adopted to examine two groups (16 in the autism group and 15 in the control group) of Chinese children's Mismatch Responses (MMRs) to equivalent pitch deviations representing within-category and between-category differences in speech and nonspeech contexts...
February 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28224345/electrophysiological-endophenotypes-and-the-error-related-negativity-ern-in-autism-spectrum-disorder-a-family-study
#5
Ann Clawson, Mikle South, Scott A Baldwin, Michael J Larson
We examined the error-related negativity (ERN) as an endophenotype of ASD by comparing the ERN in families of ASD probands to control families. We hypothesized that ASD probands and families would display reduced-amplitude ERN relative to controls. Participants included 148 individuals within 39 families consisting of a mother, father, sibling, and proband. Robust ANOVAs revealed non-significant differences in ERN amplitude and behavioral performance among ASD probands relative to control youth. In subsequent multiple regression analyses group and kinship (proband, sibling, mother, father) did not significantly predict ΔERN (error minus correct ERN) or behavioral performance...
February 21, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28224344/brief-report-characteristics-of-preschool-children-with-asd-vary-by-ascertainment
#6
Lori-Ann R Sacrey, Lonnie Zwaigenbaum, Peter Szatmari, Susan Bryson, Stelios Georgiades, Jessica Brian, Isabel M Smith, Tracy Vaillancourt, Nancy Garon, Caroline Roncadin, Mayada Elsabbagh
Prospective studies of infant siblings of children diagnosed with autism spectrum disorder (ASD) provide a unique opportunity to characterize ASD as it unfolds. A critical question that remains unanswered is whether and how these children with ASD resemble other children identified from the community, including those with no family history. The purpose of this study was to compare clinical characteristics of children with ASD identified by each method (n = 86 per group), drawn from two Canadian longitudinal research cohorts...
February 21, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28224095/culturally-adapted-pictorial-screening-tool-for-autism-spectrum-disorder-a-new-approach
#7
Hemamali Perera, Kamal Chandima Jeewandara, Sudarshi Seneviratne, Chandima Guruge
AIM: To assess the performance of a newly designed, culturally adapted screening tool for autism spectrum disorder (ASD). METHODS: Items for the screening tool were modeled from already documented checklists and diagnostic criteria for ASD. Each item in text was paired with a photograph that illustrated the written content, which was in the 2 main local languages. The final product had 21 items and was named the pictorial autism assessment schedule (PAAS). Performance of PAAS was tested on a clinical sample of 18-48 mo old children, diagnosis naïve, presenting with developmental deficits...
February 8, 2017: World Journal of Clinical Pediatrics
https://www.readbyqxmd.com/read/28224041/a-7q31-33q32-1-microdeletion-including-lrrc4-and-grm8-is-associated-with-severe-intellectual-disability-and-characteristics-of-autism
#8
Noriko Sangu, Keiko Shimojima, Yuya Takahashi, Tsukasa Ohashi, Jun Tohyama, Toshiyuki Yamamoto
A 4-year-old boy with severe intellectual disability (ID) and characteristics of autism was found to have a de novo 1.9-Mb microdeletion in 7q31.33q32.1, in which LRRC4, GRM8, and 11 other genes were included. GRM8 is associated with attention deficit hyperactivity disorder. LRRC4 is related to synaptic cell adhesion molecules, some of which are associated with autism. The deletion of LRRC4 may be responsible for the severe ID and characteristics of autism observed in the present patient.
2017: Human Genome Variation
https://www.readbyqxmd.com/read/28223908/elevated-urinary-glyphosate-and-clostridia-metabolites-with-altered-dopamine-metabolism-in-triplets-with-autistic-spectrum-disorder-or-suspected-seizure-disorder-a-case-study
#9
William Shaw
CONTEXT: Autism is a neurodevelopmental disorder for which a number of genetic, environmental, and nutritional causes have been proposed. Glyphosate is used widely as a crop desiccant and as an herbicide in fields of genetically modified foods that are glyphosate resistant. Several researchers have proposed that it may be a cause of autism, based on epidemiological data that correlates increased usage of glyphosate with an increased autism rate. OBJECTIVE: The current study was intended to determine if excessive glyphosate was present in the triplets and their parents and to evaluate biochemical findings for the family to determine the potential effects of its presence...
