Dreaming and the brain: from phenomenology to neurophysiology

Yuval Nir*, Giulio Tononi

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

386 Scopus citations


Dreams are a remarkable experiment in psychology and neuroscience, conducted every night in every sleeping person. They show that the human brain, disconnected from the environment, can generate an entire world of conscious experiences by itself. Content analysis and developmental studies have promoted understanding of dream phenomenology. In parallel, brain lesion studies, functional imaging and neurophysiology have advanced current knowledge of the neural basis of dreaming. It is now possible to start integrating these two strands of research to address fundamental questions that dreams pose for cognitive neuroscience: how conscious experiences in sleep relate to underlying brain activity; why the dreamer is largely disconnected from the environment; and whether dreaming is more closely related to mental imagery or to perception.

Original languageEnglish
Pages (from-to)88-100
Number of pages13
JournalTrends in Cognitive Sciences
Issue number2
StatePublished - Feb 2010
Externally publishedYes


FundersFunder number
Brainpower for Israel Fund
National Institutes of HealthDP1 OD000579
National Institute of Mental HealthP20MH077967


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