haptics
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The term "haptic" is the technical term for the human sense of touch, similar to the term "optics and acoustics" which describes the perceptible stimuli of the outside world via the eye or ear. Although the haptic is difficult to compare with the sensory perception of visible or audible stimuli, it is nevertheless capable of capturing and separating complex textures from surfaces. Basic features that can be perceived through the feel, are the size and shape of an object, which are always confirmed by the sense of sight or supplemented. Optically imperceptible properties that are detected solely by the haptics of a person are the surface structure with their respective contours and the weight of an object. Essential for the processing are the sensory cells in the fingers and palms of a human, which are among the areas of the human body with the highest density of nerve cells. Also the so-called depth sensitivity, ie the reaction of the inside of the body to stimuli from the outside, play an essential role in the haptic perception in order to be able to assess, for example, the force required to lift an object. In the floristic environment, haptic perception plays a decisive role for professional gardeners and florists, since they can say something about the health of the respective plant, for example, by feeling the leaves and other plant parts.
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