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https://www.readbyqxmd.com/read/28449247/informant-discrepancy-defines-discrete-clinically-useful-autism-spectrum-disorder-subgroups
#1
Matthew D Lerner, Andres De Los Reyes, Deborah A G Drabick, Alan H Gerber, Kenneth D Gadow
BACKGROUND: Discrepancy between informants (parents and teachers) in severity ratings of core symptoms commonly arise when assessing autism spectrum disorder (ASD). Whether such discrepancy yields unique information about the ASD phenotype and its clinical correlates has not been examined. We examined whether degree of discrepancy between parent and teacher ASD symptom ratings defines discrete, clinically meaningful subgroups of youth with ASD using an efficient, cost-effective procedure...
April 27, 2017: Journal of Child Psychology and Psychiatry, and Allied Disciplines
https://www.readbyqxmd.com/read/28449218/development-and-pharmacologic-characterization-of-the-rat-6-hz-model-of-partial-seizures
#2
Cameron S Metcalf, Peter J West, Kyle E Thomson, Sharon F Edwards, Misty D Smith, H S White, Karen S Wilcox
OBJECTIVE: The mouse 6 Hz model of psychomotor seizures is a well-established and commonly used preclinical model for antiseizure drug (ASD) discovery. Despite its widespread use both in the identification and differentiation of novel ASDs in mice, a corresponding assay in rats has not been developed. We established a method for 6 Hz seizure induction in rats, with seizure behaviors similar to those observed in mice including head nod, jaw clonus, and forelimb clonus. METHODS: A convulsive current that elicits these seizure behaviors in 97% of rats (CC97 ) was determined using a Probit analysis...
April 27, 2017: Epilepsia
https://www.readbyqxmd.com/read/28448695/long-term-memory-in-older-children-adolescents-and-adults-with-autism-spectrum-disorder
#3
Diane L Williams, Nancy J Minshew, Gerald Goldstein, Carla A Mazefsky
This study extends prior memory reports in autism spectrum disorders (ASD) by investigating memory for narratives after longer recall periods and by examining developmental aspects of narrative memory using a cross-sectional design. Forty-seven older children/adolescents with ASD and 31 youth with typical development (TD) and 39 adults with ASD and 45 TD adults were compared on memory for stories from standardized measures appropriate for each age group at three intervals (immediate, 30 min, and 2 day). Both the youth with and without ASD had difficulty with memory for story details with increasing time intervals...
April 27, 2017: Autism Research: Official Journal of the International Society for Autism Research
https://www.readbyqxmd.com/read/28448681/autism-too-eager-to-learn-event-related-potential-findings-of-increased-dependency-on-intentional-learning-in-a-serial-reaction-time-task
#4
Fenny S Zwart, Constance W Th M Vissers, Roemer van der Meij, Roy P C Kessels, Joseph H R Maes
It has been suggested that people with autism spectrum disorder (ASD) have an increased tendency to use explicit (or intentional) learning strategies. This altered learning may play a role in the development of the social communication difficulties characterizing ASD. In the current study, we investigated incidental and intentional sequence learning using a Serial Reaction Time (SRT) task in an adult ASD population. Response times and event related potentials (ERP) components (N2b and P3) were assessed as indicators of learning and knowledge...
April 27, 2017: Autism Research: Official Journal of the International Society for Autism Research
https://www.readbyqxmd.com/read/28448225/online-positive-thinking-training-intervention-for-caregivers-of-individuals-with-asd-necessity-acceptability-and-feasibility
#5
Abir K Bekhet
BACKGROUND: More than 3.5 million people in the United States are diagnosed with autism spectrum disorder (ASD). Caring for children with ASD can be stressful and can be detrimental to the well-being of the caregivers (CGs). However, the adverse effects of caregiving on the well-being of CGs may be avoided with appropriate interventions. CGs of persons with ASD might benefit from a positive thinking training (PTT) intervention to help them cope with the stress of caregiving. However, the necessity, acceptability and feasibility for PTT in ASD CGs have not been studied...
