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Autism review

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https://www.readbyqxmd.com/read/28213805/an-overview-of-autism-spectrum-disorder-heterogeneity-and-treatment-options
#1
REVIEW
Anne Masi, Marilena M DeMayo, Nicholas Glozier, Adam J Guastella
Since the documented observations of Kanner in 1943, there has been great debate about the diagnoses, the sub-types, and the diagnostic threshold that relates to what is now known as autism spectrum disorder (ASD). Reflecting this complicated history, there has been continual refinement from DSM-III with 'Infantile Autism' to the current DSM-V diagnosis. The disorder is now widely accepted as a complex, pervasive, heterogeneous condition with multiple etiologies, sub-types, and developmental trajectories. Diagnosis remains based on observation of atypical behaviors, with criteria of persistent deficits in social communication and restricted and repetitive patterns of behavior...
February 17, 2017: Neuroscience Bulletin
https://www.readbyqxmd.com/read/28213292/improving-therapeutic-outcomes-in-autism-spectrum-disorders-enhancing-social-communication-and-sensory-processing-through-the-use-of-interactive-robots
#2
REVIEW
Felippe Sartorato, Leon Przybylowski, Diana K Sarko
For children with autism spectrum disorders (ASDs), social robots are increasingly utilized as therapeutic tools in order to enhance social skills and communication. Robots have been shown to generate a number of social and behavioral benefits in children with ASD including heightened engagement, increased attention, and decreased social anxiety. Although social robots appear to be effective social reinforcement tools in assistive therapies, the perceptual mechanism underlying these benefits remains unknown...
February 7, 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/28211175/systematic-review-and-meta-analysis-of-the-association-of-autism-spectrum-disorder-in-visually-or-hearing-impaired-children
#3
Belinda Do, Paige Lynch, Elena-Marie Macris, Brianna Smyth, Stephanie Stavrinakis, Stephen Quinn, Paul A Constable
PURPOSE: To determine whether there is an association with a congenital visual or hearing impairment (VI or HI) and Autism Spectrum Disorder (ASD) in children. METHODS: A systematic literature review was performed using nine relevant databases limited to peer reviewed articles in English between 1994 and January 2016. The search identified 1248 articles after duplicates were removed with subsequent screening of the abstracts excluding a further 1199, resulting in 49 full-text articles that were then independently assessed by five of the authors with a final 15 articles meeting the inclusion criteria...
March 2017: Ophthalmic & Physiological Optics: the Journal of the British College of Ophthalmic Opticians (Optometrists)
https://www.readbyqxmd.com/read/28209607/parenting-for-autism-language-and-communication-evaluation-study-palaces-protocol-for-a-pilot-randomised-controlled-trial
#4
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/28189054/implementation-evaluation-of-early-intensive-behavioral-intervention-programs-for-children-with-autism-spectrum-disorders-a-systematic-review-of-studies-in-the-last-decade
#5
Valérie Caron, Annie Bérubé, Annie Paquet
: For young children with autism spectrum disorders, one of the choice interventions is Early Intensive Behavioral Intervention. Over the past ten years, its effectiveness has been abundantly evaluated based on various parameters, including the intensity and duration of the intervention. Despite major advances in effectiveness evaluation, data concerning the implementation of the intervention are often described briefly, and the active ingredients of the intervention are but rarely linked to the documented effects...
January 22, 2017: Evaluation and Program Planning
https://www.readbyqxmd.com/read/28188104/observing-and-participating-in-social-interactions-action-perception-and-action-control-across-the-autistic-spectrum
#6
REVIEW
Dimitris Bolis, Leonhard Schilbach
Autism is a developmental condition, characterized by difficulties of social interaction and communication, as well as restricted interests and repetitive behaviors. Although several important conceptions have shed light on specific facets, there is still no consensus about a universal yet specific theory in terms of its underlying mechanisms. While some theories have exclusively focused on sensory aspects, others have emphasized social difficulties. However, sensory and social processes in autism might be interconnected to a higher degree than what has been traditionally thought...
January 23, 2017: Developmental Cognitive Neuroscience
https://www.readbyqxmd.com/read/28186671/modeling-neurodevelopmental-and-psychiatric-diseases-with-human-ipscs
#7
REVIEW
Zhexing Wen
Neurodevelopmental and psychiatric disorders, including autism spectrum disorder and schizophrenia, are complex and heterogeneous disorders that affect a large portion of the world's population. While the causes are still poorly understood, currently available treatments are limited; the development of rational therapeutics based on an understanding of the etiology and pathogenesis of the disease is imperative. The breakthrough technology of deriving induced pluripotent stem cells (iPSCs), reprogrammed from somatic cells of healthy subjects or patients, offers an unprecedented opportunity to recapitulate both normal and pathological development of human tissue, thereby opening up a new avenue for disease modeling and drug development in a more genetically tractable and disease-relevant system...
