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https://www.readbyqxmd.com/read/28334080/cortical-thickness-abnormalities-in-autism-spectrum-disorders-through-late-childhood-adolescence-and-adulthood-a-large-scale-mri-study
#1
Budhachandra S Khundrakpam, John D Lewis, Penelope Kostopoulos, Felix Carbonell, Alan C Evans
Neuroimaging studies in autism spectrum disorders (ASDs) have provided inconsistent evidence of cortical abnormality. This is probably due to the small sample sizes used in most studies, and important differences in sample characteristics, particularly age, as well as to the heterogeneity of the disorder. To address these issues, we assessed abnormalities in ASD within the Autism Brain Imaging Data Exchange data set, which comprises data from approximately 1100 individuals (~6-55 years). A subset of these data that met stringent quality control and inclusion criteria (560 male subjects; 266 ASD; age = 6-35 years) were used to compute age-specific differences in cortical thickness in ASD and the relationship of any such differences to symptom severity of ASD...
February 18, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/28333849/autism-spectrum-disorder-in-males-with-sex-chromosome-aneuploidy-xxy-klinefelter-syndrome-xyy-and-xxyy
#2
Nicole R Tartaglia, Rebecca Wilson, Judith S Miller, Jessica Rafalko, Lisa Cordeiro, Shanlee Davis, David Hessl, Judith Ross
OBJECTIVE: Neurodevelopmental concerns in males with sex chromosome aneuploidy (SCA) (XXY/Klinefelter syndrome, XYY, XXYY) include symptoms seen in autism spectrum disorder (ASD), such as language impairments and social difficulties. We aimed to: (1) evaluate ASD characteristics in research cohorts of SCA males under DSM-IV compared to DSM-5 criteria, and (2) analyze factors associated with ASD diagnoses in SCA. METHODS: Evaluation of participants with XXY/KS (n=20), XYY (n=57) and XXYY (n=21) included medical history, cognitive/adaptive testing, Social Communication Questionnaire, Social Responsiveness Scale, Autism Diagnostic Observation Schedule, Autism Diagnostic Interview-Revised, and DSM ASD criteria...
March 21, 2017: Journal of Developmental and Behavioral Pediatrics: JDBP
https://www.readbyqxmd.com/read/28333847/management-of-children-with-autism-spectrum-disorder-in-the-anesthesia-and-radiographic-context
#3
Ingalill G Berglund, Berit Björkman, Karing Enskär, Maria Faresjö, Karina Huus
OBJECTIVE: As a primary objective, this study purports to develop guidelines to better care for children with autism spectrum disorder (ASD), particularly regarding these children's preparation for anesthesia and radiologic procedures. METHODS: Using a Delphi method with an online distribution of questionnaire, guidelines for caring for children with ASD were created. Twenty-one participants were included in the expert panel. These participants were working with children with ASD in several anesthesia and radiology departments in Sweden...
March 21, 2017: Journal of Developmental and Behavioral Pediatrics: JDBP
https://www.readbyqxmd.com/read/28331639/emerging-synaptic-molecules-as-candidates-in-the-etiology-of-neurological-disorders
#4
REVIEW
Viviana I Torres, Daniela Vallejo, Nibaldo C Inestrosa
Synapses are complex structures that allow communication between neurons in the central nervous system. Studies conducted in vertebrate and invertebrate models have contributed to the knowledge of the function of synaptic proteins. The functional synapse requires numerous protein complexes with specialized functions that are regulated in space and time to allow synaptic plasticity. However, their interplay during neuronal development, learning, and memory is poorly understood. Accumulating evidence links synapse proteins to neurodevelopmental, neuropsychiatric, and neurodegenerative diseases...
2017: Neural Plasticity
https://www.readbyqxmd.com/read/28329207/people-centered-language-recommendations-for-sleep-research-communication
#5
Rebecca Fuoco
The growing embrace of patient-centered outcomes research (PCOR) in sleep medicine is a significant step forward for the field. In engaging and incorporating the unique perspectives of people with sleep disorders, PCOR enhances the relevance of findings and facilitates the uptake of research into practice. While centering research design around what matters most to people with sleep disorders is critical, research communication must be similarly people-centered. One approach is using "people-centered language" in both professional and public communications...
