| A | B |
|---|
| Sensation | the process by which we receive information from the environment |
| Perception | the psychological process through which we interpret information from the environment |
| absolute threshold | weakest amount of a stimulus that can be sensed |
| difference threshold | the minimal difference that an individual can detect between 2 stimuli |
| sensory adaptation | a decline in receptor activity when stimuli are unchanging |
| conduction deafness | deafness caused by problems with the 3 tiny bones of the middle ear |
| nerve deafness | deafness that is caused by damage to the auditory nerve or may occur with age |
| blind spot | the spot on the retina where the optic nerve leaves the eye |
| rods | found in the peripheral regions of the retina; function during periods of low illuimination |
| cones | responsible for color vision, located in the fovea |
| gustation | taste |
| 4 taste qualities | sweet, sour, salt, bitter |
| ageusia | the complete inability to taste |
| olfaction | smell |
| anosmia | the complete inability to smell |
| This sense does not send messages through the thalamus | olfaction |
| pheromones | same-species ordors used as a form of chemical communication |
| What influences our attention? | attention, movement, contrast |
| gestalt | in german means "whole" |
| figure-ground perception | tendency to organize the visual field into objects (figures) that stand apart from surroundings (ground) |
| closure | the tendency to pereive a complete or whole figure wven when there are gaps in what your senses tell you |
| similarity | grouping things on the basis on how similar they are |
| proximity | grouping things on the basis on how near they are to one another |
| linear perspective | produced by apparent converging of parallel lines in the distance |
| monocular cues | cues provided by one eye |
| binocular cues | cues provides by both eyes |
| shape constancy | perceived shape of an object remains constant despite changes in the shape of the retinal image of that object |
| size constancy | the tendency to perceive objects as their correct size regardless of the size of the retinal image they produce at varying distances |
