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Intellectual Disability and BPD Testing

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Intellectual Disability and BPD Testing

Postby RomaRose » Sat Nov 28, 2020 5:20 pm


In the case of those with intellectual disability and borderline intellectual function, what is the best way to test for a personality disorder? Should it be done by a neuropsychologist? I would think this population would also need a neuropsychological exam and a doctor who looks into their history.
I'm sorry if this is the wrong place to post this. I posted here because I know that some people with ID either have BPD or are misdiagnosed with it.

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Re: Intellectual Disability and BPD Testing

Postby Snaga » Sat Nov 28, 2020 6:48 pm

Hello and welcome!

I'm not sure if you'll get a good answer for this, given that we're a peer support forum.

Just talking out of my ass, I find myself wondering if a person with an ID, could even be said to have a PD, if the traits are a result of the intellectual disability? I guess it would depend on whether their intellectual capacity falls within the 'normal' range despite having a mild ID?

But it seems reasonable that a neurologist might be more qualified with something that could have some biological, developmental basis.

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Re: Intellectual Disability and BPD Testing

Postby Casper » Tue Dec 22, 2020 3:22 am

I'm not a Psych., but I'll chime in with my 2¢.

The official answer is, it depends. Going by the official ID diagnosis (as per DSM-V), it looks like the IQ test is the primary standardized test used in criterion A; criteria B & C don't have required tests. Any C.Psych can administer that one, though it's more likely that neuropsychs will do it.

Where a neuropsych really shines is when you want to find out what part of your brain is causing the problem. They have a whole other battery of tests at their disposal that can help you to isolate a problem. This may help you be able to predict and plan more effectively for future events; it has for me.


As per the DSM-V, yes, you can be diagnosed with intellectual disability and other things as well. The APA even mentions a few common comorbidities, such as ADHD, Bipolar and MDD.
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