Rolke Bettina, Bausenhart Karin M, Ulrich Rolf
Cognitive and Biological Psychology, University of Tübingen, Tübingen, Germany.
Percept Psychophys. 2007 Nov;69(8):1295-304. doi: 10.3758/bf03192946.
Yeshurun and Levy (2003) reported that temporal discrimination performance of a visual stimulus benefits when spatial attention is oriented away from its location. In the present study, we investigated whether this negative influence of attention on temporal discrimination performance is restricted to transient spatial attention or might generalize to other paradigms of attention. We employed the attentional blink (AB) paradigm and required either a spatial (Experiment 1) or a temporal discrimination task (Experiment 2). The results of both experiments revealed a performance decrement if attention was temporally unavailable during the AB and a recovery with increasing attentional availability. Thus, contrary to the results of Yeshurun and Levy, the absence of attention decreased temporal discrimination performance in this paradigm. We hypothesize that attention which operates at different processing levels might exert differential effects on temporal stimulus processing.
耶舒伦和利维（2003年）报告称，当空间注意力从视觉刺激的位置转移时，视觉刺激的时间辨别表现会得到改善。在本研究中，我们调查了注意力对时间辨别表现的这种负面影响是否仅限于短暂的空间注意力，还是可能推广到其他注意力范式。我们采用了注意瞬脱（AB）范式，并要求进行空间辨别任务（实验1）或时间辨别任务（实验2）。两个实验的结果都显示，如果在注意瞬脱期间注意力暂时无法获得，表现会下降，并且随着注意力可用性的增加而恢复。因此，与耶舒伦和利维的结果相反，在这种范式中，注意力的缺失会降低时间辨别表现。我们假设，在不同处理水平上起作用的注意力可能对时间刺激处理产生不同的影响。