February 10, 2017: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/28183195/screening-for-autism-spectrum-disorder-in-low-and-middle-income-countries-a-systematic-review
#8
Lydia A Stewart, Li-Ching Lee
This review contributes to the growing body of global autism spectrum disorder literature by examining the use of screening instruments in low- and middle-income countries with respect to study design and methodology, instrument adaptation and performance, and collaboration with community stakeholders in research. A systematic review was conducted to understand the use of autism spectrum disorder screening instruments in low- and middle-income countries from studies published between 1992 and 2015. This review found that 18 different autism spectrum disorder screeners have been used in low- and middle-income settings with wide ranges of sensitivities and specificities...
January 1, 2017: Autism: the International Journal of Research and Practice
https://www.readbyqxmd.com/read/28180026/chromosomal-microarrays-understanding-genetics-of-neurodevelopmental-disorders-and-congenital-anomalies
#9
REVIEW
Jill A Rosenfeld, Ankita Patel
Chromosomal microarray (CMA) testing, used to identify DNA copy number variations (CNVs), has helped advance knowledge about genetics of human neurodevelopmental disease and congenital anomalies. It has aided in discovering new CNV syndromes and uncovering disease genes. It has discovered CNVs that are not fully penetrant and/or cause a spectrum of phenotypes, including intellectual disability, autism, schizophrenia, and dysmorphisms. Such CNVs can pose challenges to genetic counseling. They also have helped increase knowledge of genetic risk factors for neurodevelopmental disease and raised awareness of possible shared etiologies among these variable phenotypes...
March 2017: Journal of Pediatric Genetics
https://www.readbyqxmd.com/read/28174609/disrupted-development-and-imbalanced-function-in-the-global-neuronal-workspace-a-positive-feedback-mechanism-for-the-emergence-of-asd-in-early-infancy
#10
REVIEW
Chris Fields, James F Glazebrook
Autism spectrum disorder (ASD) is increasingly being conceptualized as a spectrum disorder of connectome development. We review evidence suggesting that ASD is characterized by a positive feedback loop that amplifies small functional variations in early-developing sensory-processing pathways into structural and functional imbalances in the global neuronal workspace. Using vision as an example, we discuss how early functional variants in visual processing may be feedback-amplified to produce variant object categories and disrupted top-down expectations, atypically large expectation-to-perception mismatches, problems re-identifying individual people and objects, socially inappropriate, generally aversive emotional responses and disrupted sensory-motor coordination...
February 2017: Cognitive Neurodynamics
https://www.readbyqxmd.com/read/28174552/measuring-mindreading-a-review-of-behavioral-approaches-to-testing-cognitive-and-affective-mental-state-attribution-in-neurologically-typical-adults
#11
REVIEW
Rose Turner, Fatima M Felisberti
Mindreading refers to the ability to attribute mental states, including thoughts, intentions and emotions, to oneself and others, and is essential for navigating the social world. Empirical mindreading research has predominantly featured children, groups with autism spectrum disorder and clinical samples, and many standard tasks suffer ceiling effects with neurologically typical (NT) adults. We first outline a case for studying mindreading in NT adults and proceed to review tests of emotion perception, cognitive and affective mentalizing, and multidimensional tasks combining these facets...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28174531/sensory-emotional-and-cognitive-contributions-to-anxiety-in-autism-spectrum-disorders
#12
REVIEW
Mikle South, Jacqui Rodgers
Severe symptoms of anxiety add substantial additional burden to many individuals diagnosed with Autism Spectrum Disorder (ASD). Improved understanding of specific factors that contribute to anxiety in ASD can aid research regarding the causes of autism and also provide targets for more effective intervention. This mini-review article focuses on emerging evidence for three concepts that appear to be related to each other and which also strongly predict anxiety in ASD samples. Atypical sensory function is included in the diagnostic criteria for ASD and is likely an important contributor to anxiety...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28167097/the-btbr-mouse-model-of-idiopathic-autism-current-view-on-mechanisms
#13
REVIEW
K Z Meyza, D C Blanchard
Autism spectrum disorder (ASD) is the most commonly diagnosed neurodevelopmental disorder, with current estimates of more than 1% of affected children across nations. The patients form a highly heterogeneous group with only the behavioral phenotype in common. The genetic heterogeneity is reflected in a plethora of animal models representing multiple mutations found in families of affected children. Despite many years of scientific effort, for the majority of cases the genetic cause remains elusive. It is therefore crucial to include well-validated models of idiopathic autism in studies searching for potential therapeutic agents...
