Glossary

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Sensory Adaptation(also: Habituation, Olfactory Fatigue)

Sensory adaptation is the diminishing response of a sensory system to a constant or repeated stimulus over time. Classic examples include no longer noticing a steady smell, becoming accustomed to ambient noise, or losing awareness of clothing pressed against the skin. In…

Sensory Based Motor Disorder(also: SBMD)

A subtype of Sensory Processing Disorder in which the brain has difficulty using sensory information to plan and execute motor actions. SBMD encompasses two sub-types: postural disorder, which affects balance and core stability, and dyspraxia, which impacts motor planning and…

Sensory Processing(also: Sensory Integration, Sensory Processing Differences)

Sensory processing refers to the way the nervous system receives, organizes, and responds to sensory input from the environment, including sound, light, touch, smell, taste, and movement. When sensory processing works differently — as is common in autistic individuals and people…

Sensory Processing Disorder(also: SPD, Sensory Integration Disorder, Sensory Integration Dysfunction)

A condition in which the brain has difficulty receiving, organizing, and responding to sensory information from the environment and the body. People with Sensory Processing Disorder may be oversensitive or undersensitive to sensory input — including touch, sound, light,…

Sensory Saltation(also: Cutaneous Rabbit Effect, Tactile Saltation)

A perceptual phenomenon in which a series of rapid taps delivered at discrete locations on the skin are perceived as a continuous movement or hopping sensation across the surface between the tap points. In assistive technology, sensory saltation is exploited in haptic interfaces…

Sensory overload(also: Sensory overstimulation, Overstimulation)

A state in which the brain receives more sensory input than it can effectively process, leading to feelings of overwhelm, distress, anxiety, or shutdown. Sensory overload is particularly common among autistic individuals and people with sensory processing differences, but can…

Sensory processing(also: Sensory integration, Sensory modulation)

The neurological process of receiving, organising, and interpreting sensory information from the environment (sight, sound, touch, smell, taste, proprioception, vestibular input) to produce appropriate responses. Differences in sensory processing are common in autism, ADHD, and…

Sound Localization(also: Auditory Localization)

The ability to determine the direction and distance of a sound source using auditory cues such as differences in timing and intensity between the two ears. Blind and visually impaired people often develop enhanced sound localization skills as a compensatory strategy for…

Spatial sensitivity(also: Personal space sensitivity, Proxemic sensitivity)

Heightened awareness of and discomfort with the physical proximity of others or objects, particularly common among autistic individuals and people with anxiety or PTSD. Spatial sensitivity involves strong reactions to violations of personal space boundaries, which can extend to…

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