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 concluded that the N2pc indexes the transient enhancement that occurs at the spatial focus of attention and promotes high‐level processing such as identification and reflects attentional engagement that promotes feature binding.
55 citations
TL;DR: The nature of resource limitations during visual target processing is investigated by imposing high temporal processing demands on the cognitive system by embedding target stimuli into rapid-serial-visual-presentation-streams (RSVP).
55 citations
TL;DR: The authors show that prior engagement of the attentional system may compromise the processing of items directed to the right visual field and explain the failures of previous attempts to demonstrate that parallel processing can improve item identification.
Abstract: Recent data have shown that parallel processing by the cerebral hemispheres can expand the capacity of visual working memory for spatial locations (J. F. Delvenne, 2005) and attentional tracking (G. A. Alvarez & P. Cavanagh, 2005). Evidence that parallel processing by the cerebral hemispheres can improve item identification has remained elusive. The authors used a novel variant of the attentional blink paradigm to show that the attentional blink is reduced if targets are divided between the hemispheres rather than directed to a single hemisphere. Parallel processing by the cerebral hemispheres can thus expand the capacity of processes involved in item identification. The authors also show that prior engagement of the attentional system may compromise the processing of items directed to the right visual field. This pseudoextinction may explain the failures of previous attempts to demonstrate that parallel processing can improve item identification (J. F. Delvenne, 2005; S. J. Luck, S. A. Hillyard, G. R. Mangun, & M. S. Gazzaniga, 1989).
55 citations
TL;DR: Results support models of the AB that propose that greater attentional investment underlies the AB, and furthermore that this attentionalInvestigation is prepared in anticipation before each RSVP trial.
55 citations
01 Jan 2009
TL;DR: Evidence of an AB affecting the targets that followed the first target in these sequences was found in each experiment when the probability of a given target report was conditionalized on a correct response to the preceding targets, reinforcing the notion that some form of capacity limitation in the encoding of targets plays a central role in the elicitation and modulation of the AB effect.
Abstract: A number of researchers have emphasized the role of distractors intervening between successive targets as the primary determinant of the attentional blink (AB) phenomenon. They argued that the AB is abolished when 3 or more targets are displayed as temporally contiguous items in rapidly presented serial sequences. In 3 experiments, the authors embedded 1-, 2-, or 3-digit targets among letter distractors in rapidly presented visual sequences. Across the experiments, both the number of targets and the lag between them were manipulated, producing different proportion of trials in which 3 temporally contiguous targets were presented in the test session. Evidence of an AB affecting the targets that followed the first target in these sequences was found in each experiment when the probability of a given target report was conditionalized on a correct response to the preceding targets, thus reinforcing the notion that some form of capacity limitation in the encoding of targets plays a central role in the elicitation and modulation of the AB effect.
55 citations