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Smell, or olfaction, is a chemoreception that forms the sense of smell. Olfaction has many purposes, such as the detection of hazards, pheromones, and food. It integrates with other senses to form the sense of flavor. [8] Olfaction occurs when odorants bind to specific sites on olfactory receptors located in the nasal cavity. [9]
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]
Gyanendriya is the organ of perception, the faculty of perceiving through the senses. The first five of the seventeen elements of the subtle body are the "organs of perception" or "sense organs". [2] According to Hinduism and Vaishnavism there are five gyanendriya or "sense organs" – ears, skin, eyes, tongue and nose. [2]
The primary sensory areas are the primary cortical regions of the five sensory systems in the brain (taste, olfaction, touch, hearing and vision).Except for the olfactory system, they receive sensory information from thalamic nerve projections.
Sense organs are transducers that convert data from the outer physical world to the realm of the mind where people interpret the information, creating their perception of the world around them. [ 1 ] The receptive field is the area of the body or environment to which a receptor organ and receptor cells respond.
The concept of five inward wits similarly came from Classical views on psychology. Modern thinking is that there are more than five (outward) senses, and the idea that there are five (corresponding to the gross anatomical features — eyes, ears, nose, skin, and mouth — of many higher animals) does not stand up to scientific scrutiny.
The environment acts as an external stimulus, and tactile perception is the act of passively exploring the world to simply sense it. To make sense of the stimuli, an organism will undergo active exploration, or haptic perception, by moving their hands or other areas with environment-skin contact. [16]
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