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18 Cards in this Set

  • Front
  • Back

sensation

process by which senses detect, visual, auditory etc. stimuli and transmit them to the brain

the ______________ of a sense marks the difference between not being able to perceive a stimulus and being just barely able to perceive it

absolute threshold

the process of becoming less sensitive to unchanging stimuli over time is called

sensory adaption

saturation

refers to the purity of the colour people see

lens

another clear structure behind iris, suspended by muscles finishes the focusing process begun by cornea

cones

visual sensory receptors found at the back of the retina, responsible for colour vision/sharpness

after image

images that occur when a visual sensation persists for a brief time even after the original stimulus is removed

eardrum

thin section of skin that tightly covers the opening into the middle part of the ear (ie. drum skin covers opening in drum)

gustation

term for sensation of taste

olfaction

sense of smell

olfactory bulbs

areas of brain located above sinus cavity/below frontal lobe, that receive information from the olfactory receptor cells

figure ground

gestalt principle; tendency to perceive objects as existing on a background

proximity

gestalt principle; to perceive objects close together as part of the same grouping

closure

gestalt principle; tendency to complete figures that are incomplete

depth perception

ability to perceive the word in three dimensions

monocular

cues for perceiving depth based on only one eye

binocular

cues for perceiving depth based on both eyes

perceptual set

tendency to perceive things a certain way because previous experiences influence those perceptions