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Autism related to

Cecilia Llambias, Joyce Magill-Evans, Veronica Smith, Sharon Warren
Engagement in meaningful activities is essential to development and is often reduced in children with autism spectrum disorder (ASD) who have limited engagement in activities or relationships. A multiple-baseline design was used with 7 children with ASD ages 4-8 yr to assess the effect of including a horse in occupational therapy intervention on task engagement. The children showed improvements in engagement. Including horses in occupational therapy sessions may be a valuable addition to conventional treatments to increase task engagement of children with ASD...
November 2016: American Journal of Occupational Therapy: Official Publication of the American Occupational Therapy Association
Marijn Bart Martens, Monica Frega, Jessica Classen, Lisa Epping, Elske Bijvank, Marco Benevento, Hans van Bokhoven, Paul Tiesinga, Dirk Schubert, Nael Nadif Kasri
Heterozygous mutations or deletions in the human Euchromatin histone methyltransferase 1 (EHMT1) gene cause Kleefstra syndrome, a neurodevelopmental disorder that is characterized by autistic-like features and severe intellectual disability (ID). Neurodevelopmental disorders including ID and autism may be related to deficits in activity-dependent wiring of brain circuits during development. Although Kleefstra syndrome has been associated with dendritic and synaptic defects in mice and Drosophila, little is known about the role of EHMT1 in the development of cortical neuronal networks...
October 21, 2016: Scientific Reports
Dominique Endres, Rick Dersch, Oliver Stich, Armin Buchwald, Evgeniy Perlov, Bernd Feige, Simon Maier, Andreas Riedel, Ludger Tebartz van Elst
INTRODUCTION: Vitamin D has many immunomodulatory, anti-inflammatory, and neuroprotective functions, and previous studies have demonstrated an association between vitamin D deficiency and neuropsychiatric disease. The aim of our study was to analyze the prevalence of vitamin D deficiency in a 1-year cohort of adult inpatients with schizophreniform and autism spectrum syndromes in a naturalistic inpatient setting in Germany. PARTICIPANTS AND METHODS: Our study was comprised of 60 adult schizophreniform and 23 adult high-functioning autism spectrum patients who were hospitalized between January and December of 2015...
2016: Frontiers in Psychiatry
E Kinney-Lang, B Auyeung, J Escudero
Rehabilitation applications using brain-computer interfaces (BCI) have recently shown encouraging results for motor recovery. Effective BCI neurorehabilitation has been shown to exploit neuroplastic properties of the brain through mental imagery tasks. However, these applications and results are currently restricted to adults. A systematic search reveals there is essentially no literature describing motor rehabilitative BCI applications that use electroencephalograms (EEG) in children, despite advances in such applications with adults...
October 20, 2016: Journal of Neural Engineering
Stephanie M Morris, Maria T Acosta, Shruti Garg, Jonathan Green, Susan Huson, Eric Legius, Kathryn N North, Jonathan M Payne, Ellen Plasschaert, Thomas W Frazier, Lauren A Weiss, Yi Zhang, David H Gutmann, John N Constantino
Importance: Recent reports have demonstrated a higher incidence of autism spectrum disorder (ASD) and substantially elevated autistic trait burden in individuals with neurofibromatosis type 1 (NF1). However, important discrepancies regarding the distribution of autistic traits, sex predominance, and association between ASD symptoms and attentional problems have emerged, and critical features of the ASD phenotype within NF1 have never been adequately explored. Establishing NF1 as a monogenic cause for ASD has important implications for affected patients and for future research focused on establishing convergent pathogenic mechanisms relevant to the potential treatment targets for ASD...
October 19, 2016: JAMA Psychiatry
T Rene Jamison, Jessica Oeth Schuttler
A majority of social skills research in autism spectrum disorder (ASD) and interventions target school age males and no published studies target adolescent females with ASD or related disabilities. Females with ASD are at risk for internalizing symptoms, and experience greater challenges in socialization and communication as social demands become increasingly complex in adolescence. This paper provides a thorough description of a social skills and self-care program designed to address the specific needs of adolescent females with ASD...
October 18, 2016: Journal of Autism and Developmental Disorders
Roald A Øien, Logan Hart, Synnve Schjølberg, Carla A Wall, Elizabeth S Kim, Anders Nordahl-Hansen, Martin R Eisemann, Katarzyna Chawarska, Fred R Volkmar, Frederick Shic
Sex differences in typical development can provide context for understanding ASD. Baron-Cohen (Trends Cogn Sci 6(6):248-254, 2002) suggested ASD could be considered an extreme expression of normal male, compared to female, phenotypic profiles. In this paper, sex-specific M-CHAT scores from N = 53,728 18-month-old toddlers, including n = 185 (32 females) with ASD, were examined. Results suggest a nuanced view of the "extreme male brain theory of autism". At an item level, almost every male versus female disadvantage in the broader population was consistent with M-CHAT vulnerabilities in ASD...
