Term
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Definition
| the perception of stimuli that are below the threshold of conscious awareness |
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Term
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Definition
| a principle of sensation that holds that the size of the just noticeable difference will vary depending on its relation to the strength of the original stimulus. (pebble + pebble = noticable; heavy rock + pebble = not) |
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Term
| Gestalt Principles of Organization; the Law of Similarity |
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Definition
| the tendency to perceive objects of a similar size, shape, or color as a unit or figure. |
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Term
| Gestalt Principles of Organization; The Law of Closure |
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Definition
| the tendency to fill in gaps in an incomplete image |
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Term
| Gestalt Principles of Organization; the Law of Good Continuation |
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Definition
| the tendency to group elements that appear to follow in the same direction as a single unit or figure. |
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Term
| Gestalt Principles of Organization; The Law of Proximity |
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Definition
| the tendency to perceive objects that are close to one another as a single unit. |
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Term
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Definition
| Relative Size, Overlap, Aerial Perspective, Texture Gradient, Linear Perspective, Motion Parallax. |
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Term
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Definition
| if two ore more objects are assumed to be similar in size, the object that appears larger is perceived as being closer |
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Term
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Definition
| when one object partially blocks or obscures the view of another object, the partially blocked object is perceived as being farther away. also called interposition |
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Term
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Definition
| faraway objects often appear hazy or slightly blurred by the atmosphere. |
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Term
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Definition
| As a surface with a distinct texture extends into the distance, the detail of the surface texture gradually become less clearly defined. The texture of the surface seems to undergo a gradient, or continuous pattern of change, from crisp and distinct when close to fuzzy and blended when farther away. |
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Term
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Definition
| parallel lines seem to meet in the distance. |
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Term
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Definition
| when you are moving, you use the speed of passing objects to estimate the distance of the objects. |
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Term
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Definition
| the tendency to perceive objects, especially familiar objects, as constant and unchanging despite changes in sensory input. (passing car doesn't shrink, gets farther away) |
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Term
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Definition
| the perception of an object as maintaining the same size despite changing images on the retina. (passing car doesn't shrink, gets farther away) |
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Term
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Definition
| the perception of a familiar object as maintaining the same shape regardless of the image produced on the retina. (Half open door isn't a trapezoid, it's a rectangle) |
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Term
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Definition
| the misperception of the true characteristics of an object or an image |
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Term
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Definition
| a famous visual illusion involving the misperception of the identical length of two lines, one with arrows pointed inward, one with arrows pointed outward |
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Term
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Definition
| a visual illusion involving the misperception that the moon is larger when it is on the horizon than when it is directly overhead. |
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Term
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Definition
| The influence of prior assumptions and expectations on perceptual interpretations. |
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Term
| ESP (extrasensory perception) |
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Definition
| Perception of information by some means other than through the normal processes of sensation. (6th sense) |
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Term
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Definition
| the scientific investigation of claims of paranormal phenomena and abilities. |
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Term
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Definition
| The perception of stimuli that are below the threshold of conscious awareness |
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Term
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Definition
| the smallest possible strength of a stimulus that can be detected half the time. |
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Term
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Definition
| the smallest possible difference between two stimuli that can be detected half the time; also called just noticeable difference |
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