Eye Movements Predict Recollective Experience
- Tali Sharot ,
- Matthew L. Davidson,
- Meredith M. Carson,
- Elizabeth A. Phelps
- Published: August 6, 2008
- https://doi.org/10.1371/journal.pone.0002884
Abstract
Previously encountered stimuli can bring to mind a vivid memory of the episodic context in which the stimulus was first experienced (“remembered” stimuli), or can simply seem familiar (“known” stimuli). Past studies suggest that more attentional resources are required to encode stimuli that are subsequently remembered than known. However, it is unclear if the attentional resources are distributed differently during encoding and recognition of remembered and known stimuli. Here, we record eye movements while participants encode photos, and later while indicating whether the photos are remembered, known or new. Eye fixations were more clustered during both encoding and recognition of remembered photos relative to known photos. Thus, recognition of photos that bring to mind a vivid memory for the episodic context in which they were experienced is associated with less distributed overt attention during encoding and recognition. The results suggest that remembering is related to encoding of a few distinct details of a photo rather than the photo as a whole. In turn, during recognition remembering may be trigged by enhanced memory for the salient details of the photos.
文摘
以前遇到的刺激可以使人想起刺激最初经历的情景情景(“记住”刺激)，或者仅仅是熟悉的(“已知的”刺激)。过去的研究表明，需要更多的注意力资源来编码那些随后被记住的刺激。然而，目前还不清楚在编码和识别记忆和已知的刺激时，注意力资源是否有不同的分布。在这里，我们记录眼睛的运动，同时参与者对照片进行编码，然后在指示照片是否被记住、已知或新的。与已知的照片相比，在编码和识别记忆照片的过程中，眼睛的固定更集中。因此，对照片的识别，使人们对他们所经历的情景情景有一个生动的记忆，这与编码和识别过程中较少的公开关注有关。研究结果表明，记忆与对照片中几个不同细节的编码有关，而不是整个照片。反过来，在识别记忆的过程中，可以通过增强的记忆触发照片的显著细节。
Figures数据
Citation: Sharot T, Davidson ML, Carson MM, Phelps EA (2008) Eye Movements Predict Recollective Experience. PLoS ONE 3(8): e2884. https://doi.org/10.1371/journal.pone.0002884
Editor: Jan Lauwereyns, Victoria University of Wellington, New Zealand
Received: June 22, 2008; Accepted: July 10, 2008; Published: August 6, 2008
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