Autism Spectrum Disorder (ASD) and Sensory Processing Disorder (SPD) are distinct yet sometimes overlapping conditions that affect how individuals perceive and respond to sensory information. Understanding their differences helps guide appropriate therapies and support.
Clear Differences Between Autism and Sensory Processing Disorder
Autism is a developmental condition characterized by challenges in social interaction, communication, and behavior. It involves a broad spectrum of symptoms that affect how individuals relate to others and process social cues.
Sensory Processing Disorder, on the other hand, specifically refers to difficulties in how the brain interprets sensory inputs such as touch, sound, or movement. SPD often manifests as hypersensitivity (over-reactivity) or hyposensitivity (under-reactivity) to sensory stimuli. Unlike autism, SPD does not inherently include social or communication difficulties.
Overlapping Sensory Features with Distinct Roots
Approximately 90% of individuals with autism also experience sensory processing differences, including sensory overload or seeking behaviors. However, SPD can exist independently in individuals who do not have autism and exhibit typical social and language skills.
Research studies show children with autism generally score higher in sensory under-reactivity compared to children with SPD, while both groups experience similar sensory over-reactivity. Additionally, autism uniquely affects brain regions responsible for social-emotional processing, whereas SPD primarily involves sensory integration pathways.
A 2025 study involving 210 children differentiated behavioral profiles between autism and SPD participants. Children with ASD showed more sensory under-reactivity and higher systemizing tendencies (interest in how things work), while those with SPD displayed sensory sensitivities without autism-related social challenges.
Personal experiences shared by families highlight that while both conditions involve sensory difficulties, autism includes broader developmental and social aspects not found in SPD alone.
Conclusion: Get Expert ABA Therapy at Able Stars ABA Therapy
Knowing the difference between autism and sensory processing disorder ensures your child gets tailored support that addresses their unique needs. Able Stars ABA in Maryland offers expert assessments and personalized plans to help children with ASD and/or SPD thrive. Contact us today to schedule a visit and start your child on a path to success.
Sources:
- https://www.medicalnewstoday.com/articles/sensory-processing-disorder-vs-autism
- https://www.autismparentingmagazine.com/autism-sensory-processing-disorder/
- https://www.autism.org.uk/advice-and-guidance/topics/about-autism/sensory-processing
- https://pmc.ncbi.nlm.nih.gov/articles/PMC10687592/
- https://pmc.ncbi.nlm.nih.gov/articles/PMC7214749/
- https://www.frontiersin.org/journals/integrative-neuroscience/articles/10.3389/neuro.07.029.2009/full
- https://www.sciencedirect.com/science/article/abs/pii/S175094671400141X
- https://www.autismspeaks.org/sensory-processing-disorder
- https://drakeinstitute.com/articles/autism/sensory-processing-disorder-vs-autism
- https://www.ucsf.edu/news/2014/07/116196/kids-autism-sensory-processing-disorders-show-brain-wiring-differences
- https://www.thetransmitter.org/spectrum/talking-sense-what-sensory-processing-disorder-says-about-autism/