What causes Sensory Processing Disorder (SPD)?
The exact cause of SPD has not yet been identified. Preliminary studies and research suggest some leading factors. The causes of SPD are among the topics that researchers at the SPD Foundation and their collaborators elsewhere have been studying. Their preliminary findings suggest that SPD may be inherited. Prenatal and birth complications have also been implicated, and environmental factors may be involved as well (Miller 2006). While the exact cause is still unknown, there any many groups that have been found to be at higher risk of having an SPD. These groups include individuals who: • Have a diagnosis of an Autism Spectrum Disorder • Have been institutionalized, hospitalized or understimulated during critical periods of neurological development • Were born prematurely • Have been fed using alternative methods (e.g.