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Fine touch (or discriminative touch) is a sensory modality that allows a subject to sense and localize touch. The form of touch where localization is not possible is known as crude touch. The dorsal column–medial lemniscus pathway is the pathway responsible for the sending of fine touch information to the cerebral cortex of the brain.
A sensory system consists of sensory neurons (including the sensory receptor cells), neural pathways, and parts of the brain involved in sensory perception and interoception. Commonly recognized sensory systems are those for vision , hearing , touch , taste , smell , balance and visceral sensation.
A sense is a biological system used by an organism for sensation, the process of gathering information about the surroundings through the detection of stimuli. Although, in some cultures, five human senses [1] were traditionally identified as such (namely sight, smell, touch, taste, and hearing), many more are now recognized. [2]
Taste is the sensation produced when a substance in the mouth reacts chemically with taste receptor cells located on taste buds in the oral cavity, mostly on the tongue. Taste, along with smell ( olfaction ) and trigeminal nerve stimulation (registering texture, pain, and temperature), determines flavors of food or other substances.
Sensation has been defined as the conscious perception of touch-position and pain-temperature information. With the exception of smell, all sensory input (touch-position, pain-temperature, sight, taste, hearing and balance) is sent to the thalamus and then the cortex. The thalamus is anatomically subdivided into nuclei.
Sensory processing deals with how the brain processes sensory input from multiple sensory modalities. These include the five classic senses of vision (sight), audition (hearing), tactile stimulation ( touch ), olfaction (smell), and gustation (taste).
The sensation of taste come from oral somatosensory stimulation and with retronasal olfaction. The perceived pleasure encountered when eating and drinking is influenced by: sensory features, such as taste quality; experience, such as prior exposure to taste-odor mixtures; internal state; cognitive context, such as information about brand [12]
Taste bud. The gustatory system or sense of taste is the sensory system that is partially responsible for the perception of taste. [1] Taste is the perception stimulated when a substance in the mouth reacts chemically with taste receptor cells located on taste buds in the oral cavity, mostly on the tongue.