Article (Scientific journals)
Frequent lucid dreaming associated with increased functional connectivity between frontopolar cortex and temporoparietal association areas.
Baird, Benjamin; Castelnovo, Anna; Gosseries, Olivia et al.
2018In Scientific Reports, 8 (1), p. 17798
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Abstract :
[en] Humans typically lack awareness that they are dreaming while dreaming. However, at times a remarkable exception occurs and reflective consciousness can be regained while dreaming, referred to as lucid dreaming. While most individuals experience lucid dreams rarely there is substantial variance in lucid dream frequency. The neurobiological basis of lucid dreaming is unknown, but evidence points to involvement of anterior prefrontal cortex (aPFC) and parietal cortex. This study evaluated the neuroanatomical/neurofunctional correlates of frequent lucid dreams and specifically whether functional connectivity of aPFC is associated with frequent lucid dreams. We analyzed structural and functional magnetic resonance imaging from an exceptional sample of fourteen individuals who reported >/=3 lucid dreams/week and a control group matched on age, gender and dream recall that reported </=1 lucid dream/year. Compared to controls, the frequent lucid dream group showed significantly increased resting-state functional connectivity between left aPFC and bilateral angular gyrus, bilateral middle temporal gyrus and right inferior frontal gyrus, and higher node degree and strength in left aPFC. In contrast, no significant differences in brain structure were observed. Our results suggest that frequent lucid dreaming is associated with increased functional connectivity between aPFC and temporoparietal association areas, regions normally deactivated during sleep.
Disciplines :
Neurosciences & behavior
Author, co-author :
Baird, Benjamin
Castelnovo, Anna
Gosseries, Olivia  ;  Université de Liège - ULiège > Consciousness-Coma Science Group
Tononi, Giulio
Language :
English
Title :
Frequent lucid dreaming associated with increased functional connectivity between frontopolar cortex and temporoparietal association areas.
Publication date :
2018
Journal title :
Scientific Reports
eISSN :
2045-2322
Publisher :
Nature Publishing Group, London, United Kingdom
Volume :
8
Issue :
1
Pages :
17798
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 22 August 2019

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