March 6, 2017: Sleep
https://www.readbyqxmd.com/read/28326463/relationship-between-selenium-lead-and-mercury-in-red-blood-cells-of-saudi-autistic-children
#6
Afaf El-Ansary, Geir Bjørklund, Alexey A Tinkov, Anatoly V Skalny, Hussain Al Dera
Autism spectrum disorder (ASD) is a neurodevelopmental disorder that can cause significant social, communication and behavioral challenges. Environmental contribution to ASD is due in large part to the sensitivity of the developing brain to external exposures such as lead (Pb), and mercury (Hg) as toxic heavy metals or due to a poor detoxification ability as the phenotype of this disorder. Selenium (Se) as an antioxidant element that counteracts the neurotoxicity of Hg, and Pb, presumably through the formation of nontoxic complexes...
March 21, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28324860/direct-detection-of-two-different-tumor-derived-extracellular-vesicles-by-sam-aunis-lspr-biosensor
#7
Abhimanyu Thakur, Guangyu Qiu, Siu-Pang Ng, Jintao Guan, Jianbo Yue, Youngjin Lee, Chi-Man Lawrence Wu
Extracellular vesicles (EVs) are abundant in various biological fluids including blood, saliva, urine, as well as extracellular milieu. Accumulating evidence has indicated that EVs, which contain functional proteins and small RNAs, facilitate intercellular communication between neighbouring cells, and are critical to maintain various physiological processes. In contrast, EV-derived toxic signals can spread out over the tissues adjacent to the injured area in certain diseases, including brain tumors and neurodegenerative disorders...
March 18, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28323454/interaction-behaviors-of-bilingual-parents-with-their-young-children-with-autism-spectrum-disorder
#8
Kristelle Hudry, Lisa Rumney, Nicole Pitt, Josephine Barbaro, Giacomo Vivanti
Given concerns that bilingual exposure might confuse children with disabilities-including autism spectrum disorder (ASD)-bilingual parents may restrict exposure to one language, often the community-dominant language. We investigated a potential consequence of this decision; the possibility that non-native language use might influence parental communicative behaviors during interaction with the child. We recruited 39 parent-child dyads, each with a young child with ASD (mostly boys) and parent/carer (mostly mothers)...
March 21, 2017: Journal of Clinical Child and Adolescent Psychology
https://www.readbyqxmd.com/read/28323282/an-autism-associated-serotonin-transporter-variant-disrupts-multisensory-processing
#9
J K Siemann, C L Muller, C G Forsberg, R D Blakely, J Veenstra-VanderWeele, M T Wallace
Altered sensory processing is observed in many children with autism spectrum disorder (ASD), with growing evidence that these impairments extend to the integration of information across the different senses (that is, multisensory function). The serotonin system has an important role in sensory development and function, and alterations of serotonergic signaling have been suggested to have a role in ASD. A gain-of-function coding variant in the serotonin transporter (SERT) associates with sensory aversion in humans, and when expressed in mice produces traits associated with ASD, including disruptions in social and communicative function and repetitive behaviors...
March 21, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28322981/imaging-genetics-in-autism-spectrum-disorders-linking-genetics-and-brain-imaging-in-the-pursuit-of-the-underlying-neurobiological-mechanisms
#10
REVIEW
Marc Fakhoury
Autism spectrum disorders (ASD) include a wide range of heterogeneous neurodevelopmental conditions that affect an individual in several aspects of social communication and behavior. Recent advances in molecular genetic technologies have dramatically increased our understanding of ASD etiology through the identification of several autism risk genes, most of which serve important functions in synaptic plasticity and protein synthesis. However, despite significant progress in this field of research, the characterization of the neurobiological mechanisms by which common genetic risk variants might operate to give rise to ASD symptomatology has proven to be far more difficult than expected...