May 2017: Issues in Mental Health Nursing
https://www.readbyqxmd.com/read/28447306/the-effects-of-early-language-on-age-at-diagnosis-and-functioning-at-school-age-in-children-with-autism-spectrum-disorder
#6
Anthony Goodwin, Nicole L Matthews, Christopher J Smith
Research suggests that toddlers with no language delay (NLD) should have better outcomes than those with language delay (LD). However, the predictive utility of language milestones relative to co-varying factors such as age at diagnosis, IQ, and ASD symptomatology is unclear. This study compared school-aged children with ASD and NLD (n = 59) to a well-matched group with ASD and LD (n = 59). The LD group was diagnosed at younger ages and their historical ASD symptoms were more severe than the NLD group...
April 26, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28447305/a-discrepancy-in-comprehension-and-production-in-early-language-development-in-asd-is-it-clinically-relevant
#7
Meghan M Davidson, Susan Ellis Weismer
This study examined the extent to which a discrepant comprehension-production profile (i.e., relatively more delayed comprehension than production) is characteristic of the early language phenotype in autism spectrum disorders (ASD) and tracked the developmental progression of the profile. Our findings indicated that a discrepant comprehension-production profile distinguished toddlers (30 months) with ASD from late talkers without ASD (91% sensitivity, 100% specificity) in groups that were comparable on expressive language, age, and socioeconomic status...
April 26, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28447303/brief-report-metformin-for-antipsychotic-induced-weight-gain-in-youth-with-autism-spectrum-disorder
#8
Logan K Wink, Ryan Adams, Ernest V Pedapati, Kelli C Dominick, Emma Fox, Catherine Buck, Craig A Erickson
Antipsychotic treatment in youth with autism spectrum disorder (ASD) is becoming increasingly common, placing individuals at risk for antipsychotic-induced weight gain and associated complications. Metformin hydrochloride, a biguanide medication FDA-approved for treatment of type-2 diabetes in youth, may hold promise for treatment of antipsychotic-induced weight gain in youth with ASD. In this report we assess the long-term impact of metformin on antipsychotic-associated weight gain in a naturalistic sample of 53 youth with ASD...
April 26, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28447268/atypical-age-dependency-of-executive-function-and-white-matter-microstructure-in-children-and-adolescents-with-autism-spectrum-disorders
#9
Kenia Martínez, Jessica Merchán-Naranjo, Laura Pina-Camacho, Yasser Alemán-Gómez, Leticia Boada, David Fraguas, Carmen Moreno, Celso Arango, Joost Janssen, Mara Parellada
Executive function (EF) performance is associated with measurements of white matter microstructure (WMS) in typical individuals. Impaired EF is a hallmark symptom of autism spectrum disorders (ASD) but it is unclear how impaired EF relates to variability in WMS. Twenty-one male youth (8-18 years) with ASD and without intellectual disability and twenty-one typical male participants (TP) matched for age, intelligence quotient, handedness, race and parental socioeconomic status were recruited. Five EF domains were assessed and several DTI-based measurements of WMS [fractional anisotropy (FA), mean diffusivity (MD) and radial diffusivity (RD)] were estimated for eighteen white matter tracts...
April 26, 2017: European Child & Adolescent Psychiatry
https://www.readbyqxmd.com/read/28447214/eeg-abnormalities-and-long-term-seizure-outcome-in-high-functioning-autism
#10
Özdem Ertürk Çetin, Barış Korkmaz, Gülce Alev, Veysi Demirbilek
Electroencephalographic abnormalities may occur in autistic spectrum disorders (ASD) even in the absence of clinical seizures. These abnormalities may vary from nonspecific changes to epileptiform abnormalities and are more common compared to the overall population. The level of intelligence is a significant risk factor for epilepsy in ASD. However, the relation between the functionality of the individuals with autism and the electroencephalographic (EEG) abnormalities, and the clinical significance of these abnormalities still remain relatively unclear...
