Respuesta :
The location where the subject detects two points at their smallest distance apart contains the greatest density of touch receptors.
Define touch receptors.
Skin-based touch receptors are a subtype of sensory neuron that respond to mechanical stimulus. They have specific ends. Touch receptors therefore communicate with the central nervous system about tactile inputs as a component of the somatosensory system.
Being able to distinguish between two different places of stimulation on the skin at the same time is known as two-point discrimination. For instance, when a two-pronged fork is used to poke someone, the person will be able to distinguish that there are two different prongs touching their skin as opposed to thinking there is only one prong.
By presenting two simultaneous stimuli to the skin simultaneously at two different points that are spaced apart by a specific amount, it is possible to measure a person's threshold for two-point discrimination. Then, until the person is unable to distinguish the two stimuli as two distinct points, the two stimuli are repeatedly presented at progressively closer distances. A two-point instrument that exerts pressure on the skin is typically used to accomplish this. It is possible to adjust the instrument to change the distance between the two points. In order to avoid skewing the results of the test, the area of the subject's skin that is being examined is typically kept hidden.
The patient's two point threshold is defined as the shortest distance between pressure points that the person can perceive.
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