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Human Sensation and Perception
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Vision
Perception process involves the translation of light into electrical signals by the retina, and these signals are processed by the brain to form images. Related sensory organ is the eye.
Hearing
Perception process involves the conversion of sound waves into mechanical vibrations and then into electrical signals by the cochlea, which are interpreted by the brain. Related sensory organ is the ear.
Taste
Perception process involves the detection of chemicals by taste buds on the tongue, which send signals to the brain to identify flavors. Related sensory organ is the tongue.
Smell
Perception process involves the detection of airborne chemicals by olfactory receptors in the nose, with the signals then sent to the brain. Related sensory organ is the nose.
Touch
Perception process involves the detection of mechanical, thermal, and nociceptive stimuli by skin receptors, which send signals through the nervous system to the brain. Related sensory organ is the skin.
Pain
Perception process involves nociceptors sending signals of tissue damage to the brain, which interprets them as pain. Related sensory organ includes the skin and internal organs.
Thermoception
Perception process involves the detection of changes in temperature by thermoreceptors, which then send information to the brain. Related sensory organs include the skin.
Equilibrioception
Perception process involves the detection of balance and spatial orientation by the vestibular system, located in the inner ear, which sends signals to the brain. Related sensory organ is the inner ear.
Proprioception
Perception process involves the sense of the relative position of one's own parts of the body and strength of effort being employed in movement. Related sensory organs include muscles and joints.
Interoception
Perception process involves sensing the internal state of the body, such as hunger, thirst, and the autonomic nervous system actions. Related sensory organ includes the internal organs.
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