October 18, 2016: Journal of Autism and Developmental Disorders
Indhu-Shree Rajan-Babu, Samuel S Chong
Fragile X syndrome (FXS) is the most common monogenic cause of intellectual disability and autism. Molecular diagnostic testing of FXS and related disorders (fragile X-associated primary ovarian insufficiency (FXPOI) and fragile X-associated tremor/ataxia syndrome (FXTAS)) relies on a combination of polymerase chain reaction (PCR) and Southern blot (SB) for the fragile X mental retardation 1 (FMR1) CGG-repeat expansion and methylation analyses. Recent advancements in PCR-based technologies have enabled the characterization of the complete spectrum of CGG-repeat mutation, with or without methylation assessment, and, as a result, have reduced our reliance on the labor- and time-intensive SB, which is the gold standard FXS diagnostic test...
October 14, 2016: Genes
David B Nicholas, Sandra Hodgetts, Lonnie Zwaigenbaum, Leann E Smith, Paul Shattuck, Jeremy R Parr, Olivia Conlon, Tamara Germani, Wendy Mitchell, Lori Sacrey, Margot E Stothers
Research related to supports for adults with autism spectrum disorder (ASD) is under-developed. As an example, system and service development to support successful transition to adulthood and meaningful vocation for adults has received relatively little research scrutiny until recently, with practitioners and program developers lacking evidence-informed approaches guiding service delivery. A Special Interest Group (SIG) was convened at the International Meeting for Autism Research in May 2014 and May 2015, with a focus on transitional and vocational issues in ASD...
October 17, 2016: Autism Research: Official Journal of the International Society for Autism Research
Anat Levin, Anat Scher
INTRODUCTION: Disrupted sleep is common among children with autism spectrum disorder (ASD). AIMS: Our goal was to (1) examine the contribution of sleep problems to parenting stress in children with ASD as compared to typically developing (TD) and (2) to address maternal sleep-related cognitions and behaviors in both groups. METHODS: Mothers of 34 ASD (mean age = 39.29 months, SD = 5.22) and 31 TD children (mean age = 36.23 months, SD = 5.75) completed questionnaires measuring maternal stress, sleep-related cognitions and settling to sleep interactions, and the child's sleep problems; mothers in the ASD group completed a symptom severity questionnaire...
October 17, 2016: CNS Neuroscience & Therapeutics
Laurent Caplette, Bruno Wicker, Frédéric Gosselin
In neurotypical observers, it is widely believed that the visual system samples the world in a coarse-to-fine fashion. Past studies on Autism Spectrum Disorder (ASD) have identified atypical responses to fine visual information but did not investigate the time course of the sampling of information at different levels of granularity (i.e. Spatial Frequencies, SF). Here, we examined this question during an object recognition task in ASD and neurotypical observers using a novel experimental paradigm. Our results confirm and characterize with unprecedented precision a coarse-to-fine sampling of SF information in neurotypical observers...
October 18, 2016: Scientific Reports
Cath Rogers, Laurence Lepherd, Rahul Ganguly, Sebastian Jacob-Rogers
PROBLEM: Autistic Spectrum Disorder (ASD) is an increasingly commonly diagnosed disability. People with ASD commonly report challenges in social interaction and a heightened sensory perception. These challenges may be particularly difficult for women during pregnancy, birthing and beyond. BACKGROUND: Very little is known about the experiences and needs of birthing women who have ASD. There is a large body of literature about women who have autistic children, but almost nothing about women who may have this disability themselves...
October 14, 2016: Women and Birth: Journal of the Australian College of Midwives
Katherine K M Stavropoulos, Michaela Viktorinova, Adam Naples, Jennifer Foss-Feig, James C McPartland
BACKGROUND: Difficulty with emotion perception is a core feature of autism spectrum disorder (ASD) that is also associated with the broader autism phenotype. OBJECTIVES: The current study explored the neural underpinnings of conscious and non-conscious perceptions of affect in typically developing individuals with varying levels of autistic-like traits, as measured by the Autism Quotient (AQ). We investigated the relationship between autistic traits and face processing efficiency using event-related potentials (ERPs)...
October 18, 2016: Social Neuroscience
Robert G Salomon
Our research on the roles of lipid oxidation in human disease is guided by chemical intuition. For example, we postulated that 2-(ω-carboxyethyl)pyrrole (CEP) derivatives of primary amines would be produced through covalent adduction of a γ-hydroxyalkenal generated, in turn, through oxidative fragmentation of docosahexaenoates. Our studies confirmed the natural occurrence of this chemistry, and the biological activities of these natural products and their extensive involvements in human physiology (wound healing) and pathology (age-related macular degeneration, autism, atherosclerosis, sickle cell disease and tumor growth) continue to emerge...
