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https://www.readbyqxmd.com/read/28429189/using-time-perception-to-explore-implicit-sensitivity-to-emotional-stimuli-in-autism-spectrum-disorder
#1
Catherine R G Jones, Anna Lambrechts, Sebastian B Gaigg
Establishing whether implicit responses to emotional cues are intact in autism spectrum disorder (ASD) is fundamental to ascertaining why their emotional understanding is compromised. We used a temporal bisection task to assess for responsiveness to face and wildlife images that varied in emotional salience. There were no significant differences between an adult ASD and comparison group, with both showing implicit overestimation of emotional stimuli. Further, there was no correlation between overestimation of emotional stimuli and autistic traits in undergraduate students...
April 20, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28427035/associations-between-executive-functions-and-mental-health-outcomes-for-adults-with-autism-spectrum-disorder
#2
David Zimmerman, Tamara Ownsworth, Analise O'Donovan, Jacqueline Roberts, Matthew J Gullo
Associations between executive functions (EF) and mental-health in adults with autism spectrum disorder (ASD) were examined. Forty-two adults with ASD completed measures of EF, mood and self-concept. Better concept formation and social inference skills were significantly associated with fewer anxiety symptoms. Conversely, participants with better non-verbal reasoning, cognitive flexibility and social cognition reported more negative self-concept and lower self-esteem. Overall, individuals with impaired EF are more prone to anxiety, whereas those with stronger EF are more likely to experience negative self-concept...
April 12, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28425298/understanding-self-reported-difficulties-in-decision-making-by-people-with-autism-spectrum-disorders
#3
Lydia Vella, Howard A Ring, Mike Rf Aitken, Peter C Watson, Alexander Presland, Isabel Ch Clare
Autobiographical accounts and a limited research literature suggest that adults with autism spectrum disorders can experience difficulties with decision-making. We examined whether some of the difficulties they describe correspond to quantifiable differences in decision-making when compared to adults in the general population. The participants (38 intellectually able adults with autism spectrum disorders and 40 neurotypical adults) were assessed on three tasks of decision-making (Iowa Gambling Task, Cambridge Gamble Task and Information Sampling Task), which quantified, respectively, decision-making performance and relative attention to negative and positive outcomes, speed and flexibility, and information sampling...
April 1, 2017: Autism: the International Journal of Research and Practice
https://www.readbyqxmd.com/read/28425021/is-the-autism-spectrum-quotient-a-valid-measure-of-traits-associated-with-the-autism-spectrum-a-rasch-validation-in-adults-with-and-without-autism-spectrum-disorders
#4
Lars-Olov Lundqvist, Helen Lindner
The Autism-Spectrum Quotient (AQ) is among the most widely used scales assessing autistic traits in the general population. However, some aspects of the AQ are questionable. To test its scale properties, the AQ was translated into Swedish, and data were collected from 349 adults, 130 with autism spectrum disorder (ASD) and 219 without ASD, and analysed with Rasch. Several scale properties of the AQ were satisfactory but it did not meet the criterion of a unidimensional measure of autistic traits. The Rasch analysis showed that the 50-item AQ could be reduced to a 12-item subset with little loss of explanatory power, with the potential to efficiently measure the degree to which adults with and without ASD show autistic traits...
April 19, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28423919/joint-attention-difficulties-in-autistic-adults-an-interactive-eye-tracking-study
#5
Nathan Caruana, Heidi Stieglitz Ham, Jon Brock, Alexandra Woolgar, Nadine Kloth, Romina Palermo, Genevieve McArthur
Joint attention - the ability to coordinate attention with a social partner - is critical for social communication, learning and the regulation of interpersonal relationships. Infants and young children with autism demonstrate impairments in both initiating and responding to joint attention bids in naturalistic settings. However, little is known about joint attention abilities in adults with autism. Here, we tested 17 autistic adults and 17 age- and nonverbal intelligence quotient-matched controls using an interactive eye-tracking paradigm in which participants initiated and responded to joint attention bids with an on-screen avatar...
