Haptic perception

Haptic perception (Greek: haptόs "palpable", haptikόs "suitable for touch") means literally the ability "to grasp something", and is also known as stereognosis.

The term haptik was coined by the German Psychologist Max Dessoir in 1892, when suggesting a name for academic research into the sense of touch in the style of that in "acoustics" and "optics".

[11] The following exploratory procedures have been identified so far: Thus gathered object or subject properties are size, weight, contour, surface and material characteristics, consistency and temperature.

[13] The Weber fraction[1] and the level crossings constant[14] are employed to define the perceptual deadband for haptic force stimulus.

Examples of medical conditions that can cause neuropathies are diabetes mellitus, chronic kidney disease, thyroid dysfunction (hyper- and hypothyroidism) as well as hepatitis, liver cirrhosis and alcohol dependency.