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News new families can use, thank you to the BSRC

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This week an important study was released that provides information that parents can use – particularly parents with a child with autism and another on the way or who is an infant.  This of course comes from the Baby Siblings Research Consortium and makes particular observations about families with 2 or more affected children vs 1 affected child.  They have different rates of autism outcomes and trajectories of behaviors that parents and doctors should be aware of.  In addition a new meta analysis of vitamin supplementation shows that while moderate doses of vitamins may not be harmful, they may not also be helpful.  In other words, talk to your doctor about a nutritional plan and assessment, and save your money for things that are known to work.

https://www.ncbi.nlm.nih.gov/pubmed/31589284

https://www.ncbi.nlm.nih.gov/pubmed/31586029

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Yeah, another study about autistic poop

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This week’s podcast includes a summary of the new study, this time in an animal model, looking at microbiome transplantation.  Because this was more of an experimental model, the researchers could be more rigorous in their design and look at things like behavior, brain activity, and specific biological pathways.  While a mouse does not have autism, transplantation of the autism microbiome resulted in autistic-like behaviors.   Second, a hopeful message of the value of participating in research on outcomes – those infants that were tracked prospectively showed improved outcomes later on, suggesting that all of the extra attention they get leads to a reduction in symptoms and an improvement in adaptive behavior.  Even if you do not have a family history of autism – participate in research.  It’s good for your child, and it’s good for other people’s children.

 

https://www.cell.com/cell/fulltext/S0092-8674(19)30502-1 

https://www.ncbi.nlm.nih.gov/pubmed/31032937

 

 

 

 

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Nobody puts babies in a corner

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Nobody can dispute that research to better understand autistic adolescents and adults is lacking.  However, scientists continue to make important scientific discoveries in infants and toddlers with autism.  These infants and toddlers eventually become adolescents and adults, so identifying critical periods of brain development that influences behavior, what to say to parents and when, and how to  engage the entire community to better serve infants and toddlers is still needed.  This week is an update on the activities of the Baby Siblings Research Consortium (BSRC), including a paper that ties in activity of different brain regions at 1 year olds, to stereotyped behaviors and insistence on sameness in 2 year olds.  The research of the BSRC is directly applicable to families affected by autism at all ages.

 

https://www.ncbi.nlm.nih.gov/pubmed/30446435

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Super siblings!

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This podcast is dedicated to siblings of people with autism who are typically developing.  They play an important and beneficial role in development of socialization of those with ASD.  But sadly, they also have issues of their own, such as a high rate of issues like anxiety and depression.  Those siblings may be genetic carries of a specific mutation and not have an autism diagnosis, but have increased risk for schizophrenia and cognitive disability.  Finally, just because they are considered “typically developing” doesn’t mean they don’t have challenges with adaptive behavior.  However, they have a very special relationship with their brothers and sisters, and the world needs these strong advocates for the community.

 

https://www.ncbi.nlm.nih.gov/pubmed/30280363

https://www.ncbi.nlm.nih.gov/pubmed/30248583

https://onlinelibrary.wiley.com/doi/full/10.1111/jcpp.12985

Click to access s41436-018-0266-3.pdf

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A sampling of science from the International Meeting of Autism Research

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In case you didn’t have time to jump on a plane and fly to the Netherlands last week for the International Society of Autism Research meeting, this week’s podcast is a short summary of just a few of the presentations.  There was more of an emphasis on what has been called “real life” research questions like employment, quality of life, and relationships.  As a result, some of the more basic science questions around autism are now being presented at other meetings.  This is a shame.   This podcast follows some of those basic science questions to the now translational opportunities that were presented at the meeting.  It also highlights some newer findings that will provide help to people at all ages who need supports and services.

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From Early Detection to Early Intervention

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This month, two new important research findings were published from scientists that study the very earliest signs and symptoms of autism.  First, Dr. Suzanne Macari at Yale showed that a type of temperament in toddlers was associated with autism at about 3 years of age.  This may be used in the future to develop specialized interventions very very early on.  Meanwhile, Dr. Jessica Brian’s group in Canada used the very early signs of autism – social orienting – to develop a new intervention called the Social ABC’s which they piloted last year.  Last week, a randomized clinical trial of this intervention showed improvements in social smiling, reactions to parents, and social orienting, suggesting it is a feasible and valid intervention option.  There is now a list of these interventions that have been rigorously tested.  This demonstrates that the early detection of features of autism, like temperament, can be turned into interventions to improve the outcome of toddlers with ASD.

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A new clue to autism found in fluid in the brain

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Last week, another Baby Siblings Research Consortium Project (BSRC) published an intriguing finding which also has the bonus of being a replication.  Mark Shen, PhD, from the University of North Carolina at Chapel Hill found higher levels of extra axial fluid in the brains of infants who went on to later be diagnosed with autism, and even higher levels in those with severe autism symptoms.  Extra-axial fluid is also called cerebrospinal fluid, the fluid that holds the brain steady in your head.  Other functions of extra-axial fluid and what this means on how it may contribute to autism risk are described in the podcast.  He not only explains the findings, but conveys what families should know about them and how they can help with early identification of ASD.

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A scary halloween story about the media misrepresenting science

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How long do you have to study an intervention to see if it works?  Many scientists agree that it isn’t just about what happens in the short run, but if those interventions can be sustained for long periods of time.  In the case of very early interventions, it is now clear that treatment for about a year can change the trajectory of symptoms so those improvements are sustained, maintained or lead to even further improvements for 6 years after the initial intervention has stopped.  This important finding was hidden by the BBC getting the headline wrong and hiding the true value of the research at the end of the story.  This week’s podcast outlines the contribution of parent-implemented intervention and research studying autism even before symptoms emerge in improving trajectories rather than just immediate outcomes.  Happy Halloween!

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A focus on the siblings of people with ASD

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Two studies recently add to an ever growing literature around undiagnosed siblings of individuals with autism.  While in autism features there is evidence of the “broader autism phenotype” in female siblings, there is no evidence of elevated sensory symptoms in those with a brother or system with autism.  The more we understand about the psychological and psychiatric features of siblings with autism, the more they can be supported to deal not only with their siblings challenges, but with theirs as well.

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What came first? Impaired social behaviors or something else that changes social behavior?

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This week is a more philosophical, ideological discussion of the origins of social behaviors inspired by review articles written by Mayada Elsabbagh at McGill University and Boaz Barak and Guoping Feng at MIT. The focus of these papers are: when social behaviors emerge, and what brain regions are responsible for their existence. While Dr. Elsabbagh thinks of the question in terms of when behaviors and symptoms emerge in infancy, Drs. Barak and Feng consider the issue by comparing autism to Williams Syndrome. Williams Syndrome is very similar to autism except people with WS are hyper social and empathetic and sometimes gregarious. One tiny change on one area of one gene makes all the difference. This podcast doesn’t settle the question, but hopefully shows you listeners why there is a debate and how it is important for people with autism.