Sensory Processing Disorder (SPD) is closely aligned with autism in that most individuals on the autism spectrum have significant struggles with SPD ( Children with sensory impairments find it difficult to process and act upon information received through the senses, resulting in challenges such as clumsiness, anxiety, and social and behavioral problems.  Additionally, many of them have sensory-related sensitivities

in Autism Therapies and Treatments by Randall Redfield, MIC