Sensory processing disorders are conditions that affect how the brain processes sensory information. They can cause over or undersensitivity to sensory information, including sight, sound, and touch.

Sensory processing sensitivity is described as a personality trait associated with a high sensitivity to environmental and social stimuli. It has been assumed that about 15–20% of the total population ...

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.