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This photo shows tactile markings identifying stairs for visually impaired people. The somatosensory system , or somatic sensory system is a subset of the sensory nervous system . It has two subdivisions, one for the detection of mechanosensory information related to touch, and the other for the nociception detection of pain and temperature. [ 1 ]
Tactile discrimination is the ability to differentiate information through the sense of touch. The somatosensory system is the nervous system pathway that is responsible for this essential survival ability used in adaptation. [1] There are various types of tactile discrimination.
Thigmotaxis (from Greek thigma, "touch" meaning contact with an object, and taxis, "arrangement, order", meaning reaction by movement [1]) is a behavioral response to tactile stimuli, typically referring to an organism's movement in response to physical contact with surfaces or objects. For example, animals, when placed into a new enclosed ...
Tactile stimulation is used in clinical psychology through the method of prompting. Prompting is the use of a set of instructions designed to guide a participant through learning a behavior. A physical prompt involves stimulation in the form of physically guided behavior in the appropriate situation and environment.
Bliss et al. interpreted this difference in partial report versus whole report as a sensory form of memory for passively presented tactile stimuli with a high capacity and short duration. Additional support for the short duration of haptic memory comes from studies by Gilson and Baddeley in 1969.
Tactile defensiveness: negative reaction to tactile stimuli; Visual perceptual deficits: poor form and space perception and visual motor functions; Somatodyspraxia: poor motor planning (related to poor information coming from the tactile and proprioceptive systems) Auditory-language problems
These include the five classic senses of vision (sight), audition (hearing), tactile stimulation , olfaction (smell), and gustation (taste). Other sensory modalities exist, for example the vestibular sense (balance and the sense of movement) and proprioception (the sense of knowing one's position in space) Along with Time (The sense of knowing ...
However, vibrotactile stimulation systems need to account for the rapid adaptation of the tactile sense. Another important aspect of tactile sensory substitution systems is the location of the tactile stimulation. Tactile receptors are abundant on the fingertips, face, and tongue while sparse on the back, legs and arms.