Designation (palpable) for the active perception of weight, size, contours and surface texture of an object through integration of all skin senses and depth sensitivity. In detail, a distinction is made between the effects of touch, pressure, pain, temperature and vibration. The totality of haptic perceptions allows the brain to locate and evaluate the stimuli. To a certain extent, this is rated as pain or danger. A subarea are the perceived over the eponymous Gesichsnerv trigeminal or tactile sensations in the odor and taste involved. Haptic and tactile are parts of the sense of touch (Latin tactus). The passive perception of mechanical impressions is also referred to as "tactile perception"; "haptic perception" is understood as active cognition. See also the other senses below gustatory (tasting), as well olfactory (Smelling).