Sensation/Perception
the smallest amount by which two sensory stimuli can differ in order for an individual to perceive them as different
difference threshold
the sharpness of vision
visual acuity
bundle of nerves carrying sound from to the cochlea to the brain
auditory nerve
smell:
transmits odors to the limbic system of the brain
olfactory nerve
objects functioning or moving in the same direction appear to belong together, they are perceived as a single unit & the illusion of seeing an incomplete stimulus as though it were whole
common fate & closure
The state of being or process of becoming aware of something through senses & the stimulation of sensory receptors & transmission of sensory information to the central nervous system
perception & sensation
complementary colors
snail shaped structure that transmits sound impulses to the brain
cochlea
pain:
only a small amount of information can be processed by the nervous system at a time, flooding brain w other stimulus blocks some pain messages
gate theory
used to help perceive depth by only using one eye
monocular cues
The smallest stimulus that can be detected
absolute threshold
A reduced ability to distinguish between certain colors
color blindness
deafness caused by damage to the middle ear
conductive deafness
body senses:
sense that tells us about the position and motion of their body and parts
kinesthesis
an illusion when lights or images are flashed quickly and the brain perceives them as moving
stroboscopic motion
The detection of a stimulus depends on both the intensity of the stimulus and the psychological state of the individual
signal detection theory
visual sensation that occurs after the original stimulus
afterimage
deafness caused by damage to inner ear or auditory nerve
sensorineural deafness
gestalt
the tendency of animals and humans to see familiar objects as having standard shape, size, color, or location regardless of changes in the angle of perspective, distance, or lighting & the difference between the visual images that each eye perceives because of the different angles in which each eye views the world
perceptual constancy & retinal disparity
The reduction in sensitivity to a stimulus after constant exposure to it
sensory adaptation
photoreceptor, allows us to see in black and white, sensitive to only light & photoreceptor, allows us to see color
rods & cones
body senses:
tells you if you are physically upright without eyesight
vestibular sense
the state of being near in space or time & something over a long period of time never changing
proximity & continuity
the tendency of the visual system to simplify a scene into the main object that we are looking at (the figure) and everything else that forms the background (or ground)
figure-ground perception