动态范式中基于客体的返回抑制--是客体抑制还是空间抑制的动态更新？

Object Based-Inhibition of Return in Dynamic Displays：Object Inhibition or Updating of Spatial Inhibition？

对动态范式中基于客体的返回抑制进行了考察。实验1在双侧客体改变和不改变条件下考察了返回抑制效应，结果表明，在双侧客体改变条件下返回抑制仍然存在。实验2采用单侧客体变化技术对动态范式中基于客体的返回抑制进行了测量，结果发现，在有效线索化条件下，单侧客体改变和不改变条件下对靶子的反应时没有显著差异(p>0.90)。这些结果表明动态范式中基于客体的返回抑制的机制是空间抑制的动态更新，而不是客体表征受到抑制。

A response to a visual target presented at a precued spatial location is facilitated if the target is presented shortly after the cue and inhibited when the cue target onset asynchrony approaches a few hundred ms. The latter effect is termed inhibition of return(IOR). Tipper et al (1991) found that IOR not only existed in static but also in dynamic displays. In particular， when a cued object moves away from the originally cued location， people are slower to detect stimuli in the cued object at its new location. Tipper et al termed this phenomenon object-based IOR. Robertson et al (2001， 2004)， however， suggested that this effect could be reinterpreted as spatial reorienting processes. The present study aimed to examine whether object-based IOR in dynamic displays was resulted from the updating of the spatial inhibition or the inhibition of object representation.