2019
DOI: 10.1038/s41467-019-12919-7
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Feature integration within discrete time windows

Abstract: Sensory information must be integrated over time to perceive, for example, motion and melodies. Here, to study temporal integration, we used the sequential metacontrast paradigm in which two expanding streams of lines are presented. When a line in one stream is offset observers perceive all other lines to be offset too, even though they are straight. When more lines are offset the offsets integrate mandatorily, i.e., observers cannot report the individual offsets. We show that mandatory integration lasts for u… Show more

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Cited by 28 publications
(36 citation statements)
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“…This unconscious integration period can last for 420 ms as experiments using TMS and feature fusion have shown (Scharnowski et al, 2009;Rüter et al, 2010; see also Pilz et al, 2013). Drissi-Daoudi et al (2019) have also shown mandatory unconscious integration up to 450 ms. Relatedly, Sergent et al (2013) showed that a cue presented after a target stimulus that would otherwise remain unconscious can retrospectively render the stimulus conscious. These results raise the question of whether consciousness is a continuous stream of percepts or is discrete, i.e., consciousness occurs at only certain time points (Doerig, Scharnowski, et al, 2019;Fekete et al, 2018;Herzog et al, 2016;James, 2013;VanRullen & Koch, 2003;White, 2018).…”
Section: Ii4 Is Consciousness Temporally Continuous or Discrete?mentioning
confidence: 95%
“…This unconscious integration period can last for 420 ms as experiments using TMS and feature fusion have shown (Scharnowski et al, 2009;Rüter et al, 2010; see also Pilz et al, 2013). Drissi-Daoudi et al (2019) have also shown mandatory unconscious integration up to 450 ms. Relatedly, Sergent et al (2013) showed that a cue presented after a target stimulus that would otherwise remain unconscious can retrospectively render the stimulus conscious. These results raise the question of whether consciousness is a continuous stream of percepts or is discrete, i.e., consciousness occurs at only certain time points (Doerig, Scharnowski, et al, 2019;Fekete et al, 2018;Herzog et al, 2016;James, 2013;VanRullen & Koch, 2003;White, 2018).…”
Section: Ii4 Is Consciousness Temporally Continuous or Discrete?mentioning
confidence: 95%
“…Using the sequential metacontrast paradigm (SQM) ( Otto, Öğmen, & Herzog, 2006 ; Otto, Oğmen, & Herzog, 2009 ), we recently showed that features integrate mandatorily and unconsciously within a window of integration that can last for up to 450 ms, depending on observer ( Drissi-Daoudi, Doerig, & Herzog, 2019 ). Here, we show that this unconscious, mandatory integration cannot be disrupted by a saccade in line with trans-saccadic integration to maintain object identity across eye movements.…”
Section: Introductionmentioning
confidence: 99%
“…In condition V-PV (vernier–pro-vernier), the central line and one of the flanking lines are offset in the same direction and add up. Figure adapted from Drissi-Daoudi et al (2019) .…”
Section: Introductionmentioning
confidence: 99%
“…This model argued that our brain does not collect information only at certain time points like a camera; instead, information is unconsciously integrated over an extended period of time preceding discrete conscious percepts. The two-stage discrete model has been supported by studies of long-lasting postdictive effects in a variety of paradigms ( Drissi-Daoudi, Doerig, & Herzog, 2019 ; Sergent et. al., 2013 ; Sun et al, 2017 ).…”
Section: Discussionmentioning
confidence: 99%