Sensory integration is an essential part of your development — it helps define everything from the way you see and hear things in the world, to the way that your body exists in space and more. Yet, ...

Sensory processing disorder—also known as SPD or sensory integration disorder—is a term describing a collection of challenges that occur when the senses fail to respond properly to the outside world.

Children with a sensory processing disorder may have an increased or decreased sensitivity to sensory input, such as light, sound, and touch. They may avoid or seek out sensory stimulation as a result ...