Subtypes OF Sensory Processing Disorder 
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Subtypes of SPD

Sensory Processing Disorder is now being used as a global umbrella term that includes all forms of this disorder, including three primary diagnostic groups:

 Type I - Sensory Modulation Disorder
 Type II - Sensory Based Motor Disorder
 Type III - Sensory Discrimination Disorder
 
Type I - Sensory Modulation Disorder (SMD). Over, or under responding to sensory stimuli or seeking sensory stimulation. This group may include a fearful and/or anxious pattern, negative and/or stubborn behaviors, self-absorbed behaviors that are difficult to engage or creative or actively seeking sensation.
 
Type II - Sensory Based Motor Disorder (SBMD). Shows motor output that is disorganized as a result of incorrect processing of sensory information affecting postural control challenges and/or dyspraxia.
 
Type III - Sensory Discrimination Disorder (SDD). Sensory discrimination or incorrect processing of sensory information. Incorrect processing of visual or auditory input, for example, may be seen in inattentiveness, disorganization, and poor school performance.







DISCLAIMER: I am not an Occupational Therapist. I am an adult who has Sensory Processing Disorder, a sensory parent and a Grandma. The information on this website is not medical advice and does not replace the information that your child's therapists gives you. These are just ideas and information that I have learned myself over the years of being a parent and an adult living with SPD. If you are concerned for your child, please always seek medical attention through a family doctor, pediatrician or therapist. This website is for informational purposes only. Each child is different and what works for one child may not for another. Please always consult with a professional.