February 2017: Integrative Medicine
https://www.readbyqxmd.com/read/28223318/a-drosophila-model-of-fragile-x-syndrome-exhibits-defects-in-phagocytosis-by-innate-immune-cells
#10
Reed M O'Connor, Elizabeth F Stone, Charlotte R Wayne, Emily V Marcinkevicius, Matt Ulgherait, Rebecca Delventhal, Meghan M Pantalia, Vanessa M Hill, Clarice G Zhou, Sophie McAllister, Anna Chen, Jennifer S Ziegenfuss, Wesley B Grueber, Julie C Canman, Mimi M Shirasu-Hiza
Fragile X syndrome, the most common known monogenic cause of autism, results from the loss of FMR1, a conserved, ubiquitously expressed RNA-binding protein. Recent evidence suggests that Fragile X syndrome and other types of autism are associated with immune system defects. We found that Drosophila melanogaster Fmr1 mutants exhibit increased sensitivity to bacterial infection and decreased phagocytosis of bacteria by systemic immune cells. Using tissue-specific RNAi-mediated knockdown, we showed that Fmr1 plays a cell-autonomous role in the phagocytosis of bacteria...
February 21, 2017: Journal of Cell Biology
https://www.readbyqxmd.com/read/28223033/children-with-asd-show-links-between-aberrant-sound-processing-social-symptoms-and-atypical-auditory-interhemispheric-and-thalamocortical-functional-connectivity
#11
Annika C Linke, R Joanne Jao Keehn, Ellyn B Pueschel, Inna Fishman, Ralph-Axel Müller
Autism spectrum disorder (ASD) is a complex and prevalent neurodevelopmental disorder characterized by social and communicative deficits, as well as repetitive behaviors and atypical sensitivity to sensory stimulation. Alterations in network connectivity are widely recognized, but their interplay with social and sensory symptoms remains largely unclear. Here, functional magnetic resonance imaging and diagnostic and behavioral assessments were used in a cohort of children and adolescents with ASD (n=40) and matched typically developing (TD, n=38) controls to examine the relation between auditory processing, interhemispheric and thalamocortical network connectivity, and social-behavioral symptom severity...
January 16, 2017: Developmental Cognitive Neuroscience
https://www.readbyqxmd.com/read/28222761/new-evidences-on-the-altered-gut-microbiota-in-autism-spectrum-disorders
#12
Francesco Strati, Duccio Cavalieri, Davide Albanese, Claudio De Felice, Claudio Donati, Joussef Hayek, Olivier Jousson, Silvia Leoncini, Daniela Renzi, Antonio Calabrò, Carlotta De Filippo
BACKGROUND: Autism spectrum disorders (ASDs) are neurodevelopmental conditions characterized by social and behavioural impairments. In addition to neurological symptoms, ASD subjects frequently suffer from gastrointestinal abnormalities, thus implying a role of the gut microbiota in ASD gastrointestinal pathophysiology. RESULTS: Here, we characterized the bacterial and fungal gut microbiota in a cohort of autistic individuals demonstrating the presence of an altered microbial community structure...
February 22, 2017: Microbiome
https://www.readbyqxmd.com/read/28222093/active-zone-proteins-are-transported-via-distinct-mechanisms-regulated-by-par-1-kinase
#13
Kara R Barber, Julia Tanquary, Keegan Bush, Amanda Shaw, Michael Woodson, Michael Sherman, Yogesh P Wairkar
Disruption of synapses underlies a plethora of neurodevelopmental and neurodegenerative disease. Presynaptic specialization called the active zone plays a critical role in the communication with postsynaptic neuron. While the role of many proteins at the active zones in synaptic communication is relatively well studied, very little is known about how these proteins are transported to the synapses. For example, are there distinct mechanisms for the transport of active zone components or are they all transported in the same transport vesicle? Is active zone protein transport regulated? In this report we show that overexpression of Par-1/MARK kinase, a protein whose misregulation has been implicated in Autism spectrum disorders (ASDs) and neurodegenerative disorders, lead to a specific block in the transport of an active zone protein component- Bruchpilot at Drosophila neuromuscular junctions...
February 21, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28221900/mental-health-disorders-associated-with-foodborne-pathogens
#14
Declan J Bolton, Lucy J Robertson
Human infections with foodborne pathogenic organisms are relatively well described in terms of their overt physical symptoms, such as diarrhea, abdominal cramps, vomiting, fever, and associated sequelae. Indeed, some of these are key for diagnosis and treatment, although it should be noted that, for some foodborne pathogens, the physical symptoms might be more diffuse, particularly those associated with some of the foodborne parasites. In contrast, the impact of these pathogens on mental health is less well described, and symptoms such as depression, anxiety, and general malaise are usually ignored when foodborne infections are recorded...
