The dynamic representation of scenes
The dynamic representation of scenes
复制标题
DOI：
10.1080/135062800394667
复制
发表时间：
2000-01-01
期刊：
影响因子：
2
通讯作者：
Rensink, RA
中科院分区：
文献类型：
--
作者：
Rensink, RA
视觉创造的一个更强大的印象是一个连贯的、细节丰富的世界，在这个世界里，一切都同时存在。事实上，这种印象是如此令人信服，以至于我们倾向于将这些属性不仅归因于外部世界，而且归因于我们的内部表征。但最近几个实验的结果反对后一种归因。例如，当在扫视、闪烁、眨眼或电影剪辑期间进行时，现实世界场景的图像中的变化常常被忽视。这种“变化盲视”提供了强有力的证据，证明我们的大脑包含了一个对场景的图片式表征，它到处都是细节和连贯的，那么我们是如何表征一个场景的呢？这里有人认为，集中注意力为一次稳定地表示一个对象提供了时空一致性。然后，有人认为，注意力的分配可以协调，以创建一个“虚拟表示”。在这样的方案中，在需要时形成稳定的对象表示，使其看起来像场景中的所有对象同时详细表示。
One of the more powerful impressions created by vision is that of a coherent, richly detailed world where everything is present simultaneously. Indeed, this impression is so compelling that we tend to ascribe these properties not only to the external world, but to our internal representations as well. But results from several recent experiments argue against this latter ascription. For example, changes in images of real-world scenes often go unnoticed when made during a saccade, flicker, blink, or movie cut. This "change blindness" provides strong evidence against the idea that our brains contain a picture-like representation of the scene that is everywhere detailed and coherent.How then do we represent a scene? It is argued here that focused attention provides spatiotemporal coherence for the stable representation of one object at a time. It is then argued that the allocation of attention can be co-ordinated to create a "virtual representation". In such a scheme, a stable object representation is formed whenever needed, making it appear to higher levels as if all objects in the scene are represented in detail simultaneously.