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William H Ahearn, Ph.D., BCBA  
Male

Specialties: Behavior Analysis, Learning Deficits, Autism

My Posts
First and foremost, I would suggest that your son be screened by a specialist in developmental disabilities. Not walking by 2 and having limited communication skills is very concerning. It seems you are in or near the Washington area. If this is the case there is a very well known autism center at the University of Washington (website: http://depts.washing...
Motilium, I believe, is domperidone, a medication used to enhance GI tract motility. This forum is monitored by behavioral practitioners who are here to offer advice on intervention (educational and clinical) and diagnosis. My advice to you on this question would be to seek the input of a medical researcher. On my search of the literature, I could find no ...
O2 saturation is very important and the levels you report are very low but they can vary depending on the situation in which they are measured. This forum specializes in autism information from a clinical and educational perspective but not a medical one. This question would be best directed towards a physician. I suggest you discuss your concerns with you...
Once a child toilet trains, independence in using the bathroom usually follows. It is possible that your son "passes gas" and some fecal matter accompanies this. The part of this that likely is of most concern to you is his lack of recognizing when this happens. It is possible that if you could work out a schedule for him to use the restroom for ...
MRI pet scans also are not used for diagnosis and are more likely to not reveal differences than to reveal differences in persons w/ASDs. That is why the foundation of diagnostic evaluation for autism involves observing the child and interviewing caregivers.
You certainly have many questions but the main point seems to be that you question the diagnosis of autism for your son. You mention that his school has diagnosed him as having an autism spectrum disorder (ASD). Some schools have excellent diagnosticians who are experienced and well qualified to make such diagnoses but many do not. You also mention that th...
It is well established that autism spectrum disorders have a genetic origin and that this genetic inheritance results in abnormal brain growth regulation. There is much less information about potential immune system involvement in autism. There have been many reports of persons with autism having verified immune system "problems." This has led ma...
This sounds like a very serious problem and I certainly send my best wishes for a speedy resolution to it. That said, renal specialists are typically not overly familiar with autism and autism specialists are not typically familiar with kidney problems, though an MD that specializes in developmental disorders should bring together knowledge in both areas. T...
I'm sorry about having to refer you to another forum for a discussion of your son's condition but this forum is monitored by behavioral specialists and it would be improper for us to comment on a serious medical issue that we are not qualified to discuss. That said, you mention certain conditions that have been associated with ASD and AS such as mo...
It is never too late to toilet train and there have been many approaches that have been shown to lead to success. I've worked with developmentally delayed persons over 20 years old who have learned to use the toilet independently. Looking for a Board Certified Behavior Analyst through the BACB certificant registry (www.bacb.com) may help you identify a...