Encyclopaedic Dictionary of Psychological Terms. cropping) of a window's content viewport the movement of a physical mouse is synchronised with the movement of an on-screen arrow cursor, and so on. The law of common fate is used extensively in user-interface design, for example where the movement of a scrollbar is synchronised with the movement (i.e. This ability likely arose from the evolutionary need to distinguish a camouflaged predator from its background. This allows people to make out moving objects even when other details (such as the objects color or outline) are obscured. Similarly, two flocks of birds can cross each other in a viewer's visual field, but they will nonetheless continue to be experienced as separate flocks because each bird has a direction common to its flock. The moving 'dots' appear to be part of a unified whole. For example, birds may be distinguished from their background as a single flock because they are moving in the same direction and at the same velocity, even when each bird is seen-from a distance-as little more than a dot. When visual elements are seen moving in the same direction at the same rate ( optical flow), perception associates the movement as part of the same stimulus. For example, in the grid to the left, the similarity principle dominates the proximity principle the rows are probably seen before the columns.Ĭommon fate Law of common fate-a flock of birds Either principle can dominate the other, depending on the application and combination of the two. The principles of similarity and proximity often work together to form a Visual Hierarchy. Another example is a field of flowers which differ only by color. Each farmer may use a unique planting style which distinguishes his field from another. The human brain uses similarity to distinguish between objects which might lie adjacent to or overlap with each other based upon their visual texture. An example of this is a large area of land used by numerous independent farmers to grow crops. Other stimuli that have different features are generally not perceived as part of the object. This allows for people to distinguish between adjacent and overlapping objects based on their visual texture and resemblance. The principle of similarity states that perception lends itself to seeing stimuli that physically resemble each other as part of the same object.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |