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29 Cards in this Set
- Front
- Back
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What's the difference between a sensation and perception?
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A sensation is the physical awareness of stimuli via sensory receptors, as where perception is how that stimuli is interpreted by the individual experiencing it.
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Source of general senses.
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Receptors spread all over the body.
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Difference between somatic and visceral senses.
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Somatic is pertaining to sensory information via the surrounding environment, where as visceral is pertaining to sensory information coming from inside of the body.
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Give an example of a somatic sensation.
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Pain or itching.
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Give an example of a visceral sensation.
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Indigestion, heartburn.
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What are special senses, ironically?
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Special senses are the five basic senses everyone thinks of- sight, smell, hearing and touch.
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Receptors that respond to chemical stimuli are known as...
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...chemoreceptors (smell, taste)
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Receptors that respond to pain are known as...
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...nociceptors (general pain)
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Receptors that respond to changes in lighting are known as...
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...photoreceptors
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Receptors that respond to mechanical stimuli are known as...
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...mechanoreceptors (touch, hearing)
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Receptors that respond to changes in the temperature are known as.,..
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...thermoreceptors
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An erosion of sensation, such as building up a pain tolerance is known as ___________
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Sensory adaptation.
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Three kinds of pain
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Local, Referred and diffuse.
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The act of applying pressure to an area to disrupt pain is known as what?
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The gate control theory.
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What are receptors, by definition?
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Sensory nerve endings that respond to stimuli.
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Name the 3 layers of the eye.
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Sclera
Choroid Retina |
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What two things does the retina contain?
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Rods and cones.
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What allows us to perceive color?
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The cones in the retina.
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What constitutes as a "blind spot" when it comes to the eye?
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An area where there are no cones or rods.
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Where do the optic nerves both join and separate before going off to the brain?
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The optic chasima.
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When someone lacks a specific kind of cone in their retina, it leads to...
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...color blindness.
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What helps with our night vision?
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The tapidum lucidum.
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The act of flexing muscles around the lense in order to focus on something.
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Coreation.
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Myopia vs. hydropia: what's the difference?
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Myopia= nearsightedness
Hydropia= farsightedness |
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What is located on the palpae?
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Taste buds are located on the palpae.
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5 different kinds of tastes.
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Bitter, umami (savory), sweet, sour, salty.
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What is olfaction referring to?
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Olfaction is referring to smell.
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How many parts of the ear are there? What are they?
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3 parts- outer, mid and inner ear.
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What does the auditory tube connect to?
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The pharynx.
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