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Articles, Behavioral/Cognitive

Metacognitive Mechanisms Underlying Lucid Dreaming

Elisa Filevich, Martin Dresler, Timothy R. Brick and Simone Kühn
Journal of Neuroscience 21 January 2015, 35 (3) 1082-1088; DOI: https://doi.org/10.1523/JNEUROSCI.3342-14.2015
Elisa Filevich
1Center for Lifespan Psychology, Max Planck Institute for Human Development, 14195 Berlin, Germany,
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Martin Dresler
2Radboud University Nijmegen Medical Centre, Donders Institute for Brain, Cognition and Behaviour, 6525 EZ Nijmegen, The Netherlands and
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Timothy R. Brick
1Center for Lifespan Psychology, Max Planck Institute for Human Development, 14195 Berlin, Germany,
3Department of Human Development and Family Studies, Pennsylvania State University, University Park, Pennsylvania
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Simone Kühn
1Center for Lifespan Psychology, Max Planck Institute for Human Development, 14195 Berlin, Germany,
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Abstract

Lucid dreaming is a state of awareness that one is dreaming, without leaving the sleep state. Dream reports show that self-reflection and volitional control are more pronounced in lucid compared with nonlucid dreams. Mostly on these grounds, lucid dreaming has been associated with metacognition. However, the link to lucid dreaming at the neural level has not yet been explored. We sought for relationships between the neural correlates of lucid dreaming and thought monitoring.

Human participants completed a questionnaire assessing lucid dreaming ability, and underwent structural and functional MRI. We split participants based on their reported dream lucidity. Participants in the high-lucidity group showed greater gray matter volume in the frontopolar cortex (BA9/10) compared with those in the low-lucidity group. Further, differences in brain structure were mirrored by differences in brain function. The BA9/10 regions identified through structural analyses showed increases in blood oxygen level-dependent signal during thought monitoring in both groups, and more strongly in the high-lucidity group.

Our results reveal shared neural systems between lucid dreaming and metacognitive function, in particular in the domain of thought monitoring. This finding contributes to our understanding of the mechanisms enabling higher-order consciousness in dreams.

  • BA10
  • brain structure
  • introspection
  • lucid dreaming
  • metacognition
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The Journal of Neuroscience: 35 (3)
Journal of Neuroscience
Vol. 35, Issue 3
21 Jan 2015
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Metacognitive Mechanisms Underlying Lucid Dreaming
Elisa Filevich, Martin Dresler, Timothy R. Brick, Simone Kühn
Journal of Neuroscience 21 January 2015, 35 (3) 1082-1088; DOI: 10.1523/JNEUROSCI.3342-14.2015

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Metacognitive Mechanisms Underlying Lucid Dreaming
Elisa Filevich, Martin Dresler, Timothy R. Brick, Simone Kühn
Journal of Neuroscience 21 January 2015, 35 (3) 1082-1088; DOI: 10.1523/JNEUROSCI.3342-14.2015
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Keywords

  • BA10
  • brain structure
  • introspection
  • lucid dreaming
  • metacognition

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