Theeuwes Jan, Pratt Jay
Department of Cognitive Psychology, Vrije Universiteit, Amsterdam, The Netherlands.
Psychon Bull Rev. 2003 Sep;10(3):616-20. doi: 10.3758/bf03196523.
Focusing attention to a location in 3-D space operates much the same as in 2-D space. Attending a location in 2-D space is followed by a selective inhibitory aftereffect known as inhibition of return (IOR). Here, we report the results of two 3-D reflexive cuing studies in which depth was defined by binocular disparity. As has been shown before, attentional cuing was specific for x-y-z locations. However, the present results show that IOR is not depth specific. After a specific location in x-y-z is cued, IOR occurs for the depth plane in front of and behind the cued location. The finding that IOR spreads across depth planes may be related to how inhibited locations are encoded in the superior colliculus. We argue that the functional role of a depth-blind IOR is to bias attention against going back to any part of a previously attended object.
将注意力集中于三维空间中的某个位置，其运作方式与二维空间中的情况大致相同。在二维空间中关注某个位置之后，会出现一种选择性抑制后效应，即返回抑制（IOR）。在此，我们报告两项三维反射性线索提示研究的结果，其中深度由双眼视差定义。如之前所示，注意力线索提示对x - y - z位置具有特异性。然而，目前的结果表明，IOR并非深度特异性的。在提示了x - y - z中的特定位置之后，在提示位置前方和后方的深度平面都会出现IOR。IOR跨深度平面传播这一发现可能与上丘中被抑制位置的编码方式有关。我们认为，深度盲IOR的功能作用是使注意力偏向于不回到先前关注对象的任何部分。