March 16, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28319481/application-of-telepractice-for-head-and-neck-cancer-management-a-review-of-speech-language-pathology-service-models
#11
Elizabeth C Ward, Laurelie R Wall, Clare L Burns, Bena Cartmill, Anne J Hill
PURPOSE OF REVIEW: Head and neck cancer (HNC) is a complex and heterogeneous disease, requiring specialist intervention from a multidisciplinary team including speech language pathology (SLP). Unfortunately, multiple patient and service-related challenges exist which currently limit equitable access to SLP support for all individuals. This review highlights the existing evidence for different telepractice models designed to help patients and services optimize management of swallowing and communication disorders arising from HNC...
March 17, 2017: Current Opinion in Otolaryngology & Head and Neck Surgery
https://www.readbyqxmd.com/read/28318584/short-communication-early-modification-of-the-circadian-organization-of-cow-activity-in-relation-to-disease-or-estrus
#12
Isabelle Veissier, Marie-Madeleine Mialon, Karen Helle Sloth
Biological rhythms are an essential regulator of life. There is evidence that circadian rhythm of activity is disrupted under chronic stress in animals and humans, and it may also be less marked during diseases. Here we investigated whether a detectable circadian rhythm of activity exists in dairy cows in commercial settings using a real-time positioning system. We used CowView (GEA Farm Technologies) to regularly record the individual positions of 350 cows in a Danish dairy farm over 5 mo and to infer the cows' activity (resting, feeding, in alley)...
March 16, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28316774/glutathione-metabolism-in-the-prefrontal-brain-of-adults-with-high-functioning-autism-spectrum-disorder-an-mrs-study
#13
Dominique Endres, Ludger Tebartz van Elst, Simon A Meyer, Bernd Feige, Kathrin Nickel, Anna Bubl, Andreas Riedel, Dieter Ebert, Thomas Lange, Volkmar Glauche, Monica Biscaldi, Alexandra Philipsen, Simon J Maier, Evgeniy Perlov
BACKGROUND: Autism spectrum disorder (ASD) is a neurodevelopmental disease characterized by difficulties in social communication, unusually restricted, repetitive behavior and interests, and specific abnormalities in language and perception. The precise etiology of ASD is still unknown and probably heterogeneous. In a subgroup of patients, toxic environmental exposure might lead to an imbalance between oxidative stress and anti-oxidant systems. Previous serum and postmortem studies measuring levels of glutathione (GSH), the main cellular free radical scavenger in the brain, have supported the hypothesis that this compound might play a role in the pathophysiology of autism...
2017: Molecular Autism
https://www.readbyqxmd.com/read/28315722/risk-mitigation-for-children-exposed-to-drugs-during-gestation-a-critical-role-for-animal-preclinical-behavioral-testing
#14
REVIEW
Irving Zucker
Many drugs with unknown safety profiles are administered to pregnant women, placing their offspring at risk. I assessed whether behavioral outcomes for children exposed during gestation to antidepressants, anxiolytics, anti-seizure, anti-nausea and sedative medications can be predicted by more extensive animal studies than are part of the FDA approval process. Human plus rodent data were available for only 8 of 33 CNS-active drugs examined. Similar behavioral and cognitive deficits, including autism and ADHD emerged in human offspring and in animal models of these disorders after exposure to fluoxetine, valproic acid, carbamazepine, phenytoin, phenobarbital, acetaminophen and ibuprofen...
March 15, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28304357/clinical-prediction-of-suicide-and-undetermined-death-a-pseudo-prospective-clinical-and-medico-legal-study-of-substance-abusers
#15
Louise Brådvik, Mats Berglund, Arne Frank, Peter Löwenhielm
This study examines aspects of prediction of suicide and death of undetermined intent. We investigated all consecutive, autopsied patients between 1993 and 1997 who had been in contact with the Addiction Centre in Malmö from 1968 onwards. The staff was asked, shortly after autopsy but before they knew of the manner of death, if they thought the patient had committed suicide. The case records were blindly evaluated, and toxicological autopsy findings for alcohol in blood samples investigated. The specificity of prediction was 83% and significantly more often correct than the sensitivity, which was only 45% for suicide and for suicide/death of undetermined intent (93% versus 39%)...
