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Two visual working memory representations simultaneously control attention
#MMPMID28733668
Chen Y
; Du F
Sci Rep
2017[Jul]; 7
(1
): 6107
PMID28733668
show ga
It has been proposed that only one visual working memory (VWM) representation can
be activated to influence perception directly, whereas other VWM representations
are accessory items which have little influence on visual selection. The sole
active VWM representation might reflect a fundamental bottleneck in the
information processing of human beings. However, the present study showed that
each of two VWM representations can capture attention and interfere with
concurrent visual search. In addition, each of two VWM representations can
interfere with concurrent visual search as much as can a single cued VWM
representation. Moreover, when two memory-matching distractors appear in visual
search, two VWM representations produce a larger memory-driven capture effect
than a single memory-matching distractor. Thus, two VWM representations can
simultaneously control attention.