October 17, 2016: Chemical Research in Toxicology
John G Conboy
The Rbfox genes encode an ancient family of sequence-specific RNA binding proteins (RBPs) that are critical developmental regulators in multiple tissues including skeletal muscle, cardiac muscle, and brain. The hallmark of Rbfox proteins is a single high-affinity RRM domain, highly conserved from insects to humans, that binds preferentially to UGCAUG motifs at diverse regulatory sites in pre-mRNA introns, mRNA 3'UTRs, and pre-miRNAs hairpin structures. Versatile regulatory circuits operate on Rbfox pre-mRNA and mRNA to ensure proper expression of Rbfox1 protein isoforms, which then act on the broader transcriptome to regulate alternative splicing networks, mRNA stability and translation, and microRNA processing...
October 17, 2016: Wiley Interdisciplinary Reviews. RNA
Andrew C Lynn, Aarthi Padmanabhan, Daniel Simmonds, William Foran, Michael N Hallquist, Beatriz Luna, Kirsten O'Hearn
Face recognition abilities improve between adolescence and adulthood over typical development (TD), but plateau in autism, leading to increasing face recognition deficits in autism later in life. Developmental differences between autism and TD may reflect changes between neural systems involved in the development of face encoding and recognition. Here, we focused on whole-brain connectivity with the fusiform face area (FFA), a well-established face-preferential brain region. Older children, adolescents, and adults with and without autism completed the Cambridge Face Memory Test, and a matched car memory test, during fMRI scanning...
October 16, 2016: Developmental Science
Cyrus Vahdatpour, Adam H Dyer, Daniela Tropea
Insulin-Like Growth Factor 1 (IGF-1) is a neurotrophic polypeptide with crucial roles to play in Central Nervous System (CNS) growth, development and maturation. Following interrogation of the neurobiology underlying several neurodevelopmental disorders and Autism Spectrum Disorders (ASD), both recombinant IGF-1 (mecasermin) and related derivatives, such as (1-3)IGF-1, have emerged as potential therapeutic approaches. Clinical pilot studies and early reports have supported the safety/preliminary efficacy of IGF-1 and related compounds in the treatment of Rett Syndrome, with evidence mounting for its use in Phelan McDermid Syndrome and Fragile X Syndrome...
2016: Frontiers in Neuroscience
Nicole David, Till R Schneider, Ina Peiker, Reem Al-Jawahiri, Andreas K Engel, Elizabeth Milne
Autism spectrum disorders (ASD) have been associated with altered neural oscillations, especially fast oscillatory activity in the gamma frequency range, suggesting fundamentally disturbed temporal coordination of activity during information processing. A detailed review of available cortical oscillation studies in ASD does not convey a clear-cut picture with respect to dysfunctional oscillation patterns in the gamma or other frequency ranges. Recent evidence suggests that instead of a general failure to activate or synchronize the cortex, there is greater intra-participant variability across behavioral, fMRI and EEG responses in ASD...
October 13, 2016: Neuroscience and Biobehavioral Reviews
Roshan Chudal, Andre Sourander, Heljä-Marja Surcel, Dan Sucksdorff, Susanna Hinkka-Yli-Salomäki, Alan S Brown
OBJECTIVES: C-reactive protein (CRP) is a well-established general marker of inflammation from both infectious and noninfectious exposures. Previous studies have shown that maternal CRP is associated with an increased risk of autism and schizophrenia. The aim of this study was to examine the association between early to mid-gestational serum CRP levels, prospectively assayed in maternal sera, and the risk of bipolar disorder (BPD). METHODS: This study is derived from the Finnish Prenatal Study of Bipolar Disorder (FIPS-B), based on a nested case-control study design...
October 11, 2016: Journal of Affective Disorders
Jin Li, Han-Xia Li, Xiao-Jing Shou, Xin-Jie Xu, Tian-Jia Song, Song-Ping Han, Rong Zhang, Ji-Sheng Han
Oxytocin (OXT) and vasopressin (AVP) are considered to be related to mammalian social behavior and the regulation of stress responses. The present study investigated the effects of chronic homotypic restraint stress (CHRS) on social behaviors and anxiety, as well as its repercussions on OXT- and AVP-positive neurons in the paraventricular nucleus (PVN) and supraoptic nucleus (SON) nuclei in rat. Male Sprague-Dawley rats receiving CHRS were exposed to repeated restraint stress of 30min per day for 10days. Changes in social approach behaviors were evaluated with the three-chambered social approach task...
September 30, 2016: Neuropeptides
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