March 17, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28304267/posttraumatic-stress-disorder-symptoms-and-family-functioning-in-adult-children-facing-parental-cancer-a-comparison-study
#16
Ricardo J Teixeira, M Graça Pereira
This study analyzed posttraumatic stress disorder (PTSD) symptoms and family functioning in a sample of adult children caregivers of cancer patients and in a group of adult children of nonchronically ill parents. Participants completed measures of family functioning and PTSD symptoms. The parental cancer group was subdivided into PTSD subgroups, and significant differences, on family functioning, were found. In the parental cancer group, the predictors of PTSD symptoms were being a woman and having an enmeshed or chaotic family functioning...
August 1, 2016: Research and Theory for Nursing Practice
https://www.readbyqxmd.com/read/28302187/dynamical-systems-theory-in-quantitative-psychology-and-cognitive-science-a-fair-discrimination-between-deterministic-and-statistical-counterparts-is-required
#17
Adam Gadomski, Marcel Ausloos, Tahlia Casey
This article addresses a set of observations framed in both deterministic as well as statistical formal guidelines. It operates within the framework of nonlinear dynamical systems theory (NDS). It is argued that statistical approaches can manifest themselves ambiguously, creating practical discrepancies in psychological and cognitive data analyses both quantitatively and qualitatively. This is sometimes termed in literature as 'questionable research practices.' This communication points to the demand for a deeper awareness of the data 'initial conditions, allowing to focus on pertinent evolution constraints in such systems...
April 2017: Nonlinear Dynamics, Psychology, and Life Sciences
https://www.readbyqxmd.com/read/28301775/the-microbiome-and-host-behavior
#18
Helen E Vuong, Jessica M Yano, Thomas C Fung, Elaine Y Hsiao
The microbiota is increasingly recognized for its ability to influence the development and function of the nervous system and several complex host behaviors. In this review, we discuss emerging roles for the gut microbiota in modulating host social and communicative behavior, stressor-induced behavior, and performance in learning and memory tasks. We summarize effects of the microbiota on host neurophysiology, including brain microstructure, gene expression, and neurochemical metabolism across regions of the amygdala, hippocampus, frontal cortex, and hypothalamus...
March 8, 2017: Annual Review of Neuroscience
https://www.readbyqxmd.com/read/28301091/shorter-sleep-duration-is-associated-with-social-impairment-and-comorbidities-in-asd
#19
Olivia J Veatch, James S Sutcliffe, Zachary E Warren, Brendan T Keenan, Melissa H Potter, Beth A Malow
Sleep disturbance, particularly insomnia, is common in children with autism spectrum disorders (ASD). Furthermore, disturbed sleep affects core symptoms and other related comorbidities. Understanding the causes and consequences of sleep disturbances in children with ASD is an important step toward mitigating these symptoms. To better understand the connection between sleep duration and ASD severity, we analyzed ASD-related symptoms using the Autism Diagnostic Interview-Revised (ADI-R), Autism Diagnostic Observation Schedule (ADOS), IQ scores, and parent reports of the average amount of time slept per night that were available in the medical histories of 2,714 children with ASD in the Simons Simplex Collection (SSC)...
March 16, 2017: Autism Research: Official Journal of the International Society for Autism Research
https://www.readbyqxmd.com/read/28301083/age-specific-autistic-like-behaviors-in-heterozygous-fmr1-ko-female-mice
#20
Manon Gauducheau, Valerie Lemaire-Mayo, Francesca R D'Amato, Diego Oddi, Wim E Crusio, Susanna Pietropaolo
Fragile X syndrome (FXS) is a major developmental disorder and the most frequent monogenic cause of autism. Surprisingly, most existing studies on the Fmr1-KO mouse model for FXS have focused on males, although FX women, who are mostly heterozygous for the Fmr1 mutation, are known to exhibit several behavioral deficits, including autistic-like features. Furthermore, most animal research has been carried out on adults only; so that little is known about the age progression of the behavioral phenotype of Fmr1 mutants, which is a crucial issue to optimize the impact of therapeutic interventions...
March 16, 2017: Autism Research: Official Journal of the International Society for Autism Research
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