Well, dyspraxia is a problem with planning motor movements. Dyspraxia has nothing to do with attention, hyperactivity, or impulsivity (which are all ADHD symptoms).
People with Asperger's and people with ADHD both have problems with regulating attention and focus, and can both have problems with hyperactivity. (Not sure about impulse control--I think that might be some kind of differentiating factor between the two)......there's a lot of overlap between ADHD and Asperger's and unfortunately I can' help much with explaining any differences between them.
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