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Neurobiology and clinical implications of lucid dreaming

Sérgio Mota-Rolim, John Fontenele Araújo

Medical Hypotheses July 6, 2013 DOI: 10.1016/j.mehy.2013.04.049 (opens in new tab)

Study at a glance

AI-extracted from the abstract
Characteristics Theoretical or philosophical paper Peer reviewed
Topics Lucid dreaming Dreaming
Keywords Psychosis Frontal lobe Consciousness Cognitive psychology
Citations 50
Key points Proposes that lucid dreaming is associated with increased frontal activity during REMS and that psychosis and lucid dreaming are opposite phenomena.

Abstract

Several lines of evidence converge to the idea that rapid eye movement sleep (REMS) is a good model to foster our understanding of psychosis. Both REMS and psychosis course with internally generated perceptions and lack of rational judgment, which is attributed to a hyperlimbic activity along with hypofrontality. Interestingly, some individuals can become aware of dreaming during REMS, a particular experience known as lucid dreaming (LD), whose neurobiological basis is still controversial. Since the frontal lobe plays a role in self-consciousness, working memory and attention, here we hypothesize that LD is associated with increased frontal activity during REMS. A possible way to test this hypothesis is to check whether transcranial magnetic or electric stimulation of the frontal region during REMS triggers LD. We further suggest that psychosis and LD are opposite phenomena: LD as a physiological awakening while dreaming due to frontal activity, and psychosis as a pathological intrusion of dream features during wake state due to hypofrontality. We further suggest that LD research may have three main clinical implications. First, LD could be important to the study of consciousness, including its pathologies and other altered states. Second, LD could be used as a therapy for recurrent nightmares, a common symptom of depression and post-traumatic stress disorder. Finally, LD may allow for motor imagery during dreaming with possible improvement of physical rehabilitation. In all, we believe that LD research may clarify multiple aspects of brain functioning in its physiological, altered and pathological states.

Comparable studies

Other theoretical and historical papers on lucid dreaming, most cited first.

Study Year Design Participants
Varieties of Lucid Dreaming Experience 2000 Theoretical or philosophical paper
The Neurobiology of Consciousness: Lucid Dreaming Wakes Up 2009 Theoretical or philosophical paper
What I make up when I wake up: anti-experience views and narrative fabrication of dreams 2013 Theoretical or philosophical paper
New perspectives for the study of lucid dreaming: From brain stimulation to philosophical theories of self-consciousness 2010 Theoretical or philosophical paper
Lucid dreaming: Evidence and methodology 2000 Theoretical or philosophical paper

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