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| absolute sensory threshold |
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Definition
| intensity at which a given individual can detect a sensory stimulus 50% of the time; a low threshold indicates the ability to detect faint stimuli |
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| visual cues that depend on the action of both eyes |
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| sensory activity in which tiny elements combine to produce larger items |
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| increase or decrease in an object's apparent brightness because of the effects of objects around it |
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| in Gestalt psychology, tendency to imagine the rest of an incomplete, familiar figure |
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| tendency to perceive objects as part of the same group if they change or move in similar ways at the same time |
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| in Gestalt psychology, the tendency to fill in the gaps in an interrupted line |
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| degree to which the eyes turn in to focus on a close object |
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| perception of distance, which enables us to experience the world in three dimensions |
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| neuron in the visual system of the brain that responds to the presence of a certain simple feature, such as a horizontal line |
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| object and its background |
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| approach to psychology that seeks to explain how we perceive overall patterns |
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| in Gestalt psychology, the tendency to perceive simple, symmetrical figures |
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| perception that an object is moving and the background is stationary when in fact the object is stationary and the background is moving |
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| visual cues to distance that are just as effective with one eye as with both |
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| apparent difference between the size of the moon at the horizon and its size when viewed higher in the sky |
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| apparently swift motion of objects close to a moving observer and the apparently slow motion of objects farther away |
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| misinterpretation of a visual stimulus as being larger or smaller, or straighter or more curved, than it really is |
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| (a) in Gestalt psychology, the tendency to perceive objects that are close together as belonging to a group; (b) in social psychology, the tendency to choose as friends people with whom we come in frequent contact |
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| difference in the apparent position of an object as seen by the left and right retinas |
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| stimulus that you can perceive in more than one way |
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| study of people's tendencies to make hits, correct rejections, misses, and false alarms |
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| in Gestalt psychology, the tendency to perceive objects that resemble each other as belonging to a group |
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| illusion of movement created by a rapid succession of stationary images |
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| ability of a stimulus to influence our behavior even when it is presented so faintly or briefly or along with such strong distracters that we do not perceive it consciously |
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| activity in which someone applies experience and expectations to interpret what each item must be in context |
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| tendency to perceive objects as unchanging in shape, size, and color despite variations in what actually reaches the retina |
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| phenomenon in which prolonged staring at a waterfall and then looking at nearby cliff s causes those cliff s to appear to flow upward |
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