November 2016: Journal of Food Protection
https://www.readbyqxmd.com/read/28221363/premature-primary-tooth-eruption-in-cognitive-motor-delayed-adnp-mutated-children
#15
I Gozes, A Van Dijck, G Hacohen-Kleiman, I Grigg, G Karmon, E Giladi, M Eger, Y Gabet, M Pasmanik-Chor, E Cappuyns, O Elpeleg, R F Kooy, S Bedrosian-Sermone
A major flaw in autism spectrum disorder (ASD) management is late diagnosis. Activity-dependent neuroprotective protein (ADNP) is a most frequent de novo mutated ASD-related gene. Functionally, ADNP protects nerve cells against electrical blockade. In mice, complete Adnp deficiency results in dysregulation of over 400 genes and failure to form a brain. Adnp haploinsufficiency results in cognitive and social deficiencies coupled to sex- and age-dependent deficits in the key microtubule and ion channel pathways...
February 21, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28220926/genetic-testing-for-autism-spectrum-disorder-is-lacking-evidence-of-cost-effectiveness-a-systematic-review
#16
Andreas Ziegler, Wolfgang Rudolph-Rothfeld, Reinhard Vonthein
BACKGROUND: Autism Spectrum Disorder (ASD) is a highly heritable neural development disorder characterized by social impairment. The earlier the diagnosis is made, the higher are the chances of obtaining relief of symptoms. A very early diagnosis uses molecular genetic tests, which are also offered commercially. OBJECTIVE: Systematic review of the economic impact of genetic tests in ASD. METHODS: We performed a systematic search of databases Pubmed, Medline, Cochrane, Econlit and the NHS Center for Reviews and Dissemination for articles in English and German from January 1, 2000 to December 31, 2015...
February 21, 2017: Methods of Information in Medicine
https://www.readbyqxmd.com/read/28220359/mothers-and-children-s-story-telling-a-study-of-dyads-with-typically-developing-children-and-children-with-asd
#17
Tiffany L Hutchins, Chelsea Deraway, Patricia Prelock, Ana O'Neill
The production of specific mental state terms types and functions by caregivers and their TD children and caregivers and their children with ASD were assessed in two contexts: a parent's story-telling task and a child's story-telling task. Caregivers of children with ASD produced less causal talk and proportionally less desire and cognitive talk than did caregivers of TD children. When focusing only on variation in our ASD sample, caregivers' and children's production of different mental state references varied with context and were predicted by different child characteristics (i...
February 20, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28220358/potential-risk-factors-for-the-development-of-self-injurious-behavior-among-infants-at-risk-for-autism-spectrum-disorder
#18
Adele F Dimian, Kelly N Botteron, Stephen R Dager, Jed T Elison, Annette M Estes, John R Pruett, Robert T Schultz, Lonnie Zwaigenbaum, Joseph Piven, Jason J Wolff
Prevalence of self-injurious behavior (SIB) is as high as 50% among children with autism spectrum disorder (ASD). Identification of risk factors for the development of SIB is critical to early intervention and prevention. However, there is little empirical research utilizing a prospective design to identify early risk factors for SIB. The purpose of this study was to evaluate behavioral characteristics predicting SIB at age 2 years among 235 infants at high familial risk for ASD. Logistic regression results indicated that presence of SIB or proto-SIB and lower developmental functioning at age 12 months significantly predicted SIB at 24 months...
February 20, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28220357/are-generalized-anxiety-and-depression-symptoms-associated-with-social-competence-in-children-with-and-without-autism-spectrum-disorder
#19
Krista Haley Smith Johnston, Grace Iarocci
Generalized anxiety and depression symptoms may be associated with poorer social outcomes among children with Autism Spectrum Disorder (ASD) without intellectual disability. The goal of this study was to examine whether generalized anxiety and depression symptoms were associated with social competence after accounting for IQ, age, and gender in typically developing children and in children with ASD. Results indicated that for the TD group, generalized anxiety and depression accounted for 38% of the variance in social competence and for children with ASD, they accounted for 29% of the variance in social competence...
February 20, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28220356/overexpression-of-line-1-retrotransposons-in-autism-brain
#20
Svitlana Shpyleva, Stepan Melnyk, Oleksandra Pavliv, Igor Pogribny, S Jill James
Long interspersed nuclear elements-1 (LINE-1 or L1) are mobile DNA sequences that are capable of duplication and insertion (retrotransposition) within the genome. Recently, retrotransposition of L1 was shown to occur within human brain leading to somatic mosaicism in hippocampus and cerebellum. Because unregulated L1 activity can promote genomic instability and mutagenesis, multiple mechanisms including epigenetic chromatin condensation have evolved to effectively repress L1 expression. Nonetheless, L1 expression has been shown to be increased in patients with Rett syndrome and schizophrenia...
February 20, 2017: Molecular Neurobiology
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