Initial stages of visual information processing

1.注意力的眨眼。 注意瞬脱（attentional blink，AB）：当两个视觉目标被插入到一系列快速显示的干扰物中时，第一个目标（T1）的准确性几乎是完美的，但第二个目标（T2）的准确性大大降低。 关于AB的两个基本事实是：（a）当系统忙碌处理T1时，T2的处理被延迟，以及（B）在延迟期间，T2容易被拖尾刺激掩蔽。如果T2不被掩蔽，T2加工的延迟仍然发生，但AB缺陷不存在。 AB理论解释了（a），但没有解释（B）。 在计划的研究中，我将研究的命题，在延迟期间，T2的表示存储在一个不稳定的内存缓冲区，它是脆弱的掩蔽和衰减。我计划使用AB赤字作为一个方便的工具来研究不稳定的内存缓冲区的特性。最终的计划是描述记忆缓冲区的特征，并检查它与其他短期记忆系统（如图像记忆和工作记忆）的关系。

1. The Attentional Blink. Attentional limitations in vision are revealed the attentional blink (AB): When two visual targets are inserted in a stream of distractors displayed in rapid sequence, accuracy is nearly perfect for the first target (T1) but is dramatically reduced for the second (T2). Two basic facts about the AB are: (a) the processing of T2 is delayed while the system is busy processing T1, and (b) during the period of delay, T2 is vulnerable to masking by a trailing stimulus. If T2 is not masked, the delay of T2 processing still occurs, but the AB deficit is absent. Theories of the AB have accounted for (a) but not for (b). In the planned research, I will examine the proposition that, during the delay, a representation of T2 is stored in a labile memory buffer where it is vulnerable to masking and decay. I plan to use the AB deficit as a tool of convenience to study the characteristics of the labile memory buffer. The ultimate plan is to describe the characteristics of that memory buffer, and to examine its relationship to other short-term memory systems such as iconic memory and working memory.