Autism and Schizophrenia, is there a connection?

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Mar 7 2015 - 6:25pm
Medical Research

Are Schizophrenia and Autism related? That is the question left on the minds of some parents and scientists. Now it’s the question left on my mind.

Several months ago my 11 year old son started having hallucinations. His hallucinations present as visual, auditory, and tactile. It’s become the ultimate trifecta of confusion and misery for him. His doctors are working on figuring out what is going on and how to handle it; however much like with everything else concerning Autism- the answers just aren't coming fast enough for me. The only solutions I have now is to do the research myself. What I found has left me a little bit shocked. You see, when my son was diagnosed with autism I never considered the comorbidities that can come along with an Autism diagnosis; likewise, once I did consider the comorbid disorders there was one that never crossed my mind: Schizophrenia. Nothing was ever said to me about Pervasive Developmental Disorders (PDD) and Child Onset Schizophrenia (COS) being related in anyway. Nope, I had to learn about that via google scholar.

The Studies concerning Autism and Schizophrenia
Child Onset Schizophrenia (the onset of psychosis before age 13) and Autism have been regarded as both related and unrelated over the years. To put it as the doctors at the Seattle Children's Hospital put it: "These disorders have at various times been regarded alternatively as closely related and as non-overlapping and incompatible."

So, which is right? Are they related or unrelated? After doing my research it seems to me that the two disorders are more alike than different in some ways and in others they couldn't be any more unalike. Let's find out what you think.

ALSO SEE: An Autism Breakfast That Changed Mom’s Perspective: How an Unexpected Encounter Helped One Parent To Cope With Autism Stress.

According to Judith Rapoport, M.D., Alex Chavez, B.S., Deanna Greenstein, Ph.D., Anjene Addington, Ph.D., Nitin Gogtay, M.D. [all of the National Institute of Mental Health] "Epidemiological and family studies find association between the disorders [Schizophrenia and Autism]." Epidemiological studies are actually often considered to be the cornerstone of public health. To have a study such as this come back positive for a correlation is mind-boggling to me. Their finding also show that 30-50% of PDD cases also have a comorbid diagnosis of schizophrenia by maturity. The fact that this isn't talked about more I find to be ridiculous! The links that have been found between the two speak volumes.

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There’s a mouse study published that shows some of the links between PDD and Schizophrenia. During this study scientist essentially took a pregnant lab mouse and gave it a viral infection (the flu) using microarray technology. After birth they recorded the subsequent changes in the pinkies as pertaining to Autism and to Schizophrenia. According to this study there are significant upregulation of 21 genes and downregulation of 18 genes in the affected neonatal brain cell structure in both disorders. To break it down even further, these results also show for the first time that “exposing a fetus on day 9 of pregnancy to the flu leads to alterations in a subset of genes in brains of exposed offspring, potentially leading to permanent changes in brain structure and function.” Particularly in these areas:

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Comments

Great article Brooke! Recovery is definitely possible. Personally, I've been reading mental health recovery writings of Will Jiang, which I like in particular. His autobiography A Schizophrenic Will: A Story of Madness, A Story of Hope is inspirational, as is his book Guide to Natural Mental Health: Anxiety, Bipolar, Depression, Schizophrenia, and Digital Addiction: Nutrition and Complementary Therapies. His author page is located at mentalhealthbooks.net. And, it turns out, he is quite an accomplished designer. His web design company is located online at newyorkwebdesign.nyc . It is hard to believe this man suffers from schizophrenia.
One important common factor that was missed in the article is lack of Theory of Mind in both people suffering from schizophrenia and autism. This leads to difficulties understanding other people's intentions.. which can lead to anxiety and paranoia. Cultivation of Theory of Mind can be a way to help alleviate the symptoms of both schizophrenia and autism.
This is a very interesting situation. Autism (ASD) is at the Low end of the Dopamine Scale while Schizophrenia (SZ) is at the high end of the Dopamine Scale. I wonder what is meant by '" in some cases, Hallucinations". Hallucinations are common in SZ but in low dopamine disorders 'not so much' unless it is caused by medication and not the disorder itself. A fMRI scan for dopamine concentrations in the Amygdala and prefrontal cortex should settle the diagnosis issue. Higher than normal dopamine concentrations = SZ. Lower than normal dopamine = ASD
My daughter was diagnosed with Schizophrenia at 16 and (currently her diagnosis is schizoaffective disorder) and now at 22 years old, she has been diagnosed with ASD. She was never in special ed. & very bright all thru school but did need more guidance with directions upon 7th grade but went to an alternative school and was Valedictorian in 2012. She has always been goal oriented and self-motivated and she is very devastated now knowing how disabling both of these conditions are. I'm not sure how to give her hope and how to find what can make her life feel purposeful.
I've become friends with a 22 year old. He had been diagnosed being psychotic and schizophrenic. As sad as this sounds he has kept most of his memories to himself his entire life, until now. He has shared with me events of his life that he doesn't know if they are real or hallucinations. These events are mind blowing. Our friendship is 5 months old. I've observed when he gets excited about something, a great play while watching football, or winning a game of cards he reacts with a loud laugh, a huge smile and by raising his hands and shaking them above his head wildly. It's these reactions that lead me to think he is autistic not phychotic. Before I share my unscientific thoughts with him I need to know how to confirm it. Who can I contact to have him properly diagnosed? I live in Minnesota. Thank you very much in advance for any help you may provide me. Dave
Hi Dave, My brother-in-law was diagnosed with ASD and schizophrenia at 22. He, when happy, behaves much the same way, very child-like. Now at 31, his social and mental maturity is like that of a teenager's as he was very isolated during his youth and should have been diagnosed as a child, from what I have seen in home movies and heard from family friends. It's very possible that he has both ASD and a co-morbidity with psychotic features, such as psychizophrenia, but with the right care the psychotic features can be managed and he can learn social skills. He should see someone at the local mental health outreach centre. Unfortunately, I am not in Minnesota, so I cannot make a recommendation, but call the hospital and speak to someone at Mental Health or call the Crisis Line Information for a referral. Write down all your observations and be completely honest about everything he has said. It doesn't help him to hide things. It's his health. I work with youth in mental health :) Cheers and good luck. Candice
Incredible article! My son has severe autism but started exhibiting strange behaviors, even for him. After 1yr of frustration we finally got a 2nd diagnosis of Schizophrenia.

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