April 26, 2017: Acta Neurologica Belgica
https://www.readbyqxmd.com/read/28446959/gestational-vitamin-d-deficiency-and-autism-spectrum-disorder
#11
Anna A E Vinkhuyzen, Darryl W Eyles, Thomas H J Burne, Laura M E Blanken, Claudia J Kruithof, Frank Verhulst, Tonya White, Vincent W Jaddoe, Henning Tiemeier, John J McGrath
BACKGROUND: There is growing interest in linking vitamin D deficiency with autism spectrum disorders (ASDs). The association between vitamin D deficiency during gestation, a critical period in neurodevelopment, and ASD is not well understood. AIMS: To determine the association between gestational vitamin D status and ASD. METHOD: Based on a birth cohort (n=4334), we examined the association between 25-hydroxyvitamin D (25OHD), assessed from both maternal mid-gestation sera and neonatal sera, and ASD (defined by clinical records; n=68 cases)...
March 2017: BJPsych Open
https://www.readbyqxmd.com/read/28446869/fnirs-studies-on-hemispheric-asymmetry-in-atypical-neural-function-in-developmental-disorders
#12
REVIEW
Hirokazu Doi, Kazuyuki Shinohara
Functional lateralization is highly replicable trait of human neural system. Many previous studies have indicated the possibility that people with attention-deficits/hyperactivity-disorder (ADHD) and autism spectrum disorder (ASD) show hemispheric asymmetry in atypical neural function. However, despite the abundance of relevant studies, there is still ongoing controversy over this issue. In the present mini-review, we provide an overview of the hemispheric asymmetry in atypical neural function observed in fNIRS studies on people with these conditions...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28444476/assessing-the-dim-light-melatonin-onset-in-adults-with-autism-spectrum-disorder-and-no-comorbid-intellectual-disability
#13
Emma K Baker, Amanda L Richdale, Agnes Hazi, Luke A Prendergast
This study assessed melatonin levels and the dim light melatonin onset (DLMO) in adults with Autism Spectrum Disorder (ASD) and also investigated the relationships between melatonin and objectively measured sleep parameters. Sixteen adults with ASD (ASD-Only), 12 adults with ASD medicated for comorbid diagnoses of anxiety and/or depression (ASD-Med) and 32 controls participated in the study. Although, the timing of the DLMO did not differ between the two groups, advances and delays of the melatonin rhythm were observed in individual profiles...
April 26, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28441847/-feasibility-of-device-closure-for-multiple-atrial-septal-defects-using-3d-printing-and-ultrasound-guided-intervention-technique
#14
X Qiu, B Lü, N Xu, C W Yan, W B Ouyang, Y Liu, F W Zhang, Z Q Yue, K J Pang, X B Pan
Objective: To investigate the feasibility of trans-catheter closure of multiple atrial septal defects (ASD) monitored by trans-thoracic echocardiography (TTE) under the guidance of 3D printing heart model. Methods: Between April and August 2016, a total of 21 patients (8 male and 13 female) with multiple ASD in Fuwai Hospital of Chinese Academy of Medical Sciences underwent CT scan and 3-dimensional echocardiography for heart disease model produced by 3D printing technique. The best occlusion program was determined through the simulation test on the model...
April 25, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28441308/factors-associated-with-the-development-of-and-revision-for-proximal-junctional-kyphosis-in-440-consecutive-adult-spinal-deformity-patients
#15
Fred H Nicholls, Junseok Bae, Alexander A Theologis, Murat S Eksi, Christopher P Ames, Sigurd H Berven, Shane Burch, Bobby K Tay, Vedat Deviren
STUDY DESIGN: Retrospective review of prospectively collected data OBJECTIVE.: The aim of this study was to examine which radiographic parameters and surgical strategies are most closely associated with proximal junctional kyphosis (PJK) after adult spinal deformity (ASD) surgery, the need for revision surgery for PJK, and whether these differ based on the upper instrumented vertebra (UIV). SUMMARY OF BACKGROUND DATA: Multiple parameters are considered when planning correction of ASD...
