What's the brain up to during lucid dreaming?

Publicly released:
International
Image by StockSnap from Pixabay
Image by StockSnap from Pixabay

We might be a step closer to understanding how lucid dreaming works, thanks to international researchers who used a combination of brain activity and eye movement monitoring to identify some of the distinct brain activity patterns that occur during lucid dreaming. Brought to widespread popularity by the film Inception, lucid dreaming is a surreal phenomenon in which people are consciously aware that they are in a dream and can attempt to influence the events of that dream.  The researchers say that their research opens the door to a deeper understanding of lucid dreaming as an intricate state of consciousness by pointing to the possibility that conscious experience can arise from within sleep itself.

Media release

From: Society for Neuroscience

Advancing understanding of lucid dreaming in humans

Researchers shed light on the neural underpinnings of lucid dreaming using a large sample size.

Lucid dreaming is a surreal phenomenon in which people are consciously aware that they are in a dream. Çağatay Demirel, from Donders Center for Cognitive Neuroimaging, Radboud University Medical Center, and colleagues shed light on the neural correlates of lucid dreaming in their study.  
The researchers used a rigorous processing pipeline as they collected and assembled data from multiple labs to create what is, according to the authors, the largest sample size to date for this field of research. Comparisons of brain activity during lucid dreaming, rapid eye movement sleep, and wakefulness revealed distinct activity patterns for lucid dreaming. These unique patterns reflect shifts in brain region activation and how brain regions communicate that may be linked to changes in perception, memory processing, self-awareness, and cognitive control. According to Demirel, “This research opens the door to a deeper understanding of lucid dreaming as an intricate state of consciousness by pointing to the possibility that conscious experience can arise from within sleep itself. This work offers a perspective that could challenge the traditional binary view of sleep and wakefulness in future research.”

Journal/
conference:
eNeuro
Research:Paper
Organisation/s: Radboud University Medical Centre, The Netherlands
Funder: This work was supported by grant no 3013077 (Vidi Dresler). We are grateful for all students and assistants involved in spending overnights and earliest mornings to help provide the database for this study and make this project a reality. We also thank Olivia Brunette, Mahdad Jafarzadeh Esfahani, Pedro Reis Oliveira and Teresa Campillo-Ferrer for their support in data collection & sleep scoring.
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