February 3, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28163671/drive-the-car-go-s-new-modalities-to-control-cargo-trafficking-in-live-cells
#14
REVIEW
Payel Mondal, John S Khamo, Vishnu V Krishnamurthy, Qi Cai, Kai Zhang
Synaptic transmission is a fundamental molecular process underlying learning and memory. Successful synaptic transmission involves coupled interaction between electrical signals (action potentials) and chemical signals (neurotransmitters). Defective synaptic transmission has been reported in a variety of neurological disorders such as Autism and Alzheimer's disease. A large variety of macromolecules and organelles are enriched near functional synapses. Although a portion of macromolecules can be produced locally at the synapse, a large number of synaptic components especially the membrane-bound receptors and peptide neurotransmitters require active transport machinery to reach their sites of action...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28153685/reframing-autism-as-a-behavioral-syndrome-and-not-a-specific-mental-disorder-perspectives-from-a-literature-review
#15
REVIEW
S Tordjman, D Cohen, N Coulon, G M Anderson, M Botbol, P L Roubertoux
Clinical and molecular genetics have advanced current knowledge on genetic disorders associated with autism. A review of diverse genetic disorders associated with autism is presented and for the first time discussed extensively with regard to possible common underlying mechanisms leading to a similar cognitive-behavioral phenotype of autism. The possible role of interactions between genetic and environmental factors, including epigenetic mechanisms, is in particular examined. Finally, the pertinence of distinguishing non-syndromic autism (isolated autism) from syndromic autism (autism associated with genetic disorders) will be reconsidered...
January 30, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28152400/what-is-the-prevalence-of-autism-spectrum-disorder-and-asd-traits-in-psychosis-a-systematic-review
#16
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/28143732/microglia-in-cns-development-shaping-the-brain-for-the-future
#17
REVIEW
Coralie-Anne Mosser, Sofia Baptista, Isabelle Arnoux, Etienne Audinat
Microglial cells are the resident macrophages of the central nervous system (CNS) and are mainly known for their roles in neuropathologies. However, major recent developments have revealed that these immune cells actively interact with neurons in physiological conditions and can modulate the fate and functions of synapses. Originating from myeloid precursors born in the yolk sac, microglial cells invade the CNS during early embryonic development. As a consequence they can potentially influence neuronal proliferation, migration and differentiation as well as the formation and maturation of neuronal networks, thereby contributing to the entire shaping of the CNS...
January 28, 2017: Progress in Neurobiology
https://www.readbyqxmd.com/read/28141738/new-insights-into-the-mechanisms-of-the-ketogenic-diet
#18
Detlev Boison
PURPOSE OF REVIEW: High-fat, low-carbohydrate ketogenic diets have been used for almost a century for the treatment of epilepsy. Used traditionally for the treatment of refractory pediatric epilepsies, in recent years the use of ketogenic diets has experienced a revival to include the treatment of adulthood epilepsies as well as conditions ranging from autism to chronic pain and cancer. Despite the ability of ketogenic diet therapy to suppress seizures refractory to antiepileptic drugs and reports of lasting seizure freedom, the underlying mechanisms are poorly understood...
January 30, 2017: Current Opinion in Neurology
https://www.readbyqxmd.com/read/28140401/advanced-paternal-age-effects-in-neurodevelopmental-disorders-review-of-potential-underlying-mechanisms
#19
REVIEW
M Janecka, J Mill, M A Basson, A Goriely, H Spiers, A Reichenberg, L Schalkwyk, C Fernandes
Multiple epidemiological studies suggest a relationship between advanced paternal age (APA) at conception and adverse neurodevelopmental outcomes in offspring, particularly with regard to increased risk for autism and schizophrenia. Conclusive evidence about how age-related changes in paternal gametes, or age-independent behavioral traits affect neural development is still lacking. Recent evidence suggests that the origins of APA effects are likely to be multidimensional, involving both inherited predisposition and de novo events...
January 31, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28138831/brain-derived-neurotrophic-factor-levels-in-autism-a-systematic-review-and-meta-analysis
#20
Amene Saghazadeh, Nima Rezaei
Brain-derived neurotrophic factor (BDNF) plays an important role in activity-dependent synaptic plasticity. Altered blood BDNF levels have been frequently identified in people with autism spectrum disorders (ASD). There are however wide discrepancies in the evidence. Therefore, we performed the present systematic review and meta-analysis aimed at qualitative and quantitative synthesis of studies that measured blood BDNF levels in ASD and control subjects. Observational studies were identified through electronic database searching and also hand-searching of reference lists of relevant articles...
January 30, 2017: Journal of Autism and Developmental Disorders
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