AI Article Synopsis
- RSVP at 10 words/s allows easy understanding and recall of sentences presented one word at a time, while detecting colored letters at 10 letters/s leads to an attentional blink affecting recall of a second target after a brief delay.
- This blink disappears when participants are asked to report all letters, indicating that performance decreases gradually rather than abruptly.
- In a study comparing report methods, target words in sentences were more easily recalled when participants reported the whole sentence compared to only 2 targets, suggesting the attentional blink is about target selection rather than memory processing.
Article Abstract
A sentence is readily understood and recalled when presented 1 word at a time using rapid serial visual presentation (RSVP) at 10 words/s (Potter, 1984). In contrast, selecting just 2 colored letters at 10 letters/s results in easy detection of the first target but poor recall for the second when it appears 200-500 ms later. This attentional blink disappears when all letters must be reported; instead, performance drops more gradually over serial position (Nieuwenstein & Potter, 2006). Would target words in sentences escape an attentional blink? Subjects either reported 2 target words (in red or uppercase) or the whole 10-word sentence. There was a blink for Target 2 in partial report, but that target was easily remembered in whole report. With scrambled sentences whole report dropped but partial report was unaffected, again showing a blink. The attentional blink is not due to memory processing of Target 1, but to target selection, which is incompatible with sentence processing.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2435188 | PMC |
| http://dx.doi.org/10.1016/j.jml.2007.12.002 | DOI Listing |
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