I am not familiar with gluten ataxia. You should ask the professional(s) who made the diagnosis if cognitive difficulties might be associated with this disorder.

Your friend is lucky to have people who care about him. How did he get this far in life? How have you been able to accept his level of function or lack of function?

Your daughter certainly sounds as if she has a learning disability. Only formal testing will clarify if this is correct and, if so, what to do.

If your child is in the third grade and continues to have problems with reading, despite what the school is doing, I would be worried. First, clarify what the school is really doing.

IQ tests measure basic intellectual abilities. However, parts of these tests also measure skills that are expected to be present at specific ages.

Organization and Executive Function difficulties can be caused by a Learning Disability, by ADHD, or by both. It is important to clarify which is the problem.

Your description suggests that in addition to his learning disability (current school term for dyslexia) he might have a receptive/expressive language disability.

Your daughter has a language-based learning disability. This means that she has difficulty using phonics when she reads and writes.

Based on the descriptions you provide, your student might have what is called a Pervasive Developmental Disorder.

You are struggling and I am glad you are trying to get help.