April 1, 2017: Autism: the International Journal of Research and Practice
https://www.readbyqxmd.com/read/28417950/differential-gender-effects-in-the-relationship-between-perceived-immune-functioning-and-autistic-traits
#6
Marlou Mackus, Deborah de Kruijff, Leila S Otten, Aletta D Kraneveld, Johan Garssen, Joris C Verster
Altered immune functioning has been demonstrated in individuals with autism spectrum disorder (ASD). The current study explores the relationship between perceived immune functioning and experiencing ASD traits in healthy young adults. N = 410 students from Utrecht University completed a survey on immune functioning and autistic traits. In addition to a 1-item perceived immune functioning rating, the Immune Function Questionnaire (IFQ) was completed to assess perceived immune functioning. The Dutch translation of the Autism-Spectrum Quotient (AQ) was completed to examine variation in autistic traits, including the domains "social insights and behavior", "difficulties with change", "communication", "phantasy and imagination", and "detail orientation"...
April 12, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28416631/mutation-of-neuron-specific-chromatin-remodeling-subunit-baf53b-rescue-of-plasticity-and-memory-by-manipulating-actin-remodeling
#7
Annie Vogel Ciernia, Enikö A Kramár, Dina P Matheos, Robbert Havekes, Thekla J Hemstedt, Christophe N Magnan, Keith Sakata, Ashley Tran, Soraya Azzawi, Alberto Lopez, Richard Dang, Weisheng Wang, Brian Trieu, Joyce Tong, Ruth M Barrett, Rebecca J Post, Pierre Baldi, Ted Abel, Gary Lynch, Marcelo A Wood
Recent human exome-sequencing studies have implicated polymorphic Brg1-associated factor (BAF) complexes (mammalian SWI/SNF chromatin remodeling complexes) in several intellectual disabilities and cognitive disorders, including autism. However, it remains unclear how mutations in BAF complexes result in impaired cognitive function. Post-mitotic neurons express a neuron-specific assembly, nBAF, characterized by the neuron-specific subunit BAF53b. Subdomain 2 of BAF53b is essential for the differentiation of neuronal precursor cells into neurons...
May 2017: Learning & Memory
https://www.readbyqxmd.com/read/28413601/a-few-of-my-favorite-things-circumscribed-interests-in-autism-are-not-accompanied-by-increased-attentional-salience-on-a-personalized-selective-attention-task
#8
Owen E Parsons, Andrew P Bayliss, Anna Remington
BACKGROUND: Autistic individuals commonly show circumscribed or "special" interests: areas of obsessive interest in a specific category. The present study investigated what impact these interests have on attention, an aspect of autistic cognition often reported as altered. In neurotypical individuals, interest and expertise have been shown to result in an automatic attentional priority for related items. Here, we examine whether this change in salience is also seen in autism. METHODS: Adolescents and young adults with and without autism performed a personalized selective attention task assessing the level of attentional priority afforded to images related to the participant's specific interests...
2017: Molecular Autism
https://www.readbyqxmd.com/read/28412577/describing-heterogeneity-of-unmet-needs-among-adults-with-a-developmental-disability-an-examination-of-the-2012-canadian-survey-on-disability
#9
Jennifer Zwicker, Arezou Zaresani, J C Herb Emery
BACKGROUND: As a signatory to the UN Convention on the Rights of Persons with Disabilities, Canada has committed to protect the rights and dignity of persons with developmental disabilities (DD), which means that labour markets, education, and training opportunities should be inclusive and accessible. PURPOSE: Describe the unmet employment, education and daily needs of adults with DD, with a sub analysis of persons with autism spectrum disorder (ASD) and cerebral palsy (CP) in Canada, to inform efficient and equitable policy development...
April 13, 2017: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/28410037/meeting-the-healthcare-needs-of-adults-on-the-autism-spectrum
#10
Christopher Barber
People with Asperger's syndrome/high functioning autism (AS/HFA) are just as likely to experience the full range of health conditions and needs as 'neurotypicals', people who do not have AS/HFA. However, many people with AS/HFA fall between the cracks of health service design and provision as they do not receive support from learning disabilities or mental health services. This article highlights the need for a comprehensive review of healthcare provision, led by people on the autism spectrum.
