Tactile discrimination
Tactile Discrimination
Tactile discrimination (pronunciation: /ˈtæktaɪl dɪˌskrɪmɪˈneɪʃən/) is a term used in neuroscience and psychology to describe the ability to distinguish the physical properties of objects through the sense of touch. This includes the ability to identify texture, shape, size, and weight of objects without the aid of visual or auditory cues.
Etymology
The term "tactile" comes from the Latin word "tactilis," which means "able to touch." "Discrimination" is derived from the Latin "discriminare," which means "to distinguish between."
Related Terms
- Two-point discrimination: This is a type of tactile discrimination that refers to the ability to discern that two nearby objects touching the skin are truly two distinct points, not one.
- Stereognosis: This is the ability to perceive and recognize the form of an object in the absence of visual and auditory information, by using tactile information.
- Haptic perception: This is the process of recognizing objects through touch. It involves a combination of somatosensory perception of patterns on the skin surface and proprioception of hand position and conformation.
- Somatosensory system: This is a complex system of sensory neurons and pathways that responds to changes at the surface or inside the body. The system is responsible for touch and related sensations.
See Also
External links
- Medical encyclopedia article on Tactile discrimination
- Wikipedia's article - Tactile discrimination
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