Eye
Opening that expands or constricts to allow light in the eye
What is the pupil?
Deafness caused by middle ear damage, a hearing aid helps
What is conduction deafness?
The scientific name for smell
What is olfaction?
Minimum stimulus needed for detection at least 50% of the time
What is absolute threshold?
What is proximity?
Objects retain their shape even when the angle changes
What is shape constancy?
Muscle that controls the pupil
What is the iris?
Wave height & determines loudness
What is amplitude?
People who can taste a chemical compound called PTC
What are supertasters?
Reduced sensitivity to unchanging stimuli
What is sensory adaptation?
What is similarity?
What is selective attention?
Photoreceptors that enable color vision & bright light vision
What are cones?
Deafness caused by damage to the inner ear or auditory nerve
What is sensorineural deafness?
Sense that keeps us balanced & knowing where our head is
What is vestibular sense?
Study that tested the development of depth perceptions in infants
What is the visual cliff?
The brain fills in missing information to create a complete picture
What is closure?
The eyes turn inward as objects move closer
What is convergence?
Part of the brain that processes visual information
What is the occipital lobe?
Part of the brain that processes auditory information?
What is temporal lobe?
Neurotransmitter that naturally regulates perceptions of pain
What are endorphins?
Part of the eye that transmits visual information to the brain
What is the optic nerve?
Parallel lines appear to get closer together as they get farther away
What is linear perspective?
Failure to notice visible objects in our environment because attention is directed elsewhere
What is inattention blindness?
Three types of cones are activated & we see different color combinations
What is trichromatic theory?
Part of the inner ear that regulates balance
What are the semicircular canals?
Scientific name for sense of taste
What is gustation?
What is olfactory bulb?
Series of slightly altered images presented in rapid succession is perceived as motion
What is stroboscopic motion?
The brain computes the difference between images from both eyes to judge distance
What is retinal disparity?
Staring at one color makes cones tired - then you see the opposite color (afterimage)
What is opponent process theory?
We detect high pitch sounds because neurons alternate firing
What is volley theory?
Sense that allows us to know where our limbs are & body position
What is kinesthetic sense?
Stronger stimulus require more change to notice the difference
What is Weber's Law?
When one objects partially blocks another, it is perceived as being in front
What is interposition?
Our tendency to perceive one thing, and not another, based on experience
What is perceptual set?