April 13, 2017: British Journal of Nursing: BJN
https://www.readbyqxmd.com/read/28407444/familial-18q12-2-deletion-supports-the-role-of-rna-binding-protein-celf4-in-autism-spectrum-disorders
#11
Rita Barone, Marco Fichera, Mariaclara De Grandi, Marta Battaglia, Valeria Lo Faro, Teresa Mattina, Renata Rizzo
Deletion of 18q12.2 is an increasingly recognized condition with a distinct neuropsychiatric phenotype. Twenty-two patients have been described with overlapping neurobehavioral disturbances including developmental delay, intellectual disability of variable degree, seizures, motor coordination disorder, behavioral/emotional disturbances, and autism spectrum disorders. The CUGBP Elav-like family member 4 (CELF4) gene at 18q12.2 encodes a RNA-binding protein that links to RNA subsets involved in pre- and postsynaptic neurotransmission including almost 30% of potential autism-related genes...
April 13, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28407202/altered-white-matter-integrity-in-adults-with-autism-spectrum-disorder-and-an-iq-100-a-diffusion-tensor-imaging-study
#12
K Nickel, L Tebartz van Elst, E Perlov, D Endres, G T Müller, A Riedel, T Fangmeier, S Maier
OBJECTIVE: White matter (WM) alterations have been reported in children and adults with autism spectrum disorder (ASD). In particular, impaired connectivity of limbic structures may be related to social deficits. Heterogeneous findings could be explained in terms of differences in sample characteristics and methodology. In this context, non-syndromic forms might differ substantially in WM structure from secondary ASD forms. METHOD: In an attempt to recruit a homogeneous study sample, we included adults with high-functioning ASD and an IQ > 100 to decrease the influence of syndromic forms being often associated with cognitive deficits...
April 13, 2017: Acta Psychiatrica Scandinavica
https://www.readbyqxmd.com/read/28402856/chd8-mutation-leads-to-autistic-like-behaviors-and-impaired-striatal-circuits
#13
Randall J Platt, Yang Zhou, Ian M Slaymaker, Ashwin S Shetty, Niels R Weisbach, Jin-Ah Kim, Jitendra Sharma, Mitul Desai, Sabina Sood, Hannah R Kempton, Gerald R Crabtree, Guoping Feng, Feng Zhang
Autism spectrum disorder (ASD) is a heterogeneous disease, but genetically defined models can provide an entry point to studying the molecular underpinnings of this disorder. We generated germline mutant mice with loss-of-function mutations in Chd8, a de novo mutation strongly associated with ASD, and demonstrate that these mice display hallmark ASD behaviors, macrocephaly, and craniofacial abnormalities similar to patient phenotypes. Chd8(+/-) mice display a broad, brain-region-specific dysregulation of major regulatory and cellular processes, most notably histone and chromatin modification, mRNA and protein processing, Wnt signaling, and cell-cycle regulation...
April 11, 2017: Cell Reports
https://www.readbyqxmd.com/read/28402177/intersectional-harassment-and-deviant-embodiment-among-autistic-adults-dis-ability-gender-and-sexuality
#14
Jessica Penwell Barnett
Harassment scholarship increasingly attends to the intersectional nature of harassment and its function within systems of domination. However, little of this work includes disability. In-depth interviews with 24 adults on the autism spectrum in the USA demonstrate the intersections of gender, sexuality and (dis)ability in the construction of deviant embodiments as targets for harassment. These intersections also shape how participants made sense of these experiences of violence. Participants' disability characteristics were often read as gender or sexual variance, with harassers relying on sexist and heterosexist constructs to frighten, demean or humiliate them for disability characteristics...
April 12, 2017: Culture, Health & Sexuality
https://www.readbyqxmd.com/read/28401739/the-social-communication-questionnaire-for-adults-with-intellectual-disability-scq-aid
#15
Olivia Derks, Manuel Heinrich, Whitney Brooks, Paula Sterkenburg, Jane McCarthy, Lisa Underwood, Tanja Sappok
Autism spectrum disorder (ASD) frequently co-occurs with intellectual disability (ID) and often remains undiagnosed until adulthood. The Social Communication Questionnaire (SCQ) is a widely used measure to screen for ASD. To improve the utility of the SCQ for adults with ID, the aim of this study was to develop an ID-specific and adult appropriate algorithm for the SCQ using a core set of valid items. These items were identified in one sample (N = 226) and further cross-validated in a second, independent sample (N = 225) from Germany, England and the U...