April 24, 2017: Spine
https://www.readbyqxmd.com/read/28441306/orientation-of-the-upper-most-instrumented-segment-influences-proximal-junctional-disease-following-adult-spinal-deformity-surgery
#16
Renaud Lafage, Breton G Line, Sachin Gupta, Barthelemy Liabaud, Frank Schwab, Justin S Smith, Jeffrey L Gum, Christopher P Ames, Richard Hostin, Gregory M Mundis, Han Jo Kim, Shay Bess, Eric Klineberg, Virginie Lafage
STUDY DESIGN: Retrospective review of a prospective database. OBJECTIVE: To define the role of sagittal orientation of the construct at the upper instrumented levels in the development of proximal junctional kyphosis (PJK) in adult spinal deformity (ASD) patients. SUMMARY OF BACKGROUND DATA: PJK following ASD surgery remains challenging. The final alignment of the upper instrumented vertebral segments has been proposed as a risk factor for PJK, but has not been fully investigated...
April 24, 2017: Spine
https://www.readbyqxmd.com/read/28440095/what-does-the-literature-say-about-using-robots-on-children-with-disabilities
#17
Antonio Miguel Cruz, Adriana María Ríos Rincón, William Ricardo Rodríguez Dueñas, Daniel Alejandro Quiroga Torres, Andrés Felipe Bohórquez-Heredia
PURPOSE: The purpose of this study is to examine the extent and type of robots used for the rehabilitation and education of children and young people with CP and ASD and the associated outcomes. METHODS: The scholarly literature was systematically searched and analyzed. Articles were included if they reported the results of robots used or intended to be used for the rehabilitation and education of children and young people with CP and ASD during play and educative and social interaction activities...
April 25, 2017: Disability and Rehabilitation. Assistive Technology
https://www.readbyqxmd.com/read/28439973/intracardiac-versus-transesophageal-echocardiography-to-guide-transcatheter-closure-of-interatrial-communications-nationwide-trend-and-comparative-analysis
#18
Fahad Alqahtani, Ashwin Bhirud, Sami Aljohani, James Mills, Akram Kawsara, Ashok Runkana, Mohamad Alkhouli
OBJECTIVES: This study aimed to assess current temporal trends in utilization of ICE versus TEE guided closure of interatrial communications, and to compare periprocedural complications and resource utilization between the two imaging modalities. BACKGROUND: While transesophageal echocardiography (TEE) has historically been used to guide percutaneous structural heart interventions, intracardiac echocardiography (ICE) is being increasingly utilized to guide many of these procedures such as closure of interatrial communications...
April 25, 2017: Journal of Interventional Cardiology
https://www.readbyqxmd.com/read/28439889/prevalence-and-characteristics-of-autism-spectrum-disorders-in-children-with-cerebral-palsy
#19
Malika Delobel-Ayoub, Dana Klapouszczak, Marit Maria Elisabeth van Bakel, Karen Horridge, Solveig Sigurdardottir, Kate Himmelmann, Catherine Arnaud
AIM: To evaluate the prevalence of co-occurring autism spectrum disorders (ASDs) among children with cerebral palsy (CP), and to describe their characteristics. METHOD: The data of 1225 CP cases from four population-based registers (Iceland, Sweden, and two in France) and one population-based surveillance programme (North East England, UK) participating in the Surveillance of Cerebral Palsy in Europe Network (SCPE) were analysed. The ASD diagnoses were systematically recorded using category F84 of the International Classification of Diseases, 10th Revision...
April 25, 2017: Developmental Medicine and Child Neurology
https://www.readbyqxmd.com/read/28439605/effectiveness-of-a-preparatory-aid-in-facilitating-oral-assessment-in-a-group-of-saudi-children-with-autism-spectrum-disorders-in-central-saudi-arabia
#20
Ebtissam Z Murshid
To evaluate the effectiveness of a specially-designed dental book (preparatory aid) on the behavior of a group of Autism Spectrum Disorder (ASD) Saudi children during their first dental visit to the College of Dentistry, King Saud University, Riyadh, Saudi Arabia. Methods: A cross-sectional double-blinded pre-and post clinical study consisting of 2 parts; a survey targeting the parents, and a clinical oral examination of their ASD children was conducted between January and June of 2016.  Results: A total of 40 children (75% males and 25% females) with an average age of 6...
May 2017: Saudi Medical Journal
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