The attentional blink unveils the interplay between conscious perception,spatial attention and working memory encoding |
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| Affiliation: | 1. School of Psychological Sciences, Tel Aviv University, Israel;2. Psychologische Hochschule Berlin (PHB), Berlin, Germany;3. Sagol School of Neuroscience, Tel Aviv University, Israel;1. Department of Experimental and Applied Psychology, Institute for Brain and Behavior Amsterdam, Vrije Universiteit Amsterdam, The Netherlands;2. Experimental Psychology, Helmholtz Institute, Utrecht University, The Netherlands;1. University of Regina, Canada;2. Hokkaido University, Japan;1. Department of Psychology, Humboldt-Universität zu Berlin, Germany;2. Berlin School of Mind and Brain, Germany;1. Key Laboratory of Modern Teaching Technology, Ministry of Education, Shaanxi Normal University, Xi’an, China;2. School of Psychology, Shaanxi Normal University, Xi’an, China;3. Collaborative Innovation Center of Assessment Towards Basic Education Quality, Beijing Normal University, Beijing, China;1. School of Psychological Sciences, Tel Aviv University, Israel;2. Department of Psychology, The Ohio State University, United States;3. Sagol School of Neuroscience, Tel Aviv University, Israel |
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| Abstract: | Our ability to perceive two events in close temporal succession is severely limited, a phenomenon known as the attentional blink. While the blink has served as a popular tool to prevent conscious perception, there is less research on its causes, and in particular on the role of conscious perception of the first event in triggering it. In three experiments, we disentangled the roles of spatial attention, conscious perception and working memory (WM) in causing the blink. We show that while allocating spatial attention to T1 is neither necessary nor sufficient for eliciting a blink, consciously perceiving it is necessary but not sufficient. When T1 was task irrelevant, consciously perceiving it triggered a blink only when it matched the attentional set for T2. We conclude that consciously perceiving a task-relevant event causes the blink, possibly because it triggers encoding of this event into WM. We discuss the implications of these findings for the relationship between spatial attention, conscious perception and WM, as well as for the distinction between access and phenomenal consciousness. |
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| Keywords: | Conscious perception Attentional blink Attentional capture Spatial attention Awareness Consciousness Working memory Fragile memory Phenomenal consciousness |
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