Remember in our previous blog on taste differences that smell makes up a large part of our sense of taste. Therefore, an individual with an Autism Spectrum Disorder might have an extremely fine sense of smell, which can be enough to make them avoid certain foods or even lose their appetite. So, there might be overlap in this very complicated topic of sensory differences as they co-exist in each person.

“Our sense of smell is so deeply ingrained in our psychology that many times we don’t even realize how scents are affecting what we do and how we think. Smell, more so than any other sense, is also intimately linked to the parts of the brain that process emotion and associative learning. Meaning that our sense of smell influences our feelings and perceptions neurologically. Our brains are hardwired to perceive certain smells and have an emotional reaction to those smells.”

Excerpt from: http://science.howstuffworks.com/life/human-biology/smell.htm

Smell might be a hidden source of discomfort and even anxiety for some persons with ASD. “Hidden” in that a neuro-typical individual might not perceive a particular smell that registers heavily for the person with ASD.

I am reminded of a few instances where smell was a critical factor in the daily happenings of certain individuals with an ASD.

One young man with limited verbal capabilities would protest behaviorally when it was time to go to the restroom. Mind you, this was a boy’s restroom at a high school. After some careful analysis and problem solving, the staff decided to try changing the restroom from the boy’s restroom to the teacher’s restroom.Continue Reading