Topic
Attentional blink
About: Attentional blink is a research topic. Over the lifetime, 1346 publications have been published within this topic receiving 53064 citations. The topic is also known as: Attentional blinks.
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TL;DR: It is demonstrated by means of an attentional blink task, that the attentional dwell time is prolonged by approximately 30% in dyslexic adults compared with normal readers, suggesting that a target captures attentional resources for considerably longer time in Dyslexics than control subjects.
181 citations
TL;DR: Comparisons of ERPs evoked by detected and missed targets in the attentional blink paradigm provide evidence that targets presented during the Attentional blink period can reach working memory and contribute to evaluating theories of the attentionAL blink phenomenon.
181 citations
TL;DR: To investigate the importance of posttarget stimulation in AB production, the categorical, featural, and spatial similarity of the immediate posttarget item to other items in the stream was manipulated and significant AB effects were found in all conditions, suggesting that the presentation of any patterned stimulus in close temporal proximity to the target provokes the AB.
Abstract: When participants are required to respond to a target letter imbedded in a stream of rapid serially presented letters, perception of a 2nd target letter is impaired if the interval between the 2 targets is less than about 450 ms. This attentionally based posttarget suppression in visual processing, referred to as the attentional blink (AB), is not found when there is a brief pause in the stream immediately after the 1st target. To investigate the importance of posttarget stimulation in AB production, the categorical, featural, and spatial similarity of the immediate posttarget item to other items in the stream was manipulated. Although featural and spatial dissimilarity produced significant attenuation of the AB effect, categorical dissimilarity did not. Significant AB effects were found in all conditions, suggesting that the presentation of any patterned stimulus in close temporal proximity to the target provokes the AB.
180 citations
TL;DR: Electroencephalographic activity for nonblinkers and blinkers was measured during execution of a task in which two letters had to be detected in an sequential stream of digit distractors, suggesting that they are quicker to consolidate information than are blinkers.
Abstract: A well-established phenomenon in the study of attention is the attentional blink—a deficit in reporting the second of two targets when it occurs 200–500 msec after the first. Although the effect has been shown to be robust in a variety of task conditions, not every individual participant shows the effect. We measured electroencephalographic activity for “nonblinkers” and “blinkers” during execution of a task in which two letters had to be detected in an sequential stream of digit distractors. Nonblinkers showed an earlier P3 peak, suggesting that they are quicker to consolidate information than are blinkers. Differences in frontal selection positivity were also found, such that nonblinkers showed a larger difference between target and distractor activation than did blinkers. Nonblinkers seem to extract target information better than blinkers do, allowing them to reject distractors more easily and leaving sufficient resources available to report both targets.
179 citations
177 citations