object constancy


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constancy

 [kon´stan-se]
the quality of remaining stable or unaltered.
form constancy the ability to recognize forms and objects as the same in spite of variation in environment, position, and size.
object constancy the capacity to understand that an absent person or object exists and will return.

ob·ject con·stan·cy

1. the tendency for objects to be perceived as unchanging despite variations in the positions in and conditions under which the objects are observed; for example, a book's shape is always perceived as a rectangle regardless of the visual angle from which it is viewed.
2. in psychoanalysis, the relatively enduring emotional investment in another person.
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An assessment of whether infants can show viewpoint-independent performance in a priming task will help reveal which aspects of infant object constancy are similar to adults.
If, like adults, the implicit perceptual system of the infant is insensitive to these types of view-specific changes, then priming with a novel view should elicit the same performance as priming with a familiar view (showing object constancy).
The purpose of this group was to ensure that any retention displayed by infants in the reactivation view-change group was due to object constancy, and not due to simple generalization to any mobile displaying, for example, red objects.
Empirical support for object constancy in 3-month-old infants using a memory reactivation task
If the time were much shorter, then the user would lose object constancy and would have to reorient himself.
For example, they use color, lighting, shadow, transparency, hidden surface occlusion, continuous transformation, and motion cues to induce object constancy and 3D perspective.
Information visualization using 3D interactive animation

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