April 12, 2017: Autism Research: Official Journal of the International Society for Autism Research
https://www.readbyqxmd.com/read/28400742/whose-expertise-is-it-evidence-for-autistic-adults-as-critical-autism-experts
#16
Kristen Gillespie-Lynch, Steven K Kapp, Patricia J Brooks, Jonathan Pickens, Ben Schwartzman
Autistic and non-autistic adults' agreement with scientific knowledge about autism, how they define autism, and their endorsement of stigmatizing conceptions of autism has not previously been examined. Using an online survey, we assessed autism knowledge and stigma among 636 adults with varied relationships to autism, including autistic people and nuclear family members. Autistic participants exhibited more scientifically based knowledge than others. They were more likely to describe autism experientially or as a neutral difference, and more often opposed the medical model...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28398337/sex-differences-in-frontal-lobe-connectivity-in-adults-with-autism-spectrum-conditions
#17
E A Zeestraten, M C Gudbrandsen, E Daly, M T de Schotten, M Catani, F Dell'Acqua, M-C Lai, A N V Ruigrok, M V Lombardo, B Chakrabarti, S Baron-Cohen, C Ecker, D G M Murphy, M C Craig
Autism spectrum conditions (ASC) are more prevalent in males than females. The biological basis of this difference remains unclear. It has been postulated that one of the primary causes of ASC is a partial disconnection of the frontal lobe from higher-order association areas during development (that is, a frontal 'disconnection syndrome'). Therefore, in the current study we investigated whether frontal connectivity differs between males and females with ASC. We recruited 98 adults with a confirmed high-functioning ASC diagnosis (61 males: aged 18-41 years; 37 females: aged 18-37 years) and 115 neurotypical controls (61 males: aged 18-45 years; 54 females: aged 18-52 years)...
April 11, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28396700/atypical-sound-discrimination-in-children-with-asd-as-indicated-by-cortical-erps
#18
Aurélie Bidet-Caulet, Marianne Latinus, Sylvie Roux, Joëlle Malvy, Frédérique Bonnet-Brilhault, Nicole Bruneau
BACKGROUND: Individuals with autism spectrum disorder (ASD) show a relative indifference to the human voice. Accordingly, and contrarily to their typically developed peers, adults with autism do not show a preferential response to voices in the superior temporal sulcus; this lack of voice-specific response was previously linked to atypical processing of voices. In electroencephalography, a slow event-related potential (ERP) called the fronto-temporal positivity to voice (FTPV) is larger for vocal than for non-vocal sounds, resulting in a voice-sensitive response over right fronto-temporal sites...
2017: Journal of Neurodevelopmental Disorders
https://www.readbyqxmd.com/read/28393745/correlation-of-reduced-social-communicational-and-interactional-skills-with-regional-grey-matter-volumes-in-schizophrenia-patients
#19
Miho Ota, Junko Matsuo, Noriko Sato, Toshiya Teraishi, Hiroaki Hori, Kotaro Hattori, Yoko Kamio, Hiroshi Kunugi
OBJECTIVE: Recent studies have detected similarities between autism spectrum disorder and schizophrenia. We investigated structural abnormalities associated with autistic-like traits in patients with schizophrenia by voxel-based morphometry. METHODS: Patients with schizophrenia and healthy subjects were evaluated by the adult version of the social responsiveness scale (SRS-A), which is sensitive to autistic traits and symptoms even under subthreshold conditions, and magnetic resonance imaging...
April 10, 2017: Acta Neuropsychiatrica
https://www.readbyqxmd.com/read/28387577/transition-to-work-perspectives-from-the-autism-spectrum
#20
Darren Hedley, Ru Cai, Mirko Uljarevic, Mathilda Wilmot, Jennifer R Spoor, Amanda Richdale, Cheryl Dissanayake
To improve employment outcomes for adults with autism spectrum disorder, it is necessary to identify factors associated with successful transition to work from the perspectives of the individual and from those who work with or support them. This study involved focus groups with adults with autism spectrum disorder ( n = 9) participating in a 3-year employment and training programme, as well as focus groups with family members ( n = 6), support staff ( n = 7) and co-workers ( n = 6). The aim was to gain better understanding of the experience of transition to work, barriers and also the factors that promote workplace success...
March 1, 2017: Autism: the International Journal of Research and Practice
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