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Cognitive and emotional processes during dreaming: a neuroimaging view.

Martin Desseilles, Thien Thanh Dang‐Vu, Virginie Sterpenich, Sophie Schwartz

Consciousness and Cognition December 2011 DOI: 10.1016/j.concog.2010.10.005 (opens in new tab)

Study at a glance

AI-extracted from the abstract
Characteristics Theoretical or philosophical paper Peer reviewed
Topics Dreaming
Key points The authors propose that the heterogeneous regional brain activity pattern characteristic of REM sleep explains many typical dream features, and that specific dream characteristics reciprocally suggest activation of selective brain regions during sleep. They argue that integrating neuroimaging data on sleep, mental imagery, and dream content is critical for models of dreaming and supports an implication of sleep and dreaming in emotional regulation.

Abstract

Dream is a state of consciousness characterized by internally-generated sensory, cognitive and emotional experiences occurring during sleep. Dream reports tend to be particularly abundant, with complex, emotional, and perceptually vivid experiences after awakenings from rapid eye movement (REM) sleep. This is why our current knowledge of the cerebral correlates of dreaming, mainly derives from studies of REM sleep. Neuroimaging results show that REM sleep is characterized by a specific pattern of regional brain activity. We demonstrate that this heterogeneous distribution of brain activity during sleep explains many typical features in dreams. Reciprocally, specific dream characteristics suggest the activation of selective brain regions during sleep. Such an integration of neuroimaging data of human sleep, mental imagery, and the content of dreams is critical for current models of dreaming; it also provides neurobiological support for an implication of sleep and dreaming in some important functions such as emotional regulation.

Comparable studies

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