Term
|
Definition
| the lowest level of stimulation that a person can consciously detect 50 percent of the time the stimulation is present |
|
|
Term
|
Definition
| as a monocular cue of depth perception, the brain's use of information about the changing thickness of the lens of the eye in response to looking at objects that are close or far away |
|
|
Term
| aerial (atmospheric) perspective |
|
Definition
| monocular depth perception cue, the haziness that surrounds objects that are farther away from the viewer, causing the distance to be perceived as greater |
|
|
Term
|
Definition
| images that occur when a visual sensation persists for a brief time even after the original stimulus is removed |
|
|
Term
|
Definition
| short tunnel that runs from the pinna to the eardrum |
|
|
Term
|
Definition
| bundle of axons from the hair cells in the inner ear |
|
|
Term
|
Definition
| cues for perceiving depth based on both eyes |
|
|
Term
|
Definition
| binocular depth perception cue, the difference in images between the two eyes, which is greater for objects that are close and smaller for distant objects |
|
|
Term
|
Definition
| area in the retina where the axons of the three layers of retinal cells exit the eye to form the optic nerve, insensitive to light |
|
|
Term
|
Definition
| the analysis of the smaller features to build up to a complete perception |
|
|
Term
|
Definition
| the tendency to perceive the apparent brightness of an object as the same even when the light conditions change |
|
|
Term
|
Definition
| a gestalt principle of perception, the tendency to complete figures that are incomplete |
|
|
Term
|
Definition
| snail-shaped structure of the inner ear that is filled with fluid |
|
|
Term
|
Definition
| visual sensory receptors found at the back of the retina, responsible for color vision and sharpness of vision |
|
|
Term
|
Definition
| a gestalt principle of perception, the tendency to perceive two things that happen close together in time as being related |
|
|
Term
|
Definition
| a gestalt principle of perception, the tendency to perceive things as simply as possible with a continuous pattern rather than with a complex, broken-up pattern |
|
|
Term
|
Definition
| binocular depth perception, the rotation of the two eyes in their sockets to focus on a single object, resulting in greater convergence for closer objects and lesser convergence if objects are distant |
|
|
Term
|
Definition
| the recovery of the eye's sensitivity to visual stimuli in darkness after exposure to bright lights |
|
|
Term
|
Definition
| he ability to perceive the world in three dimensions |
|
|
Term
|
Definition
| the tendency to perceive objects, or figures, as existing on a background |
|
|
Term
|
Definition
| theory of pitch that states that pitch is related to the speed of vibrations in the basilar membrane |
|
|
Term
|
Definition
| the tendency of the brain to stop attending to constant, unchanging information |
|
|
Term
|
Definition
| cycles of waves per second, a measurement of frequency |
|
|
Term
| just noticeable difference |
|
Definition
| aka difference threshold: the smallest difference between two stimuli that is detectable 50 percent of the time |
|
|
Term
|
Definition
| the awareness of where body parts such as the legs, arms, etc. are located in relation to each other and the ground |
|
|
Term
|
Definition
| the recovery of the eye's sensitivity to visual stimuli in light after exposure to darkness |
|
|
Term
|
Definition
| monocular depth perception cue, the tendency for parallel lines to appear to converge on each other |
|
|
Term
|
Definition
| aka pictorial depth cues: cues for perceiving depth based on one eye only |
|
|
Term
|
Definition
| monocular depth perception cue, the perception of motion of objects in which close objects appear to move more quickly than objects that are far away |
|
|
Term
|
Definition
| illusion of line length that is distorted by inward-turning or outward-turning corners on the end of the lines, causing lines of equal length to appear to be different |
|
|
Term
|
Definition
|
|
Term
|
Definition
| theory of color vision that proposes visual neurons (or groups of neurons) are stimulated by light of one color and inhibited by light of another color |
|
|
Term
|
Definition
| aka interposition: monocular depth perception cue, the assumption that an object that appears to be blocking part of another object is in front of the second object and closer to the viewer |
|
|
Term
|
Definition
| the method by which the sensations experienced at any given moment are interpreted and organized in some meaningful fashion |
|
|
Term
|
Definition
| aka perceptual expectancy: the tendency to perceive things a certain way because precious experiences or expectations influence those perceptions |
|
|
Term
|
Definition
| the visible part of the ear |
|
|
Term
|
Definition
| psychological experience of sounds that corresponds to the frequency of the sound waves; higher frequencies are perceived as higher pitches |
|
|
Term
|
Definition
| theory of pitch that states that different pitches are experienced by the stimulation of hair cells in different locations on the organ of Corti |
|
|
Term
|
Definition
| a gestalt principle of perception, the tendency to perceive objects that are close to each other as part of the same grouping; physical or geographical nearness |
|
|
Term
|
Definition
| monocular depth perception cue, perception that occurs when objects that a person expects to be of a certain size appear to be small and are, therefore, assumed to be much farther away |
|
|
Term
|
Definition
| visual illusions in which the figure and ground can be reversed |
|
|
Term
|
Definition
| visual sensory receptor cells to become less responsive to a stimulus that is unchanging |
|
|
Term
|
Definition
| the process that occurs when special receptors in the sense organs are activated, allowing various forms of outside stimuli to become neural signals in the brain |
|
|
Term
|
Definition
| tendency of sensory receptor cells to become less responsive to a stimulus that is unchanging |
|
|
Term
|
Definition
| an explanation of motion sickness in which the information from the eyes conflicts with the information from the vestibular senses, resulting in dizziness, nausea, and other physical discomfort |
|
|
Term
|
Definition
| the tendency to interpret the shape of an object as being constant, even when its shape changes on the retina |
|
|
Term
|
Definition
| a gestalt principle of perception, the tendency to perceive things that look similar to each other as being part of the same group |
|
|
Term
|
Definition
| the tendency to interpret an object as always being the same actual size, regardless of its distance |
|
|
Term
|
Definition
| the sensations of touch, pressure, temperature, and pain |
|
|
Term
|
Definition
| the body senses consisting of the skin senses, the kinesthetic sense, and the vestibular senses |
|
|
Term
|
Definition
| disorder in which the signals from the various sensory organs are processed in the wrong cortical areas, resulting in the sense information being interpreted as more than one sensation |
|
|
Term
|
Definition
| monocular depth perception cue, the tendency for textured surfaces to appear to become smaller and finer as distance from the viewer increases |
|
|
Term
|
Definition
| the use of preexisting knowledge to organize individual features into a unified whole |
|
|
Term
|
Definition
| the process of converting outside stimuli, such as light, into neural activity |
|
|
Term
|
Definition
| the awareness of the balance, position, and movement of the body through space in relation to gravity's pull |
|
|
Term
|
Definition
| the change in the thickness of the lens as the eye focuses on objects that are far away or close |
|
|
Term
|
Definition
| theory of pitch that states the frequencies from about 400 Hz to 4000 Hz cause the hair cells (auditory neurons) to fire in a volley pattern, or take turns firing |
|
|
