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Sensation & Perception
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What are exterorexeptos
Receptors That detect external stimuli
What are internoreceptors ?
Receptors that detect internal stimuli
What does a mechanoreceptor recognize?
Mechanical disturbances (pressure)
What is an example of a mechanoreceptor in the skin ?
Pacinian corpuscle
What is an example of a mechanoreceptor in the ear ?
Auditory hair cell
What does a chemoreceptors recognize?
Chemicals
What are two types of chemoreceptors?
Olfactory receptors
Gustatory receptors
What do nociceptors recognize ?
Pain
What do thermoreceptors recognize?
Temperature
What do electromagnetic receptors recognize?
Electromagnetic waves
What are the only electromagnetic receptors in the human body ?
Rods
Cones
What properties need to be communicated to the CNS ?
Location
Intensity
Mode
Duration
What determines intensity of a signal ?
Frequency of axn potential
What receptors fire as long as the stimulus is present ?
Tonic receptors
What receptor only fires when the stimulus starts ?
Phasic receptors
What are proprioceptors ?
Receptors that make you aware of your body position
What are the components of the outer ear ?
Auricle
External auditory canal
What are the components of the middle ear ?
Tympanic membrane
Ossicles
What are the components of the ossicles ?
Malleus (Hammer)
Incus (Anvil)
Stapes (Stirrup)
What are the components of the inner ear ?
Cochlea
Semicircular canals
Utricle
Saccule
What do the 3 small bones in the middle ear do?
Amplify sound vibrations
What generates vibrations
Tympanic membrane
Name the fluid in the cochlea
Perilymph
Endolymph
Vibration of endolymph causes vibration of what ?
Basilar membrane
What covers the basilar membrane?
Hair cells
What factor of the sound wave determines pitch ?
Frequency
What factor of the wave determines loudness?
Amplitude
Where in the brain is the auditory complex ?
Temporal lobes
What part of the eye does light enter ?
Cornea
What happens to light as it passes through the cornea ?
It is refracted
What is the white of the eye ?
The sclera
What is the color part of the eye ?
Iris
What changes the curvature of the lens ?
Ciliary muscle
What cells do rods & cones synapse with ?
Bipolar cells
What do bipolar cells synapse with ?
Ganglion Cells
What cells axons make up the optic nerve ?
Ganglion cell axons
Name the part of the retina where the ganglion axons become optic nerve.
Optic disk
What is the optic disk ALso known as ?
Blind spot
What is the structure in the center of the macula ?
The fovea centralis
What is special about the fovea centralis ?
Only cones in this area
What state are rods & cone cells in when it’s dark ?
Depolarized
What happens to rods & cones when light is added ?
The hyperpolarize
Which photoreceptor is responsible for noticing light ?
Rods
What photoreceptors are responsible for recognizing color?
Cones
What is the only binocular clue ?
Depth perception
What are the monocular cues ?
Relative size
Interposition
Relative clarity
Texture gradient
Relative height
Relative motion
Light and shadow
Linear perspective
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Author
JaneenR
ID
350059
Card Set
Sensation & Perception
Description
Updated
2019-12-22T04:32:10Z
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